Camax SMARTRAIL-X835-MID User manual

User Manual
2016 v1.0
SMARTRAIL X835-MID
DIN Rail Smart Energy Meter for Single and
Three Phase Electrical Systems
1 Introduction
This document provides operating, maintenance and
installation instructions. This unit measures and displays
the characteristics of Single Phase Two Wire (1P2W), Three
Phase Three Wire (3P3W) and Three Phase Four Wire (3P4W)
networks. The measuring parameters include Voltage (V),
Current (A), Frequency (Hz), Power (kW/KVA/KVAr), Power
Factor (PF), Imported, Exported and Total Energy (kWh/kVArh).
The unit also measures Maximum Demand Current and Power,
this is measured over preset periods of up to 60 minutes.
This particular model accommodates 1A or 5A Current
Transformers and can be configured to work with a wide range
of CTs. It also comes with a complete comms capability with
built in Pulse and RS485 Modbus RTU outputs, configuration
is password protected.
This unit can be powered from a separate auxiliary supply (AC
or DC). Alternatively, it can be powered from the monitored
supply by linking the voltage reference and neutral reference in
to terminals 5 & 6 (Please refer to wiring diagram).
1.1 Unit Characteristics
The SMARTRAIL X835 can measure and display:
• Phase to Neutral Voltage and THD% (Total Harmonic
Distortion) of all Phases
• Line Frequency
• Current, Maximum Demand Current and Current THD% of
all Phases
• Power, Maximum Power Demand and Power Factor
• Imported, Exported & Total Active Energy
• Imported, Exported & Total Reactive Energy
The unit has a Password-Protected set up menu for:
• Changing the Password
• System Configuration - 1P2W, 3P3W, 3P4W.
• Demand Interval Time
• Reset for Demand Measurements
• Pulsed Output Duration
1.2 Current Transformer Primary Current
This unit requires configuring to operate with the appropriate
curren transformer(s), the optional secondary currents are
1A or 5A. It is programmed by inputting the ratio (CT Primary
divided by the CT Secondary). It can be used on primary
currents up to 6000A.
On the MID Version, you can only program
the CT Rate ONCE.
1.3 RS485 Serial – Modbus RTU
This unit is compatible with remote monitoring through RS485
Modbus RTU. Set-up screens are provided for configuring the
RS485 port. Refers to section 4.8.
1.4 Pulsed Outputs
The SMARTRAIL X835 has Two Pulsed Outputs that can be
set for active (kWh) or reactive (kVArh) energy. Terminals 11 &
12 have a fixed output of 3200imp/kWh. Terminals 9 & 10 are
configurable within the setup menu.
2Start Up Screens
The first screen lights
up all display segments
and can be used as a
display check.
The second screen
indicates the firmware
installed in the unit and
its build number.
The interface performs a
self-test and indicates the
result if the test passes.
*After a short delay, the screen will display active
energy measurements.
3Measurements
The buttons operate as follows:
Selects the Voltage and Current display
screens. In Set-up Mode, this is the
“Left” (press) or “Escape” (hold 3sec)
button.
Select the Frequency and Power factor
display screens. In Set-up Mode, this is
the “Up” (press) button.
Select the Power display screens.
In Set-up Mode, this is the
“Down” (press) button.
Select the Energy display screens.
In Set-up mode, this is the
“Right” (press) or “Enter” (hold 3sec)
button.
3.1 Voltage and Current
Each successive press of the button selects a new parameter:
Phase to neutral voltages.
Current on each phase.
Phase to neutral voltage
THD%.
Current THD% for each
phase.
3.2 Frequency and Power Factor and Demand
Each successive press of the button selects a new range:
Frequency and Power
Factor (total).
Power Factor of each
phase.
Maximum Power Demand.
Maximum Current
Demand.
3.3 Power
Each successive press of the button select a new range:
Instantaneous Active
Power in kW.
Instantaneous Reactive
Power in kVAr.
Instantaneous Volt-Amps
in KVA.
Total kW, kVArh, kVA.
3.4 Energy Measurements
Each successive press of the button selects a new range:
Imported active energy
in kWh.
Exported active energy
in kWh.
Imported reactive energy
in kVArh.
Exported reactive energy
in kVArh.
Total active energy in kWh.
Total reactive energy in
kVArh.
Please note the register is 9999999.9 display over two lines.
4Set Up
To enter set up mode, hold the button for 3 seconds,
until the password screen appears.
The set up is password-
protected so you must
enter the correct password
(default ‘1000’) before
processing.
If an incorrect password
is entered, the display will
show:
PASS Err (Error)
To exit the set up menu, hold the for 3 seconds, the
measurement screen will display.
4.1 Set up Entry Methods
Some menu items, such as Password and CT, require a
four-digit number entry while others, such as supply system,
require selection from a number of menu options.
4.1.1 Menu Option Selection
1. Use the and buttons to scroll through the
different options of the set up menu.
2. Hold the button for 3 seconds to confirm your
selection.
3. If an item flashes, then it can be adjusted by the and
buttons.
4. Having selected an option from the current layer, hold the
button for 3 seconds to confirm your selection.
5. Having completed a parameter setting, hold the
button for 3 seconds to return to a higher menu level.
6. On completion of all setting-up, hold the button for 3
seconds, the measurement screen will then be restored.
4.1.2 Number Entry Procedure
When setting up the unit, some screens require the entering
of a number. In particular, on entry to the setting up section, a
password must be entered. Digits are set individually, from left
to right. The procedure is as follows:
1. The current digit to be set flashes and then can be adjusted
using the and buttons.
2. Press the button to more right to the next digit.
3. After setting the last digit, hold the button for 3
seconds to save your selection.
4.2 Change Password
Use the and
to choose the change
password option.
Hold the button to
enter the set up menu. The
first digit will start flashing.
Use and to set
the first digit and press
to move right. The
next digit will flash.
Repeat the procedure for
the remaining three digits.
After setting the last digit,
Hold the button to
save your selection.
Hold the button for 3 seconds to exit the set up menu.
4.3 DIT (Demand Integration Time)
This sets the period (in minutes) in which the Current and
Power readings are integrated for maximum demand
measurement. The options are off; 5; 10; 15; 30 or 60 minutes.
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Hold the button to
enter the menu option, the
current selection will flash.
Use the and
buttons to select the
required option.
Hold the button to
confirm the selection.
Hold the button for 3 seconds to exit the set up menu.
4.4 Supply System
The unit has a default setting of 3 Phase 4 Wire (3P4W).
Use this section to set the type of electrical system.
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Hold the button to
enter the menu option, the
current selection will flash.
Use the and
buttons to select the
required option.
Hold the button to confirm your adjustment. Hold the
button for 3 seconds to exit the set up menu.
4.5 CT Configuration
The CT options set the Secondary Current (CT2 5A or 1A) of
the Current Transformer (CT) that are used with the meter.
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Secondary CT Setting:
Hold the button to
set the CT secondary
option: 5A (default) or 1A.
Set the CT Ratio Value:
Hold the button to
enter the CT Ratio setting
screen. The range is from
0001 to 9999.
The CT Rate is the CT Primary divided by the CT Secondary.
For Example: 200/5A Current Transformers - 200÷5=40, so the
CT Rate would be 0040 and the CT2 would be 5.
On the MID Version, you can only program
the CT Rate ONCE.
4.5.1 CT Reversal
If the CT connections are incorrectly wired, they can be
reversed through the “Set System Continued” menu:
Use the and
buttons to select the
menu option. Hold the
button to view the
sub-menu.
This screen will display,
you can change “Forward”
to “Reverse” on each
individual CT connection.
Hold the button to
confirm your adjustment.
You can then move on to
IB or IC using the and
buttons.
Hold the button for 3 seconds to exit the set up menu.
4.6 PT
The PT option sets the Secondary Voltage (PT2 100-500V) of the
Voltage Transformer (PT) that may be connected to the meter.
Use the and
buttons to select the menu
option. The screen will
show the current setting.
The default value is 400V.
Secondary PT Setting:
Hold the button to
set the PT secondary
option: 100-500V.
Set the PT Ratio Value:
Hold the button to
enter the PT Ratio setting
screen. The range is from
0001 to 9999.
The PT Rate is the PT Primary divided by the PT Secondary.
For Example: Voltage Transformer - 11000÷110=100, so the
PT Rate would be 0100 and the PT2 would be 110.
4.7 Pulsed Output
Use this section to configure the Pulsed Output Type.
Units: kVArh (default); kWh.
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Hold the button to
enter the menu option, the
current selection will flash.
Use the and
buttons to select the
required option. Hold the
button to confirm the
selection.
Hold the button for 3 seconds to exit the set up menu.

4.7.1 Pulse Rate
You can configure the number of pulses to relate to a defined
amount of Total Energy.
Please note there are limitations that need to be factored in
when setting the pulsed output. This is based upon the relay
output only being able to pulse 2 times per second.
For example, If the CT is set to 500/5A on a Single Phase
network this would generate (500Ax230V=115,000 / 1000)
115kWh which is 31W per second. A setting of 10IMP/kWh
(10 pulses per kWH) would generate 3 pulses per second.
This will exceed the 2 pulse per second limitation.
Pulse settings: 1 Pulse per: 10W (0.01) / 100W (0.1) /
1000W/1kWh (1) / 10kWh (10) / 100kWh (100) /1000kWh
(1000)
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Hold the button to
enter the menu option, the
current selection will flash.
Use the and buttons to choose the desired pulse
rate. To save the new setting, hold the button for 3
seconds until the selection stops flashing.
4.7.2 Pulse Duration
The energy monitored can be active or reactive and the pulse
width can be selected as 200, 100 or 60mS.
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Hold the button to
enter the menu option, the
current selection will flash.
Use the and buttons to choose the desired pulse
rate. To save the new setting, hold the button for 3
seconds until the selection stops flashing.
4.8 Communication
The RS485 port can be used for communication using
Modbus RTU Protocol. To configure the Modbus settings,
such as Address and Baud Rate, this is also done within the
Password-protected set up menu.
4.8.1 RS485 Address
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Hold the button to
set the meter Address.
Range: 001(default) to 247.
Hold the button to
confirm the selection.
Use the and buttons to choose the necessary
number, then press the button to move along to the next
number. To save the new setting, hold the button for 3
seconds until the selection stops flashing.
4.8.2 Baud Rate
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Hold the button to
enter the menu option, the
current selection will flash.
Use the and
buttons to select the
required option.
On completion of the entry procedure, hold the button to
confirm the setting.
4.8.3 Parity
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Hold the button to
enter the menu option, the
current selection will flash.
Use the and
buttons to select the
required option.
Range: None (default), Odd
or Even.
On completion of the entry procedure, hold the button
for 3 seconds until the selection stops flashing.
4.8.4 Stop bits
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Hold the button to
enter the menu option, the
current selection will flash.
Use the and
buttons to select the
required option.
Range: 1 (default) or 2.
On completion of the entry procedure, hold the button
for 3 seconds until the selection stops flashing.
4.9 CLR
The meter provides a function to reset the maximum demand
value of current and power.
Use the and
buttons to select the menu
option. The screen will
show the current setting.
Hold the button to
enter the menu option, the
current selection will flash.
Hold the button to confirm the setting and press to
return to the main set up menu.
5Specifications
5.1 Measured Parameters
The unit can monitor and display the following parameters
of a Single Phase Two Wire (1P2W), Three Phase Three Wire
(3P3W) or Three Phase Four Wire (3P4W) system.
5.1.1 Voltage and Current
• Phase to Neutral Voltages 100-289V AC
(not for 3P3W supplies).
• Phase to Phase Voltages 173-500V AC
(3 Phase supplies only).
• Percentage Total Voltage Harmonic Distortion (V %THD) for
each Phase to Neutral (not for 3P3W supplies).
• Percentage Total Voltage Harmonic Distortion (V% THD)
between Phases (3 Phase supplies only).
• Current %THD for each Phase.
5.1.2 Power factor and Frequency and
Max. Demand
• Frequency in Hz
• Instantaneous power:
• Power 0-3600 MW
• Reactive power 0-3600 MVAr
• Volt-amps 0-3600 MVA
• Maximum Demand Power since last reset
• Power factor
• Maximum Neutral Demand Current, since the last reset (for
Three Phase supplies only)
5.1.3 Energy Measurements
• Imported/Exported active energy 0 to 9999999.9 kWh
• Imported/Exported reactive energy 0 to 9999999.9 kVArh
• Total active energy 0 to 9999999.9 kWh
• Total reactive energy 0 to 9999999.9 kVArh
5.2 Measured Inputs
Voltage inputs through 4-way fixed connector with 2.5mm²
stranded wire capacity. Single Phase Two Wire (1P2W), Three
Phase Three Wire (3P3W) or Three Phase Four Wire (3P4W)
unbalanced. Line frequency measured from L1 Voltage
or L3 Voltage. Three current inputs (six physical terminals) with
2.5mm² stranded wire capacity for connection of external CTs.
Nominal rated input current 5A or 1A AC RMS.
5.3 Accuracy
• Voltage 0·5% of range maximum
• Current 0·5% of nominal
• Frequency 0·2% of mid-frequency
• Power factor 1% of unity (0.01)
• Active power (W) ±1% of range maximum
• Reactive power (VAr) ±1% of range maximum
• Apparent power (VA) ±1% of range maximum
• Active energy (Wh) Class 1 IEC 62053-21
• Reactive energy (VARh) ±1% of range maximum
• Total harmonic distortion 1% up to 31st harmonic
• Response time to step input 1s, typical, to >99% of
final reading, at 50 Hz.
5.4 Auxiliary Supply
Two-way fixed connector with 2.5mm² stranded wire
capacity. 85-275V AC 50/60Hz ±10% or 120-380V DC ±20%.
Consumption <2W 10VA.
5.5 Interfaces for External Monitoring
Three interfaces are provided:
• RS485 communication channel that can be programmed
for Modbus RTU protocol
• Relay output indicating real-time measured energy.
(configurable)
• Pulse output 3200IMP/kWh (not configurable)
The Modbus configuration (baud rate etc.) and the pulse
relay output assignments (kW/kVArh) are configured through
the set-up screens.
5.5.1 Pulse Output
Opto-coupler with potential free SPST-NO Contact
(Contact rating 5-27V DC / Max current input: Imin 2mA and
Imax 27mA DC). The pulse output can be set to generate
pulses to represent kWh or kVArh.
Rate can be set to generate 1 pulse per:
0.01 = 10 Wh/VArh
0.1 = 100 Wh/VArh
1 = 1 kWh/kVArh
10 = 10 kWh/kVArh
100 = 100 kWh/kVArh
Pulse width 200/100/60 mS.
5.5.2 RS485 Output for Modbus RTU
For Modbus RTU, the following RS485 communication
parameters can be configured from the set-up menu:
Baud rate: 2400, 4800, 9600, 19200, 38400
Parity: none (default) / odd / even
Stop bits: 1 or 2
RS485 Network Address: 3 digit number - 001-247
Modbus™Word order Hi/Lo byte order is set automatically to
normal or reverse. It cannot be configured from the
set-up menu.
5.6 Reference Conditions of Influence
Quantities
Influence Quantities are variables that affect measurement
errors to a minor degree. Accuracy is verified under nominal
value (within the specified tolerance) of these conditions.
• Ambient temperature 23°C ±1°C
• Input waveform 50 or 60Hz ±2%
• Input waveform Sinusoidal (distortion
factor < 0·005)
• Auxiliary supply voltage Nominal ±1%
• Auxiliary supply frequency Nominal ±1%
• Auxiliary supply waveform (if AC) Sinusoidal (distortion
factor < 0·05)
• Magnetic field of external origin Terrestrial flux
5.7 Environment
• Operating temperature -25°C to +55°C*
• Storage temperature -40°C to +70°C*
• Relative humidity 0 to 95%,
non-condensing
• Altitude Up to 3000m
• Warm up time 1 minute
• Vibration 10Hz to 50Hz, IEC
60068-2-6, 2g
• Shock 30g in 3 planes
*Maximum operating and storage temperatures are in the
context of typical daily and seasonal variation.
5.8 Mechanics
• DIN rail dimensions 72 x 94.5 mm (WxH)
per DIN 43880
• Mounting DIN rail (DIN 43880)
• Sealing IP51 indoor
• Material Self-extinguishing UL
94 V-0
5.9 Declaration of Conformity
We, Camax UK Ltd, declare under our sole responsibility as
the distributor that the poly phase multifunction electrical
energy meter “SMARTRAIL X835-MID” correspond to the
production model described in the EC-type examination
certificate and to the requirements of the Directive 2004/22/
EC EC type examination certificate number 0120/SGS0150.
Identifcation number of the NB 0120.
We, Smart Process & Control LTD, declare under our sole
responsibility as the manufacturer that the poly phase
multifunction electrical energy meter “SMARTRAIL X835-MID”
correspond to the production model described in the EC-type
examination certificate and to the requirements of the Directive
2004/22/EC EC type examination certificate number 0120/
SGS0150. Identifcation number of the NB 0120.
6Dimensions
7Installation
7.1 Single phase two wires
9 10 11 12 13 14 15 16 17 18 19 20
2B A
1 2 3 4 5 6 78
L1
L2
L3
N
LNLN
9 10 11 12 13 14 15 16 17 18 19 20
2B A
1 2 3 4 5 6 78
N
LNLN
9 10 11 12 13 14 15 16 17 18 19 20
2B A
1 2 3 4 5 6 78
L1
L2
L3
LNLN
1
L1
1
1
7.2 Three phase three wires
9 10 11 12 13 14 15 16 17 18 19 20
2B A
1 2 3 4 5 6 78
L1
L2
L3
N
LNLN
9 10 11 12 13 14 15 16 17 18 19 20
2B A
1 2 3 4 5 6 78
N
LNLN
9 10 11 12 13 14 15 16 17 18 19 20
2B A
1 2 3 4 5 6 78
L1
L2
L3
LNLN
1
L1
11
7.3 Three phase four wires
9 10 11 12 13 14 15 16 17 18 19 20
2B A
1 2 3 4 5 6 78
L1
L2
L3
N
LNLN
9 10 11 12 13 14 15 16 17 18 19 20
2B A
1 2 3 4 5 6 78
N
LNLN
9 10 11 12 13 14 15 16 17 18 19 20
2B A
1 2 3 4 5 6 78
L1
L2
L3
LNLN
1
L1
1
1
Camax UK Ltd | Unit 8 Jubilee Court, Copgrove, Harrogate, North Yorkshire. HG3 3TB, UK
01423 340 000 | www.camax.co.uk | Specifications are subject to change without notice