Pulse Instruments EP2100 User manual

EP2100
Instruction Manual

Notice
© 2022 Pulse Instruments, Primordial Diagnostics (hereinafter “Pulse”)
3233 Mission Oaks Blvd Unit P, Camarillo, CA 93012 USA
[phone]
All Rights Reserved
Printed in USA
Proprietary Material
The information and descriptions contained herein are the property of Pulse. Such information and descriptions may
not be copied or reproduced by any means, or disseminated or distributed without the express prior written permission
of Pulse, 3233 Mission Oaks Blvd Unit P, Camarillo, CA 93012.
This document is for information purposes only and is subject to change without notice.
Statement of Limited Warranty
Pulse warrants equipment of its manufacture, and bearing its identification to be free from defects in workmanship and
material for a period of 24 months for electronics and 12 months for mechanical parts and electrodes from date of
delivery from the factory or authorized distributor under normal use and service and otherwise when such equipment is
used in accordance with instructions furnished by Pulse and for the purposes disclosed in writing at the time of
purchase, if any. Pulse’s liability under this warranty shall be limited to replacement or repair, F.O.B. Camarillo, CA
U.S.A. of any defective equipment or part which, having been returned to Pulse, transportation charges prepaid, has
been inspected and determined by Pulse to be defective. Replaceable elastomeric parts and glass components are
expendable and are not covered by any warranty.
THIS WARRANTY IS IN LIEU OF ANY OTHER WARRANTY, EITHER EXPRESS OR IMPLIED, AS TO DESCRIPTION,
QUALITY, MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE OR USE, OR ANY OTHER M ATTER.
180900 Rev. D May 2022
pulseinstruments.net

Contents
1.0 INTRODUCTION ....................................................................................................... 1
2.0 SPECIFICATIONS..................................................................................................... 2
2.1 Measurement Performance ....................................................................................... 2
2.2 Electrical: Input/Output .............................................................................................. 4
2.3 Intended Use ............................................................................................................. 6
2.4 Mechanical................................................................................................................. 6
2.5 Variables and their Limits........................................................................................... 7
3.0 UNPACKING & INSTALLATION............................................................................. 11
3.1 Unpacking the unit ................................................................................................... 11
3.2 Mounting the electronic enclosure ........................................................................... 11
3.3 Sensor Installation ................................................................................................... 12
3.4 IconDenitions ........................................................................................................ 19
3.5 Electrical installation ................................................................................................ 20
4.0 FUNCTION OVERVIEW.......................................................................................... 35
4.1 Front Panel .............................................................................................................. 35
4.2 Touchscreen ............................................................................................................ 35
4.3 Icons ....................................................................................................................... 35
4.4 Startup ..................................................................................................................... 37
4.5 Shut Down ............................................................................................................... 39
5.0 OPERATION using the touchscreen .................................................................... 40
5.1 Alarms Menu .......................................................................................................... 50
5.2 Inputs Menu ............................................................................................................ 50
5.2.1 Contacting Conductivity .................................................................................. 53
5.2.2 Electrodeless Conductivity .............................................................................. 54
5.2.3 Temperature .................................................................................................... 54
5.2.4 pH.................................................................................................................... 55
5.2.5 ORP ................................................................................................................ 55
5.2.6 Disinfection...................................................................................................... 56
5.2.7 Generic Sensor .............................................................................................. 56
5.2.8 Corrosion Input................................................................................................ 57
5.2.9 Corrosion Imbalance Input .............................................................................. 58
5.2.10 Transmitter Input and AI Monitor Input ............................................................ 59
5.2.11 Fluorometer Input............................................................................................ 60
5.2.12 Analog Flowmeter Input .................................................................................. 60
5.2.13 Analog Tank Level Input .................................................................................. 61
5.2.14 DI State ........................................................................................................... 61
5.2.15 Flow Meter, Contactor Type ............................................................................ 62
5.2.16 Flow Meter, Paddlewheel Type ....................................................................... 62
5.2.17 Feed Monitor ................................................................................................... 63
5.2.18 DI Counter Input.............................................................................................. 65
5.2.20 Virtual Input – Calculation ............................................................................... 67
5.2.21 Virtual Input – Redundant ............................................................................... 67

5.2.22 Virtual Input – Raw Value................................................................................ 68
5.2.23 Virtual Input - Disturbance............................................................................... 69
5.2.24 Remote Modbus Sensor Virtual Input.............................................................. 70
5.3 Outputs Menu ........................................................................................................ 71
5.3.1 Relay or Control Outputs, Any Control Mode .................................................. 71
5.3.2 RelayorControlOutputs,On/O󰀨ControlMode ............................................. 72
5.3.3 Relay or Control Outputs, Flow Timer Control Mode ...................................... 72
5.3.4 Relay or Control Outputs, Bleed and Feed Control Mode............................... 73
5.3.5 Relay or Control Outputs, Bleed then Feed Control Mode.............................. 73
5.3.6 Relay or Control Outputs, Percent Timer Control Mode.................................. 74
5.3.7 Relay or Control Outputs, Biocide Timer Control Mode .................................. 74
5.3.8 Relay or Control Outputs, Alarm Output Mode................................................ 75
5.3.9 Relay or Control Outputs, Time Proportional Control Mode............................ 76
5.3.10 Relay or Control Outputs, Intermittent Sampling Control Mode ...................... 76
5.3.11 Relay, Manual Mode ....................................................................................... 77
5.3.12 Relay or Control Outputs, Pulse Proportional Control Mode........................... 78
5.3.13 Relay or Control Outputs, PID Control Mode .................................................. 78
5.3.14 Relay or Control Outputs, Dual Set Point Mode.............................................. 81
5.3.15 Relay or Control Outputs, Timer Control Mode ............................................... 81
5.3.16 Relay or Control Outputs, Probe Wash Control Mode .................................... 82
5.3.17 Relay or Control Outputs, Spike Control Mode ............................................... 84
5.3.18 Relay or Control Outputs Output, Flow Proportional Mode............................. 85
5.3.19 Relay or Control Outputs, Target PPM Control Mode ..................................... 86
5.3.20 Relay, PPM by Volume Control Mode ............................................................ 87
5.3.21 Relay, Counter Timer Control Mode................................................................ 88
5.3.22RelayorControlOutputs,On/O󰀨DisturbanceControlMode ......................... 89
5.3.23 Relay or Control Outputs, Volumetric Blending Control Mode ........................ 90
5.3.24 Relay or Control Outputs, Dual Switch Control Mode ..................................... 90
5.3.25 Relay or Control Outputs, Boolean Logic Control Mode ................................. 91
5.3.26 Relay or Analog Output, Lag Control Mode .................................................... 92
5.3.27 Relay or Control Outputs, Flow Meter Ratio Control Mode............................. 98
5.3.28 Relay or Analog or Control Outputs, Disturbance Variable Control Mode....... 99
5.3.29 Analog or Control Outputs, Proportional Control Mode................................. 100
5.3.30 Analog or Control Outputs, Flow Proportional Mode..................................... 100
5.3.31 Analog or Control Outputs, PID Control Mode .............................................. 101
5.3.32 Analog Output, Manual Mode ....................................................................... 104
5.3.33 Analog Output, Retransmit Mode.................................................................. 104
5.4 CongurationMenu ............................................................................................. 104
5.4.1 Global Settings.............................................................................................. 104
5.4.2 Security Settings ........................................................................................... 105
5.4.3 Ethernet Settings........................................................................................... 105
5.4.4 Ethernet Details............................................................................................. 107
5.4.5 WiFi Settings ................................................................................................. 107
5.4.6 WiFi Details ................................................................................................... 108
5.4.7 Remote Communications (Modbus and BACnet) ......................................... 109
5.4.8 Email Report Settings ................................................................................... 109
5.4.9 Display Settings .............................................................................................111

e
5.4.10 File Utilities...................................................................................................111
5.4.11 Controller Details......................................................................................... 112
5.5 HOA Menu ......................................................................................................... 113
5.6 Graph Menu ....................................................................................................... 114
6.0 OPERATION using Ethernet ............................................................................. 115
6.1 Connecting to a LAN............................................................................................ 115
6.1.1 Using DHCP ................................................................................................ 115
6.1.2 UsingaxedIPAddress ............................................................................. 11 5
6.2 Connecting Directly to a Computer...................................................................... 115
6.3 Navigating the web pages ................................................................................... 116
6.4 Graphs Webpage................................................................................................. 116
6.5 Software Upgrade................................................................................................ 117
6.6 Notepad Menu ................................................................................................... 117
6.7 Remote Sensor Calibration ................................................................................. 117
7.0 MAINTENANCE .................................................................................................. 118
7.1 Electrode Cleaning ............................................................................................ 118
7.2 Replacing the Fuse Protecting Powered Relays ............................................ 119
7.3 Replacing the System Fuse (For model codes with relay option 8 or 9 only) ...... 119
8.0 TROUBLESHOOTING ........................................................................................ 119
8.1 Calibration Failure .......................................................................................... 119
8.1.1 Contacting Conductivity Sensors.................................................................. 119
8.1.2 Electrodeless Conductivity Sensors ............................................................. 120
8.1.3 pH Sensors................................................................................................... 120
8.1.4 ORP Sensors................................................................................................ 120
8.1.5 Disinfection Sensors..................................................................................... 120
8.1.6 Analog Inputs ............................................................................................... 121
8.1.7 Temperature Sensors ................................................................................... 121
8.1.8 Corrosion Inputs ........................................................................................... 121
8.2 Alarm Messages .................................................................................................. 121
8.3 Procedure for Evaluation of Conductivity Electrode ............................................ 126
8.4 Procedure for Evaluation of the pH/ORP Electrode ............................................ 127
8.5 Diagnostic Lights ................................................................................................. 127
9.0 Service Policy ................................................................................................... 129

1
1.0 INTRODUCTION
The Pulse EP2100 Series controllers offer a high level of flexibility in controlling water treatment
applications.
•There are four slots that accept a variety of Input/Output Modules, which provides unparalleled versatility. Dual sensor
input modules are available that are compatible with a variety of sensors (two sensors per module):
»Contacting conductivity
»Electrodeless conductivity
»pH
»ORP
»Any Pulse disinfection sensor
»Generic sensor (Ion Selective Electrodes or any type of sensor with a linear voltage output between -2 VDC
and 2 VDC)
•Three analog (4-20 mA) input modules with two, four or six input circuits is also available for use with 2,3 or
4-wire transmitters.
•Two other modules feature two or four isolated analog outputs that may be installed to retransmit sensor input signals
to a chart recorder, datalogger, PLC or other device. They may also be connected to valves, actuators or metering
pumps for linear proportional control or PID control.
•Another module provides two corrosion sensor inputs.
•Sixteen Virtual Inputs are configurable in the software, to either allow for calculations based on two real inputs, or to
allow to compare values from two sensors to provide redundancy.
•Eight or Twelve relay outputs may be set to a variety of control modes:
»On/Off set point control
»Time Proportional control
»Pulse Proportional control (when purchased with Pulse solid state opto outputs)
»Flow Proportional
»PID control (when purchased with Pulse solid state opto outputs)
»Lead/Lag control of up to 6 relays
»Dual set point
»Timer
»Bleed or Feed based on a Water Contactor or Paddlewheel flow meter input
»Feed and Bleed
»Feed and Bleed with Lockout
»Feed as a percent of Bleed
»Feed as a percent of elapsed time
»Daily, Weekly, 2-week or 4-week Biocide timers with pre-bleed and post-add lockout of bleed
»Intermittent sampling for boilers with proportional blowdown, controlling on a trapped sample
»Always on unless interlocked
»Probe Wash timer
»Spike to alternate set point on timed basis
»Target PPM
»PPM Volume
»Dual Switch
»Boolean Logic
»Diagnostic Alarm triggered by:
•High or Low sensor reading
•No Flow
•Relay output timeout
•Sensor error
Relays are available in several combinations of powered relays, dry contact relays, and pulse solid state opto relays.
Sixteen virtual Control Outputs are congurable in the software, using most of the possible relay or analog output control
algorithms, that may be used to interlock or activate actual control outputs.

2
Auxiliary DC power option boards, available with either 12 or 24 VDC, may be added to support high-wattage trans-
mitters or ancillary devices such as cell modems by supplying up to 10 watts of power.
The standard Ethernet feature provides remote access to the controller’s programming via a PC connected directly, via
a local area network, or via Fluent account management server. It also allows emailing of datalog files (in CSV
format, compatible with spreadsheets like Excel) and alarms, to up to eight email addresses. The Modbus TCP and
BACnet remote communications options allow communication with PC-based applications, HMI/SCADA programs,
Building Energy Management systems, Distributed Control Systems (DCS), as well as stand-alone HMI devices.
Two optional WiFi cards are available, one which allows simultaneous Ethernet and WiFi communications, and one
that increases security by disabling Ethernet when WiFi is enabled. The WiFi can be set to Infrastructure Mode to
provide all the Ethernet functions above, or Ad-Hoc Mode to allow access to the programming wirelessly.
Our USB features provide the ability to upgrade the software in the controller to the latest version. The Config file
feature allows you to save all the set points from a controller onto a USB flash disk, and then import them into another
controller, making the programming of multiple controllers fast and easy. The data logging feature allows you to save the
sensor readings and relay activation events to a USB flash disk.
2.0 SPECIFICATIONS
2.1 Measurement Performance
pH ORP/ISE
Range -2 to 16 pH units
Resolution 0.01 pH units
Accuracy ± 0.01% of reading
Range -1500 to 1500 mV
Resolution 0.1 mV
Accuracy ± 1 mV
Disinfection Sensors
Range (mV) -2000 to 1500 mV Range (ppm) 0-2 ppm to 0-20,000 ppm
Resolution (mV) 0.1 mV Resolution (ppm) Varies with range and slope
Accuracy (mV) ± 1 mV Accuracy (ppm) Varies with range and slope
100Ω RTD Temperature
Range 23 to 500°F (-5 to 260°C)
Resolution 0.1°F (0.1°C)
Accuracy ± 1% of Reading or ± 1°C, whichever is greater
1000Ω RTD Temperature
Range 23 to 500°F (-5 to 260°C)
Resolution 0.1°F (0.1°C)
Accuracy ± 1% of Reading or ± 0.3°C , whichever is greater
10k or 100k Thermistor Temperature
Range 23 to 194°F (-5 to 90°C)
Resolution 0.1°F (0.1°C)
Accuracy ± 1% of Reading or ± 0.3°C, whichever is greater

3
Analog (4-20 mA)
Range 0 to 22 mA
Resolution 0.01 mA
Accuracy ± 0.5% of reading
Corrosion
Range Resolution
0-2 mpy or mm/year 0.001 mpy or mm/year
0-20 mpy or mm/year 0.01 mpy or mm/year
0-200 mpy or mm/year 0.1 mpy or mm/year
0.01 Cell Contacting Conductivity
Range 0-300 µS/cm
Resolution 0.01 µS/cm, 0.0001 mS/cm, 0.001 mS/m, 0.0001 S/m, 0.01 ppm
Accuracy ± 1% of reading or 0.01 µS/cm, whichever is greater
0.1 Cell Contacting Conductivity
Range 0-3,000 µS/cm
Resolution 0.1 µS/cm, 0.0001 mS/cm, 0.01 mS/m, 0.0001 S/m, 0.1 ppm
Accuracy ± 1% of Reading or 0.1 µS/cm, whichever is greater
1.0 Cell Contacting Conductivity
Range 0-30,000 µS/cm
Resolution 1 µS/cm, 0.001 mS/cm, 0.1 mS/m, 0.0001 S/m, 1 ppm
Accuracy ± 1% of Reading or 1 µS/cm, whichever is greater
10.0 Cell Contacting Conductivity
Range 0-300,000 µS/cm
Resolution 10 µS/cm, 0.01 mS/cm, 1 mS/m, 0.001 S/m, 10 ppm
Accuracy ± 1% of Reading or 10 µS/cm, whichever is greater
Electrodeless Conductivity
Range Resolution Accuracy
500-12,000 µS/cm 1 µS/cm, 0.01 mS/cm, 0.1 mS/m, 0.001 S/m, 1 ppm 1% of reading
3,000-40,000 µS/cm 1 µS/cm, 0.01 mS/cm, 0.1 mS/m, 0.001 S/m, 1 ppm 1% of reading
10,000-150,000 µS/cm 10 µS/cm, 0.1 mS/cm, 1 mS/m, 0.01 S/m, 10 ppm 1% of reading
50,000-500,000 µS/cm 10 µS/cm, 0.1 mS/cm, 1 mS/m, 0.01 S/m, 10 ppm 1% of reading
200,000-2,000,000 µS/cm 100 µS/cm, 0.1 mS/cm, 1 mS/m, 0.1 S/m, 100 ppm 1% of reading

4
Temperature °C Range Multiplier Temperature °C Range Multiplier
0 181.3 80 43.5
10 139.9 90 39.2
15 124.2 100 35.7
20 111.1 110 32.8
25 100.0 120 30.4
30 90.6 130 28.5
35 82.5 140 26.9
40 75.5 150 25.5
50 64.3 160 24.4
60 55.6 170 23.6
70 48.9 180 22.9
Note: Conductivity ranges on page 2 apply at 25°C. At higher temperatures, the range is reduced per the range multiplier
chart.
2.2 Electrical: Input/Output
Input Power Model Code Dependent:
Relay Board Option 9: 100 to 240 VAC, 50 or 60 Hz, 20 A maximum
All other options: 100 to 240 VAC, 50 or 60 Hz, 15 A maximum
Optional Auxiliary DC Power 12V or 24V, 10 Watts, fully isolated with short circuit protection
Inputs
Sensor Input Signals (0 to 8 depending on model code):
Contacting Conductivity 0.01, 0.1, 1.0, or 10.0 cell constant OR
Electrodeless Conductivity OR
Disinfection OR
Amplied pH, ORP or ISE Requires a preamplified signal. ±5VDC power available for external
preamps.
Each sensor input card contains a temperature input
Temperature 100 or 1000 ohm RTD, 10K or 100K Thermistor
Analog (4-20 mA) Sensor Input (0 to 24
depending on model code):
2-wire loop powered or self-powered transmitters supported
3 or 4 –wire transmitters supported
Two to Six channels per board, depending on model
Channel 1, 130 ohm input resistance
Channel 2-6, 280 ohm input resistance
All channels fully isolated, input and power
Available Power:
One independent isolated 24 VDC ± 15% supply per channel
1.5 W maximum for each channel
Digital Input Signals (12 standard):
State-Type Digital Inputs Electrical: Optically isolated and providing an electrically isolated
12VDC power with a nominal 2.3mA current when the digital input
switch is closed
Typical response time: < 2 seconds
Devices supported: Any isolated dry contact (i.e. relay, reed switch)
Types: DI State

5
Low Speed Counter-Type Digital Inputs Electrical: Optically isolated and providing an electrically isolated
12VDC power with a nominal 2.3mA current when the digital input
switch is closed 0-20 Hz, 25 msec minimum width
Devices supported: Any device with isolated open drain, open collector,
transistor or reed switch
Types: Contacting Flowmeter, Flow Verify
High Speed Counter-Type Digital Inputs Electrical: Optically isolated and providing an electrically isolated
12VDC power with a nominal 2.3mA current when the digital input
switch is closed, 0-500 Hz, 1.00 msec minimum width. Minimum pulse
frequency for the rate to be displayed: 0.17 Hz
Devices supported: Any device with isolated open drain, open collector,
transistor or reed switch
Types: Paddlewheel Flowmeter, DI Counter
Outputs
Powered mechanical relays (0 to 12
depending on model code):
Pre-powered on circuit board switching line voltage. Two, three or four
relays are fused together (depending on model code) as one group, total
current for this group must not exceed 6 A (resistive), 1/8 HP (93 W)
Dry contact mechanical relays (0 to 12
depending on model code):
6 A (resistive), 1/8 HP (93 W)
Dry contact relays are not fuse protected
Pulse Outputs (0 to 12 depending on
model code):
Opto-isolated, Solid State Relay
200mA, 40 VDC Max.
VLOWMAX = 0.05V @ 18 mA
Accuracy (0-10 Hz): ± 0.5% of Pulse Rate, (10-20 Hz): ± 1.0%,
(20-40 Hz): ± 2.0%
4 - 20 mA (0 to 16 depending on model
code)
Internally powered, 15 VDC, Fully isolated
600 Ohm max resistive load
Resolution 0.0015% of span
Accuracy ± 0.5% of reading
Ethernet 10/100 802.3-2005
Auto MDIX support
Auto Negotiation
Wi-Fi Radio Protocol: IEEE 802.11 b/g/n
Security Protocols (Ad-Hoc Mode): WPA2-Personal
Security Protocols (Infrastructure Mode): WPA/WPA2-Personal, WEP
Certications and Compliance: FCC, IC TELEC, CE/ETSI, RoHS, Wi-Fi
Certied
NOTE on Wi-Fi:
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequen-
cy energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference
to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in
which case the user will be required to correct the interference at his own expense.
USB Connector: Type A receptacle
Speed: High speed (480 Mbit)
Power: 0.5 A maximum
Battery (Real-Time Clock) Model BR2032, 3-volt Lithium Coin Cell 20 mm diameter

6
Agency Approvals:
Safety UL 61010-1:2012 3rd Ed + Rev:2019
CSA C22.2 No. 61010-1:2012 3rd Ed. + U1; U2
IEC 61010-1:2010 3rd Ed. + A1:2016
EN 61010-1:2010 3rd Ed. + A1:2019
BS EN 61010-1:2010 + A1:2019
EMC IEC 61326-1:2020
EN 61326-1:2013
BS EN 61326-1:2013
Note:
For EN 61000-4-3 Radiated RF Immunity, the controller meets Performance Criteria B. In environments where
severe radio-frequency interference (RFI) is present, the pH electrode and the WiFi module can be aected. If this
occurs, the controller should be relocated away from the electromagnetic interference (EMI) source.
For EN 61000-4-6 Conducted RF Immunity, the controller meets Performance Criteria B. In environments where
severe radio-frequency interference (RFI) is present, the pH electrode and the contacting conductivity sensor can be
aected. If this occurs, the controller should be relocated away from the electromagnetic interference (EMI) source.
*Class A equipment: Equipment suitable for use in establishments other than domestic, and those directly connected
to a low voltage (100-240 VAC) power supply network which supplies buildings used for domestic purposes.
2.3 Intended Use
The Pulse EP2100 is a microprocessor-based measuring and control instrument used to measure water quality
parameters and other process variables in a wide range of water and wastewater treatment applications. Operating the
instrument in any way other than as described in these instructions may compromise the safety and function of the
measuring system and is therefore impermissible. Electrical connection work and maintenance work may only be
carried out by qualified personnel. The manufacturer is not liable for damage caused by improper or non-designated
use.
2.4 Mechanical
Enclosure Material Polycarbonate
Enclosure Rating NEMA 4X (IEC 60529 to IP66)
Dimensions 13.13” W x 14.43” H x 6.57” D (333 mm x 367 mm x 167 mm)
Display 7.0” TFT Color Display 1024x3 (RGB) x 600 pixels with
capacitive touchscreen
Operating Ambient Temp -4 to 122 °F (-20 to 50 °C)
Storage Temperature -4 to 176°F (-20 to 80°C)
Humidity 10 to 90% non-condensing
Mechanical (Sensors)(*see graph)
Sensor Pressure Temperature Materials
Process Connec-
tions
Electrodeless conductivity 0-150 psi (0-10 bar)*
CPVC: 32-158°F (0 to
70°C)*
PEEK: 32-190°F (0 to
88°C)
CPVC, FKM in-line o-ring
PEEK, 316 SS in-line adapter
1” NPTM submer-
sion
2” NPTM in-line
adapter
pH 0-100 psi (0-7 bar)* 50-158°F (10-70°C)* CPVC, Glass, FKM o-rings,
HDPE, Titanium rod, glass-lled
PP tee
1” NPTM submer-
sion
3/4” NPTF in-line
tee
ORP 0-100 psi (0-7bar)* 32-158°F (0-70°C)*
Contacting conductivity
(Condensate) 0-200 psi (0-14 bar) 32-248°F (0-120°C) 316SS, PEEK 3/4” NPTM
Contacting conductivity
Graphite (Cooling Tower) 0-150 psi (0-10 bar)* 32-158°F (0-70°C)* Graphite, Glass-lled PP, FKM o-ring 3/4” NPTM

7
Contacting conductivity SS
(Cooling Tower) 0-150 psi (0-10 bar)* 32-158°F (0-70°C)* 316SS, Glass-lled PP, FKM o-ring 3/4” NPTM
Contacting conductivity
(Boiler) 0-250 psi (0-17 bar) 32-401°F (0-205°C) 316SS, PEEK 3/4” NPTM
Contacting conductivity
(High Pressure Tower) 0-300 psi (0-21 bar)* 32-158°F (0-70°C)* 316SS, PEEK 3/4” NPTM
pH (High Pressure) 0-300 psi (0-21 bar)* 32-275°F (0-135°C)* Glass, Polymer, PTFE, 316SS,
FKM 1/2” NPTM gland
ORP (High Pressure) 0-300 psi (0-21 bar)* 32-275°F (0-135°C)* Platinum, Polymer, PTFE,
316SS, FKM 1/2” NPTM gland
Free Chlorine/Bromine 0-14.7 psi (0-1 bar) 32-113°F (0-45°C)
PVC, Polycarbonate,
silicone rubber, SS, PEEK, FKM,
Isoplast
1/4” NPTF Inlet
3/4” NPTF Outlet
Extended pH Range Free
Chlorine/Bromine
0-14.7 psi (0-1 bar) 32-113°F (0-45°C)
Total Chlorine 0-14.7 psi (0-1 bar) 32-113°F (0-45°C)
Chlorine Dioxide 0-14.7 psi (0-1 bar) 32-131°F (0-55°C)
Ozone 0-14.7 psi (0-1 bar) 32-131°F (0-55°C)
Peracetic Acid 0-14.7 psi (0-1 bar) 32-131°F (0-55°C)
Hydrogen Peroxide 0-14.7 psi (0-1 bar) 32-113°F (0-45°C)
Corrosion 0-150 psi (0-10 bar) 32-158°F (0-70°C)* Glass-lled PP, FKM o-ring 3/4” NPTM
Flow switch manifold 0-150 psi (0-10 bar) up to 100°F (38°C)*
0-50 psi (0-3 bar) at 140°F (60°C)
32-140°F (0-60°C) GFRPP, PVC, FKM, Isoplast 3/4” NPTF
Flow switch manifold
(High Pressure) 0-300 psi (0-21 bar)* 32-158°F (0-70°C)* Carbon steel, Brass, 316SS, FKM 3/4” NPTF
pH/ORP
LD2
Cond/Corrosion
HP Cond/Steel
HP pH/ORP/Steel
0
50
100
150
200
250
300
350
30 40 50 60 70 80 90
100 110 120 130 140 150 160 170 180
°F
Pressure (PSI) vs. Temperature (F)
PSI
-1.1 4.4 10.0 15.5 21.1 26.6 32.2 37.7 43.3 48.8 54.4 60.0 65.5 71.1 76.6 82.2
°C
Bar
24.1
20.7
17.2
13.8
10.3
6.9
3.4
HP pH/ORP/Steel
2.5 Variables and their Limits
Sensor Input Settings Low Limit High Limit
Alarm limits Low end of sensor range High end of sensor range
Input alarm dead band Low end of sensor range High end of sensor range
Cell constant (conductivity only) 0.01 10
Smoothing Factor 0% 90%
Temp Comp Factor (conductivity linear ATC only) 0% 20.000%
Installation Factor (Electrodeless conductivity only) 0.5 1.5
Cable length 0.1 3,000
PPM conversion factor (only if units = PPM) 0.001 10.000

8
Default temperature -20 500
Deadband Low end of sensor range High end of sensor range
Calibration Required Alarm 0 days 365 days
Sensor Slope (Generic sensor only) -1,000,000 1,000,000
Sensor Oset (Generic sensor only) -1,000,000 1,000,000
Low Range (Generic sensor, Virtual Input) -1,000,000 1,000,000
High Range (Generic sensor, Virtual Input) -1,000,000 1,000,000
Constant (Virtual Input only) 10% below Low Range setting 10% above High Range setting
Deviation Alarm (Virtual Input) 10% below Low Range setting 10% above High Range setting
4 mA value (Transmitter, AI Monitor analog input only) 0 100
20 mA value (Transmitter, AI Monitor analog input only) 0 100
Max Sensor Range (Fluorometer analog input only) 0 ppb 100,000 ppb
Dye/Product Ratio (Fluorometer analog input only) 0 ppb/ppm 100 ppb/ppm
Set Flow Total (Flowmeter analog input only) 0 1,000,000,000
Flowmeter Max (Flowmeter analog input only) 0 1,000,000
Input Filter (Flowmeter analog input only) 1 mA 21 mA
Totalizer Alarm (Flowmeter analog input only) 0 2,000,000,000
Min Disturbance (Disturbance Virtual Input only) Low end of sensor range High end of sensor range
Max Disturbance (Disturbance Virtual Input only) Low end of sensor range High end of sensor range
Value at Min Disturbance (Disturbance Virtual Input only) 0 100
Value at Max Disturbance (Disturbance Virtual Input only) 0 100
Stabilization Time (Corrosion only) 0 hours 999 hours
Electrode Alarm (Corrosion only) 0 days 365 days
Alloy Multiplier (Corrosion only) 0.2 5.0
Tank Capacity 0 1,000,000
Empty At 0 mA 21 mA
Full At 0 mA 21 mA
Digitalowmeterinputsettings Low Limit High Limit
Totalizer alarm 0 2,000,000,000
Volume/contact for units of Gallons or Liters 1 100,000
Volume/contact for units of m30.001 1,000
K Factor for units of Gallons or Liters 0.01 100,000
K Factor for units of m31 1,000,000
Paddlewheel rate alarm limits 0 High end of sensor range
Paddlewheel rate alarm deadband 0 High end of sensor range
Smoothing Factor 0% 90%
Set Flow Total 0 1,000,000,000
Feed Monitor Input Settings Low Limit High Limit
Totalizer Alarm 0 vol. units 1,000,000 vol. units
Set Flow Total 0 vol. units 1,000,000,000 vol. units
Flow Alarm Delay 00:10 Minutes 59:59 Minutes
Flow Alarm Clear 1 Contact 100,000 Contacts
Dead Band 0% 90%
Reprime Time 00:00 Minutes 59:59 Minutes
Volume/Contact 0.001 ml 1,000.000 ml
Smoothing Factor 0% 90%

9
Counter Input Settings Low Limit High Limit
DI Counter Rate Alarms 0 30,000
DI Counter Rate Deadband 0 30,000
Totalizer Alarm 0 2,000,000,000
Set Total 0 2,000,000,000
Units per Pulse 0.001 1,000
Smoothing Factor 0% 90%
Remote Modbus Input Settings Low Limit High Limit
Alarm Limits Low end of dened range High end of dened range
Deadband Low end of dened range High end of dened range
Low Range -1,000,000 1,000,000
High Range -1,000,000 1,000,000
Reply Timeout 1 second 15 seconds
Remote Register 0 65535
Update Period 00:01 MM:SS 59:59 MM:SS
Timeout Alarm Delay 00:10 MM:SS 59:59 MM:SS
Relay output settings Low Limit High Limit
Output Limit Time 1 second 86,400 seconds (0 = unlimited)
Hand Time Limit 1 second 86,400 seconds (0 = unlimited)
Daily Max Time 00:01 MM:SS 23:59 MM:SS (0 = unlimited)
Min Relay Cycle 0 seconds 300 seconds
Set Point Low end of sensor range High end of sensor range
Spike Set Point (Spike mode) Low end of sensor range High end of sensor range
Onset Time (Spike mode) 0 seconds 23:59:59 HH:MM:SS
Duty Cycle Period (On/O, Spike, Dual Setpoint modes) 0:00 minutes 59:59 minutes
Duty Cycle (On/O, Spike, Dual Setpoint modes) 0% 100%
On Delay Time (Manual, On/O, Dual Setpoint modes, Dual
Switch, Alarm modes, Boolean Logic)
0 seconds 23:59:59 HH:MM:SS
O Delay Time (Manual, On/O, Dual Setpoint modes,
Dual Switch, Alarm modes, Boolean Logic)
0 seconds 23:59:59 HH:MM:SS
Dead Band Low end of sensor range High end of sensor range
Feed duration (Flow Timer, Counter Timer mode) 0 seconds 86,400 seconds
Accumulator Volume (Flow Timer, Target PPM, PPM
Volume, Volumetric Blend, Flow Meter Ratio modes)
1 1,000,000
Accumulator Setpoint (Counter Timer mode) 1 1,000,000
Feed Percentage (Bleed then Feed mode) 0% 1000%
Feed Lockout Time Limit (Bleed & Feed, Bleed then Feed modes) 0 seconds 86,400 seconds
Prebleed To Conductivity (Biocide mode) 1 (0 = no prebleed) High end of sensor range
Prebleed Time (Biocide mode) 0 seconds 86,400 seconds
Bleed Lockout (Biocide mode) 0 seconds 86,400 seconds
Event duration (Biocide, Timer modes) 0 30,000
Proportional band (Time/Pulse Proportional mode,
Intermittent Sampling)
Low end of sensor range High end of sensor range
Sample period (Time Proportional mode) 0 seconds 3600 seconds
Sample Time (Intermittent Sampling mode) 0 seconds 3600 seconds
Hold Time (Probe Wash, Intermittent Sampling modes) 0 seconds 3600 seconds
Maximum Blowdown (Intermittent Sampling mode) 0 seconds 3600 seconds

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Wait Time (Intermittent Sampling mode) 0 seconds 86,400 seconds
Max Rate (Pulse Proportional, Pulse PID, Flow Prop modes) 10 pulses/minute 2400 pulses/minute
Minimum Output (Pulse Proportional, Pulse PID modes) 0% 100%
Maximum Output (Pulse Proportional, Pulse PID modes) 0% 100%
Gain (Pulse PID Standard mode) 0.001 1000.000
Integral Time (Pulse PID Standard mode) 0.001 seconds 1000.000 seconds
Derivative Time (Pulse PID Standard mode)us 0 seconds 1000.000 seconds
Proportional Gain (Pulse PID Parallel mode) 0.001 1000.000
Integral Gain (Pulse PID Parallel mode) 0.001 /second 1000.000 /second
Derivative Gain (Pulse PID Parallel mode) 0 seconds 1000.000 seconds
Input Minimum (Pulse PID modes) Low end of sensor range High end of sensor range
Input Maximum (Pulse PID modes) Low end of sensor range High end of sensor range
Wear Cycle Time (Lag mode) 10 seconds 23:59:59 HH:MM:SS
Delay Time (Lag mode) 0 seconds 23:59:59 HH:MM:SS
Target (Target PPM, PPM Volume modes) 0 ppm 1,000,000 ppm
Pump Capacity (Target PPM, PPM Volume modes) 0 gal/hour or l/hour 10,000 gal/hour or l/hour
Pump Setting (Target PPM, PPM Volume modes) 0% 100%
Specic Gravity (Target PPM, PPM Volume modes) 0 g/ml 9.999 g/ml
Blend Volume (Volumetric Blend mode) 1 1,000,000
Low Cycles Limit (Target PPM, PPM Volume mode) 0 cycles of concentration 100 cycles of concentration
Bleed Volume (Flow Meter Ratio mode) 1 1,000,000
Pump Capacity (Flow Prop mode) 0 gal/hour or l/hour 10,000 gal/hour or l/hour
Pump Setting (Flow Prop mode) 0% 100%
Specic Gravity (Flow Prop mode) 0 g/ml 9.999 g/ml
Target (Flow Prop mode) 0 ppm 1,000,000 ppm
Analog (4-20 mA) Output Settings Low Limit High Limit
4 mA Value (Retransmit mode) Low end of sensor range High end of sensor range
20 mA Value (Retransmit mode) Low end of sensor range High end of sensor range
Hand Output 0% 100%
Set Point (Proportional, PID modes) Low end of sensor range High end of sensor range
Proportional Band (Proportional mode) Low end of sensor range High end of sensor range
Minimum Output (Proportional, PID, Disturbance modes) 0% 100%
Maximum Output (Proportional, PID, Disturbance modes) 0% 100%
O Mode Output (Proportional, PID, Flow Prop,
Disturbance modes)
0 mA 21 mA
Error Output (not in Manual mode) 0 mA 21 mA
Hand Time Limit (not in Retransmit mode) 1 second 86,400 seconds (0 = unlimited)
Output Time Limit (Proportional, PID, Disturbance modes) 1 second 86,400 seconds (0 = unlimited)
Gain (PID, Standard mode) 0.001 1000.000
Integral Time (PID Standard mode) 0.001 seconds 1000.000 seconds
Derivative Time (PID Standard mode) 0 seconds 1000.000 seconds
Proportional Gain (PID Parallel mode) 0.001 1000.000
Integral Gain (PID Parallel mode) 0.001 /second 1000.000 /second
Derivative Gain (PID Parallel mode) 0 seconds 1000.000 seconds
Input Minimum (PID modes) Low end of sensor range High end of sensor range
Input Maximum (PID modes) Low end of sensor range High end of sensor range
Pump Capacity (Flow Prop mode) 0 gal/hour or l/hour 10,000 gal/hour or l/hour
Pump Setting (Flow Prop mode) 0% 100%

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Specic Gravity (Flow Prop mode) 0 g/ml 9.999 g/ml
Target (Flow Prop mode) 0 ppm 1,000,000 pm
Low Cycles Limit (Flow Proportional mode) 0 cycles of concentration 100 cycles of concentration
Congurationsettings Low Limit High Limit
Local Password 0000 9999
Log in Timeout 10 minutes 1440 minutes
Fluent update period 1 minute 1440 minutes
Fluent reply timeout 10 seconds 60 seconds
Alarm Delay 0:00 minutes 59:59 minutes
SMTP Port 0 65535
TCP Timeout 1 second 240 seconds
Auto Dim Time 0 seconds 23:59:59 HH:MM:SS
Device ID (BACnet) 1 4194302
Data Port (Modbus, BACnet) 1 65535
Ad-Hoc Time Limit 1 min. 1440 min.
Graph settings Low Limit High Limit
Low axis limit Low end of sensor range High end of sensor range
High axis limit Low end of sensor range High end of sensor range
3.0 UNPACKING & INSTALLATION
3.1 Unpacking the unit
Inspect the contents of the carton. Please notify the carrier immediately if there are any signs of damage to the controller or
its parts. Contact your distributor if any of the parts are missing. The carton should contain an EP2100 series controller
and an instruction manual. Any options or accessories will be incorporated as ordered.
3.2 Mounting the electronic enclosure
The controller is supplied with mounting holes on the enclosure. It should be wall mounted with the display at eye
level, on a vibration-free surface, utilizing all four mounting holes for maximum stability. Do not install the enclosure
in a location where it will be exposed to direct sunlight. Use M6 (1/4” diameter) fasteners that are appropriate for
the substrate material of the wall. The enclosure is NEMA 4X (IP66) rated. The maximum operating ambient tem-
perature is 122°F (50°C); this should be considered if installation is in a high temperature location. The enclosure
requires the following clearances:
Top: 2” (50 mm)
Left: 10” (254 mm)
Right: 4” (102 mm)
Bottom: 7” (178 mm)
EP2100

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3.3 Sensor Installation
Refer to the specic instructions supplied with the sensor being used, for detailed installation instructions.
General Guidelines
Locate the sensors where an active sample of water is available and where the sensors can easily be removed for
cleaning. Position the sensor such that air bubbles will not be trapped within the sensing area. Position the sensor
where sediment or oil will not accumulate within the sensing area.
In-Line Sensor Mounting
In-line mounted sensors must be situated so that the tee is always full and the sensors are never subjected to a
drop in water level resulting in dryness. Refer to Figure 1 for typical installation.
Tap o the discharge side of the recirculation pump to provide a minimum ow of 1 gallon per minute through
the ow switch manifold. The sample must ow into the bottom of the manifold in order to close the ow switch,
and return to a point of lower pressure in order to ensure ow. Install an isolation valve on both sides of the man-
ifold to stop ow for sensor maintenance.
IMPORTANT: To avoid cracking the female pipe threads on the supplied plumbing parts, use no more than 3
wraps of Teon tape and thread in the pipe FINGER tight plus 1/2 turn! Do not use pipe dope to seal the threads
of the ow switch because the clear plastic will crack!
Submersion Sensor Mounting
If the sensors are to be submersed in the process, mount them rmly to the tank, and protect the cable with
plastic pipe, sealed at the top with a cable gland, to prevent premature failure. Place the sensors in an area of good
solution movement.
Sensors should be located such that they respond rapidly to a well-mixed sample of the process water and the
treatment chemicals. If they are too close to the chemical injection point, they will see spikes in concentration
and cycle on and o too frequently. If they are too far away from the chemical injection point, they will respond
too slowly to the concentration changes, and you will overshoot the set point.
The contacting conductivity sensor should be placed as close to the controller as possible, to a maximum
distance of 250 ft. (76 m). Less than 25 ft. (8 m) is recommended. The cable must be shielded from background
electrical noise. Always route low voltage (sensor) signals with at least a 6” (15 cm) separation from AC voltage wiring.
The electrodeless conductivity sensor should be placed as close to the controller as possible, to a maximum
distance of 120 ft. (37 m). Less than 20 ft. (6 m) is recommended. The cable must be shielded from background
electrical noise. Always route low voltage (sensor) signals with at least a 6” (15 cm) separation from AC voltage
wiring. These sensors are aected by the geometry and conductivity of their surroundings, so either maintain 6
inches (15 cm) of sample around the sensor or ensure that any nearby conductive or non-conductive items are
consistently positioned. Do not install the sensor in the path of any electrical current that may be owing in the
solution, as this will shift the conductivity reading.
The amplied pH/ORP/ISE electrode should be placed as close to the controller as possible, to a maximum dis-
tance of 1000 feet (305 m) from the controller. A junction box and shielded cable are available to extend the stan-
dard 20 foot (6 m) length. pH and ORP electrodes must be installed such that the measuring surfaces will always
remain wet. A U-trap provided in the manifold design should achieve this, even if the sample ow stops. These
electrodes also must be installed with the measuring surfaces pointing down; that is 5 degrees above the horizontal,
at a minimum. The ow velocity past the sensor must be less than 10 ft./sec. (3 m/sec.)
The disinfection sensor should be placed as close to the controller as possible, to a maximum distance of 100
feet (30 m) from the controller. A junction box and shielded cable are available to extend the standard 20 foot (6
m) length. The sensor should be mounted such that the measuring surfaces will always stay wet. If the membrane
dries out, it will respond slowly to changing disinfectant values for 24 hours, and if dried out repeatedly, will fail
prematurely. The ow cell should be placed on the discharge side of a circulation pump or downhill from a grav-
ity feed. Flow into the cell must come from the bottom side that has the ¾” x ¼” NPT reducing bushing installed.
The reducing bushing provides the ow velocity required for accurate readings and must not be removed! A “U”
trap should be installed so that if the ow stops, the sensor is still immersed in the water. The outlet of the ow
cell must be plumbed to open atmosphere unless the system pressure is at or below 1 atmosphere. If the ow

13
HEAT
EXCHANGER
COOLING TOWER
METERING
PUMPS
Figure 1 Typical Installation – Cooling Tower

14
ACID BASE
SUBMERSION
ELECTRODE
pH
PROBE
AC POWER
FLOW OUTFLOW IN
Figure 2 Typical Installation – Submersion

15
ISOLATION
VALVE
(NORMALLY
OPEN)
RECIRCULATION
PUMP
ROTAMETER
30-100 LPH
PROCESS WATER
SAMPLE RETURN
1 ATMOSPHERE MAXIMUM
FLOW
SWITCH
SENSOR
FLOW CELL
FLOW
CONTROL
VALVE
SAMPLE
VALVE
Figure 3 Typical Installation – Disinfection Sensor