DKS MD200 User manual

Radeberger Straße 21 –D-01900 Großröhrsdorf
[e-mail]
https://www.dks-engineering.com
Tel.: [phone]
User manual
MD200 DATA
RECORDER
•Firmware: v.3.40 (b1) or higher
•Loggy Soft: v.1.10.0 or higher
•S-Toolkit: v.2.1.0 or higher
Read the user's manual carefully before starting to use the unit or software.
Producer reserves the right to implement changes without prior notice.
2018.03.05 MD200 DATA RECORDER_Iv.1.01.003
S-Toolkit
Loggy Soft

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CONTENTS
I. USER MANUAL FOR DATA RECORDER ..................................................................... 4
1. BASIC REQUIREMENTS AND USER SAFETY...............................................................................................4
2. GENERAL CHARACTERISTICS........................................................................................................................5
3. TECHNICAL DATA............................................................................................................................................... 7
4. DEVICE INSTALLATION....................................................................................................................................11
4.1. UNPACKING...............................................................................................................................................11
4.2. ASSEMBLY.................................................................................................................................................12
4.3. CONNECTION METHOD.........................................................................................................................14
4.3.1. Connections of current type inputs ( U/I version )........................................................................18
4.3.2. Connections of temperature type inputs ( mV/RTD /TC version ).............................................20
4.4. MAINTENANCE.........................................................................................................................................21
5. FRONT PANEL DESCRIPTION........................................................................................................................22
6. PRINCIPLE OF OPERATION............................................................................................................................23
6.1. MEASUREMENT MODE..........................................................................................................................23
6.1.1. Measurement ranges definition of current inputs ( U/I version ).................................................23
6.1.2. Measurement ranges definition of RTD and TC inputs ( mV/RTD/TC version ).......................24
6.1.3. Recording momentary and averaged data....................................................................................25
6.2. MODES OF RESULT PRESENTATION.................................................................................................27
6.2.1. "Single channel" mode....................................................................................................................28
6.2.2. "Measurements list" mode...............................................................................................................29
6.2.3. ”Graph” mode....................................................................................................................................31
6.2.4. ”Channels List” mode.......................................................................................................................34
6.3. PRINCIPLE OF OUTPUTS OPERATION..............................................................................................36
6.3.1. Alarms.................................................................................................................................................36
6.3.2. Outputs control..................................................................................................................................37
6.3.3. Example of output control................................................................................................................39
7. DEVICE PROGRAMMING..................................................................................................................................40
7.1. PARAMETERS EDITION..........................................................................................................................42
7.1.1. Numeric and switching parameters ("LIST" - type)......................................................................42
7.1.2. Text parameters...............................................................................................................................43
7.1.3. “SLIDER” - type parameters............................................................................................................44
7.2. DESCRIPTION OF RESULTS PRESENTATION MODES MENU.....................................................45
7.2.1. "Measurements list options" menu.................................................................................................45
7.2.2. ”Graph options” menu ......................................................................................................................46
7.2.3. ”Channels list options” menu...........................................................................................................46
7.3. RESULTS PRESENTATION MODES MENU STRUCTURE...............................................................47
7.4. MAIN MENU DESCRIPTION...................................................................................................................48
7.4.1. ”Device information” menu...............................................................................................................48
7.4.2. ”Display options” menu.....................................................................................................................48
7.4.3. ”Logging setup” menu ......................................................................................................................49
7.4.4. ”Input settings” menu (common parameters)................................................................................52
7.4.5. ”Input settings” menu ( U/I version )...............................................................................................53
7.4.6. ”Input settings” menu ( mV/RTD/TC version )...............................................................................55
7.4.7. ”Outputs settings” menu...................................................................................................................57
7.4.8. ”Date & time settings” menu............................................................................................................58
7.4.9. ”RS485 port settings” menu.............................................................................................................58
7.4.10. ”Access setup” menu .....................................................................................................................60
7.4.11. ”USB options” menu.......................................................................................................................60
7.4.12. ”Language” parameter ...................................................................................................................62
7.5. MAIN MENU STRUCTURE......................................................................................................................63
8. DOWNLOADING DATA FROM DATA LOGGER...........................................................................................65
8.1. MODBUS (RS485) DATA DOWNLOAD.................................................................................................65
8.2. USB PC DATA DOWNLOAD...................................................................................................................65

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8.3. USB FLASH DRIVE (PENDRIVE) DATA DOWNLOAD....................................................................... 65
9. THE MODBUS PROTOCOL HANDLING........................................................................................................ 68
9.1. LIST OF REGISTERS............................................................................................................................... 68
9.2. TRANSMISSION ERRORS HANDLING................................................................................................ 73
9.3. EXAMPLES OF QUERY/ANSWER FRAMES....................................................................................... 74
10. USER'S SETTINGS LIST................................................................................................................................. 77
II. USER MANUAL FOR “LOGGY SOFT” ....................................................................... 84
1. GENERAL CHARACTERISTICS...................................................................................................................... 84
2. INSTALLATION AND STARTUP...................................................................................................................... 84
3. USING THE PROGRAM..................................................................................................................................... 87
3.1. „CURRENT MEASUREMENT” MENU ................................................................................................... 88
3.2. „REPORTS” MENU................................................................................................................................... 88
3.2.1. „Table” tab ......................................................................................................................................... 89
3.2.2. „Graph” tab........................................................................................................................................ 91
3.3. „CONFIGURATION” MENU..................................................................................................................... 96
3.3.1. „Devices” tab..................................................................................................................................... 97
3.3.2. „Groups” tab - group operations................................................................................................... 101
3.3.3. „Settings” tab................................................................................................................................... 103
3.4. LIST OF ERRORS AND FAULT DIAGNOSTICS................................................................................ 105
III. USER MANUAL FOR “S-TOOLKIT” ........................................................................106
1. GENERAL CHARACTERISTICS.................................................................................................................... 106
2. INSTALLATION AND STARTUP.................................................................................................................... 106
3. USING PROGRAM............................................................................................................................................ 107
3.1. “INPUTS SETTINGS” TAB..................................................................................................................... 108
3.2. “OUTPUTS SETTINGS” TAB................................................................................................................. 109
3.3. “LOGGING SETUP” TAB........................................................................................................................ 109
3.4. “INTERFACE OPTIONS” TAB.............................................................................................................. 110
3.5. “DEVICE INFORMATION” TAB............................................................................................................. 112
3.6. CONFIGURATION MODES................................................................................................................... 113
3.6.1. Individual configuration of channels............................................................................................. 113
3.6.2. Configuring selected channels...................................................................................................... 113
3.6.3. Configuring all channels ................................................................................................................ 113
3.7. UPDATING DEVICE FIRMWARE......................................................................................................... 114

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Explanation of symbols used in the manual:
- This symbol denotes especially important guidelines concerning the installation and
operation of the device. Not complying with the guidelines denoted by this symbol
may cause an accident, damage or equipment destruction.
IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS
RESPONSIBLE FOR POSSIBLE DAMAGES.
- This symbol denotes especially important characteristics of the unit.
Read any information regarding this symbol carefully
I. USER MANUAL FOR DATA RECORDER
1. BASIC REQUIREMENTS AND USER SAFETY
- The manufacturer is not responsible for any damages caused by
inappropriate installation, not maintaining the proper environmental
conditions and using the unit contrary to its assignment.
- Installation should be conducted by qualified personnel . During installation all
available safety requirements should be considered. The fitter is responsible for
executing the installation according to this manual, local safety and EMC
regulations.
- The unit must be properly set-up, according to the application. Incorrect
configuration can cause defective operation, which can lead to unit damage or an
accident.
- If the device is equipped with PE conntector, it should be connected to PE wire.
- If in the case of a unit malfunction there is a risk of a serious threat to the
safety of people or property additional, independent systems and solutions
to prevent such a threat must be used.
- The unit uses dangerous voltage that can cause a lethal accident. The unit
must be switched off and disconnected from the power supply prior to
starting installation of troubleshooting (in the case of malfunction).
- Neighbouring and connected equipment must meet the appropriate standards and
regulations concerning safety and be equipped with adequate overvoltage and
interference filters.
- Do not attempt to disassemble, repair or modify the unit yourself. The unit
has no user serviceable parts. Defective units must be disconnected and
submitted for repairs at an authorized service centre.
!
!

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2. GENERAL CHARACTERISTICS
•Multifunctional
Device is designed for recording, displaying current or averaged values and
presentation of technological parameter trends in graphic form.
•Large data storage capacity
The registered measurement results are recorded in the unit's memory. The capacity
of installed memory allows to store over 3 000 000 measurements (8 MB).
•Configurable measurement and control input
The unit has up to 8 channels (depending on version) of measurement signals and
one digital voltage input with programmable functions, e.g. control of the recording
process. Each signal can be freely configured and described. Depending on device
version all measured parameters must be available as current signals (0-20 mA or 4-
20 mA standards for U/I version), voltage signals (0-5 V, 1-5 V, 0-10 V. 2-10 V
standards for U/I version), K, S, J, T, N, R, B, E standards for mV/RTD/TC version
and 60 mV, 75 mV, 100 mV, 150 mVstandards for mV/RTD/TC version) or resistance
(Pt100, Pt500 or Pt1000 standards for mV/RTD/TC version). The internal analogue-
digital converter has a 12 or 16 bit resolution (depending on input type), which
provides high measurement resolution results. Additionally, individual alphanumeric
description (text) of each of the recorded channels is possible.
•Fast serial interface
The data logger is fitted with a galvanic isolation RS-485 interface, programmed with
ModBus RTU transmission protocol. This enables the connection of a number of
data recorders into the network, remote collecting of data from each unit and also
remote configuration. The application of the RS-485 interface instead of RS-232 is
due to the possibility of achieving high transmission speeds using transmission lines
of larger length than is possible with the RS-232 interface.
•Built-in USB Host interface (optional)
Optionally the device can be equipped with built-in USB Host interface, allowing for
data transfer to popular USB Flash Drives (PenDrives). This method allows for
significant simplification of unit application: it is no longer necessary to connect PC
and data logger via RS-485 interface.
Significant acceleration of data transfer is an additional advantage: data download
can be 10 times faster than using RS-485 interface.
WARNING! Device should work properly with any standard Flash Drives, but
manufacturer can not guarantee proper cooperation with non-standard devices, or
with devices developed after data logger release.
•Wide range of power supply voltage and external sensor power supply
The built-in pulse power supply allows power to be supplied to the unit with
85...230...260V AC/DC voltage or 16...24...35 AC, 19...24...50 DC voltage
(depending on version). Data logger (version with current inputs only) is equipped with
voltage output for powering the sensor and converters: 24V DC ±5% / max. 200mA.

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•Legible graphic display
The 128 x 64 points display with a backlight mounted on front of the unit is a big
advantage of the data recorder available in two colours. It allows the display of trend
graphs for each channel separately. Different operation modes provide the possibility
of selecting and adjusting the method of data presentation depending on the user's
requirements. Data recording intervals are selected by the user from the menu level.
Additionally, it is possible to set the display to show one current value measured for a
selected channel.
•Easy configuration
There are 6 keys on the front of the data recorder that enable the configuration ofthe
unit. The menu assisted with full text descriptions makes the unit configuration
process quite easy. However, due to a significant number of configured parameters
it is advised to use the attached configuration software for PCs.

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3. TECHNICAL DATA
Power supply voltage
(depending on version)
External Fuse (required)
Power consumption
Measurement inputs
(depending on version)
U/Iversion:
85...230...260 V AC/DC; 50 ÷ 60 Hz (separated)
or 19...24...50 V DC and 16 V...24...35 V AC
(separated)
T - type, max. 2 A
typically 7 VA; max. 12 VA
up to 8 inputs 0÷5 V, 1÷5 V, 0÷10 V, 2÷10 V, 0÷20 mA
or 4÷20 mA, common ground
mV/RTD/TCversion: up to 8 inputs Pt100, Pt500, Pt1000 (with manual
connection switch 2 or 3-wire), K, S, J, T, N, R, B, E,
0÷60 mV, 0÷75 mV, 0÷100 mV or 0÷150 mV
Digital input 1 input 24 V DC, galvanic isolation
power consumption: 7,5 mA / 24 V,
isolation: 1 min @ 500 V DC.
Digital outputs 2 electronic relays, NO type, 24 V AC / 35 V DC /
max. 200 mA, overload protection
Recording cycle 1 sec./ 2 sec. / 5 sec. / 10 sec. / 15 sec. / 20 sec. /
30 sec. /1 min. / 2 min. / 5 min. / 10 min. / 15 min. /
20 min. / 30 min. / 60 min.
Communication interface RS-485, 8N1 / Modbus RTU, galvanic isolated
1 min @ 500 V DC,1200 bit/s ÷ 115200 bit/s,
USB PC,
USB Host (in front or in the back of the device) support
for standard USB FlashDrive devices
Display
Backlight color LCD graphic display, 128 x 64 points, with backlight white or amber
Data memory 8 MB - version with USB Host interface
Protection level
version without USB interface IP 65 (front panel, optional version with mountong hole
sealing available)
IP 20 (housing and terminals)
version with USB interface IP 54 (front panel, after using waterproof cover)
IP 20 (housing and terminals)
Housing type
Housing material
Housing dimensions
Mounting hole
Assembly depth
Panel thickness
panel mounting
NORYL - GFN2S E1
96 x 96 x 100 mm
90,5 x 90,5 mm
102 mm
max. 5 mm

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Operating temperature
(depending on version)
Storage temperature
(depending on version)
Humidity
Altitude
0 °C to +50 °C
-20 °C to +50 °C
-10 °C to +70 °C
-20 °C to +70 °C
5 to 90% no condensation
up to 2000 meters above sea level
Screws tightening max. torque 0,5 Nm
Max. connection leads diameter 2,5mm2
Safety requirements according to: PN-EN 61010-1
installation category: II
pollution degree: 2
voltage in relation to ground: 300 V AC
insulation resistance: >20 M
insulation strength between power supply and
input/output terminal: 1 min. @ 2300 V (see Fig. 3.1)
EMC PN-EN 61326-1
Parameters of current type inputs (U/I version )
Input type 0÷5 V, 1÷5 V, 0÷10 V, 2÷10 V, 0÷20 mA or 4÷20
mA, common ground
Measurement range ± 9999 plus decimal point
Current measurement accuracy ± 0.1% @ 25 °C; ± one digit (for 0÷10 and 0÷20 mA
range)
Temperature stability 50 ppm / °C
Sampling rate 8 sps
Accepted prolonged input overload 20%
Voltage input resistance 60k
Current input resistance 100 
Sensor power supply output 24 V DC ± 5% / max. 50 mA,
Not insulated from measurement inputs
Current input protection 50 mA auto-reset fuse
Device described in this manual is available in two versions differed by
measurement inputs type. This manual contain following short descriptions:
U/I version - means device with type of inputs: voltage ( 0÷5 V, 1÷5 V, 0÷10 V,
2÷10 V)
current (0÷20 mA, 4÷20 mA)
mV/RTD/TC version - means device with type of inputs: TC (K, S, J, T, N, R, B, E)
RTD (Pt100 / Pt500 / Pt1000)
mV (0÷60 mV, 0÷75 mV,
0÷100 mV lub 0÷150 mV)

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Parameters of TC, RTD and mV type inputs ( mV/RTD/TC version )
Thermocouple input K, S, J, T, N, R, B, E
Measurement ranges
K:
-200 °C
÷
1370 °C
-328 °F
÷
2498 °F
S:
-50 °C
÷
1768 °C
-58 °F
÷
3214 °F
J:
-210 °C
÷
1200 °C
-346 °F
÷
2192 °F
T:
-200 °C
÷
400 °C
-328 °F
÷
752 °F
N:
-200 °C
÷
1300 °C
-328 °F
÷
2372 °F
R:
-50 °C
÷
1768 °C
-58 °F
÷
3214 °F
B:
250 °C
÷
1820 °C
482 °F
÷
3308 °F
E:
-200 °C
÷
1000 °C
-328 °F
÷
1832 °F
Measurement accuracy K, J, E: ± 0.1% @ 25 °C; ± one digit
N: ± 0.2% @ 25 °C; ± one digit
S, T, R, B: ± 0.5% @ 25 °C; ± one digit
Accuracy of cold ends temperature
compensation ± 1 °C
RTD input Pt100, Pt500 or Pt1000 (with manual connection
switch 2 or 3-wire)
Measurement range -100 °C ÷ +600 °C
-148 °F ÷ +1112 °F
Measurement accuracy ± 0.1% @ 25 °C; ± one digit
Measurement wires resistance max. 20 (every wire)
Voltage input (150 mV) 0÷60 mV, 0÷75 mV, 0÷100 mV, 0÷150 mV
Measurement accuracy ± 0.1% @ 25 °C; ± one digit (for 0÷150 mV range)
Input resistance > 1,5 M
Accepted prolonged input overload 20,00%
Temperature stability 50 ppm / °C
Display range -999 ÷ 9999 (for RTD mode –see above)
Common ground

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Sampling rate depends on available number of inputs in the device and selected type
of input:
RTD
TC
mV
1 channel
c.a. 500 ms
c.a. 250 ms
c.a. 250 ms
2 channels
c.a. 1 s
c.a. 400 ms
c.a. 400 ms
4 channels
c.a. 1,4 s
c.a. 600 ms
c.a. 600 ms
8 channels
c.a. 2,6 s
c.a. 1 s
c.a. 1 s
Tab. 3.1. Sampling rate in relation to number and selected type of input
•
Cables connected to RTD inputs can not be longer than 30 meters and
must be laid completely in building.
•
When 2-wire connection method is used, the wires should be as short
as possible.
•
When 3-wire connection method is used, the wires should be even.
Software (Windows environment)
•S-Toolkit, PC software for data logger easy configuring,
•Loggy Soft, PC software for moving, reporting, archiving and displaying recorded data.
Carefully check that the isolation used with the unit (Fig. 3.1) meets the expectations
and if necessary use appropriate measures of overvoltage protection. Additionally,
insure the appropriate air and surface insulation gaps when installing (Tab. 3.2).
Range of operating voltage
Air gap [mm]
Surface gap [mm]
Up to 50V RMS or DC
0,2
1,2
Up to 100V RMS or DC
0,2
1,4
Up to 150V RMS or DC
0,5
1,6
Up to 300V RMS or DC
1,5
3,0
Tab. 3.2. Minimal insulation gaps according to EN 61010-1
!
!
!
This is a class A unit. In a residential or a similar area it can cause radio
frequency interference. In such cases the user can be requested to use
appropriate preventive measures.

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Reinforced insulation 1min @ 2300V AC
Supplementary insulation 1min @ 1350V AC
Basic insulation 1min @ 500V AC
No insulation
Fig. 3.1. Schematic diagram showing the insulation between individual circuits of the unit.
4. DEVICE INSTALLATION
The unit has been designed and manufactured in a way assuring a high level of user safety
and resistance to interference occurring in a typical industrial environment. In order to take full
advantage of these characteristics installation of the unit must be conducted correctly and
according to the local regulations.
4.1. UNPACKING
After removing the unit from the protective packaging, check for transportation damage.
Any transportation damage must be immediately reported to the carrier. Also, write down the unit
serial number located on the housing and report the damage to the manufacturer.
External sensor
supply output
Measurement inputs
RS 485
interface
Internal circuits
Relay circuits
relay 1
relay 2
Power
supply
!
- Read the basic safety requirements on page 4 prior to starting the installation.
- Ensure that the power supply network voltage corresponds to the nominal
voltage stated on the unit’s identification label.
- The load must correspond to the requirements listed in the technical data.
- All installation works must be conducted with a disconnected power supply.
- Protecting the power supply connections against unauthorized persons must be
taken into consideration.

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13 mm
8 mm
8 mm
13 mm
1 mm
1 mm
max. 5 mm
4.2. ASSEMBLY
In order to install the unit, a 90,5 x 90,5 mm mounting hole (Fig. 4.1) must be prepared.
The thickness of the material of which the panel is made must not exceed 5mm. When
preparing the mounting hole take the grooves for catches located on both sides of the
housing into consideration (Fig. 4.1). Place the unit in the mounting hole inserting it
from the front side of the panel, and then fix it using the brackets (Fig. 4.3). The
minimum distances between the center points of multiple units - due to the thermal
and mechanical conditions of operation - are 115 mm x 115 mm (Fig. 4.5).
90,5 mm
Fig. 4.1. Recommended mounting hole dimensions
90,5 mm
!
- The unit is designed for mounting inside housings (control panel, switchboard)
inssuring appropriate protection against surges and interference. Metal housings
must be connected to ground in a way that complies with the governing regulations.
- Disconnect the power supply prior to starting assembly.
- Check the connections are wired correctly prior to switching the unit on.

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max. 5 mm
92 mm
Fig. 4.2. Allowable mounting hole dimensions
8
Fig. 4.3. Installing of brackets, and dimensions of connectors.
92 mm
removable terminals
12 mm 10 mm
mm
NOTE:
U/I version
- removable terminals
mV/RTD/TC version - immovable terminals
90,5 mm
8,5 mm
16 mm

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GOOD
back side
of device
connector
back side
of device
connector
Fig. 4.4. Connectors removing method
115 mm
Fig. 4.5. Minimum distances when assembly of a number of units
4.3. CONNECTION METHOD
Caution
WRONG
115 mm
!
- Installation should be conducted by qualified personnel. During installation all
available safety requirements should be considered. The fitter is responsible for
executing the installation according to this manual, local safety and EMC
regulations.

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- The unit is not equipped with an internal fuse or power supply circuit breaker.
Because of this an external time-delay cut-out fuse with a small nominal current value
must be used (recommended bipolar, max. 2A) and a power supply circuit- breaker
located near the unit. In the case of using a monopolar fuse it must be mounted on
the phase cable (L).
- The power supply network cable diameter must be selected in such a way that in
the case of a short circuit of the cable from the side of the unit the cable shall be
protected against destruction with an electrical installation fuse.
- Wiring must meet appropriate standards and local regulations and laws.
- In order to secure against accidental short circuit the connection cables must be
terminated with appropriate insulated cable tips.
- Tighten the clamping screws. The recommended tightening torque is 0.5 Nm.
Loose screws can cause fire or defective operation. Over tightening can lead to
damaging the connections inside the units and breaking the thread.
- The separable clamps should be inserted into appropriate connectors in the unit,
even if they are not used for any connections.
- Unused terminals (marked as n.c.) must not be used for connecting any
connecting cables (e.g. as bridges), because this can cause damage to the
equipment or electric shock.
- If the unit is equipped with housing, covers and sealing to, protecting against water
intrusion, pay special attention to their correct tightening or clamping. In the case of
any doubt consider using additional preventive measures (covers, roofing, seals,
etc.). Carelessly executed assembly can increase the risk of electric shock.
- After the installation is completed do not touch the unit’s connections when it is
switched on, because it carries the risk of electrical shock.
Due to possible significant interference in industrial installations appropriate measures
assuring correct operation of the unit must be applied. To avoid the unit of improper
indications keep recommendations listed below.
-Avoid running signal cables and transmission cables together with power supply cables and
cables controlling inductive loads (e.g. contactors). Such cables should cross at aright
angle.
-Contactor coils and inductive loads should be equipped with interference protection
systems, e.g. RC-type.
-Use of screened signal cables is recommended. Signal cable screens should be connected
to the earthing only at one of the ends of the screened cable.
-In the case of magnetically induced interference the use of twisted pair of signal cables is
recommended. Twisted pair (best if shielded) must be used with RS-485 serial transmission
connections.
-In the case of interference from the power supply side the use of appropriate interference
filters is recommended. Bear in mind that the connection between the filter and the unit
should be as short as possible and the metal housing of the filter must be connected to the
earth with the largest possible surface. The cables connected to the filter output must not
be run with cables with interference (e.g. circuits controlling relays or contactors).
!

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1
2
Connections of power supply voltage and measurement signals are executed using the
screw connections on the back of the unit’s housing.
Fig. 4.6. Method of cable insulation replacing and cable terminals dimensions
All connections must be made while power supply is disconnected !
N
Power supply
(depending on version) L
FUSE
Depending on version:
85...230...260 V AC/DC or
19...24...50 V DC; 16...24...35 V AC
Fig. 4.7. Connection of power supply
data+
data-
GND
n.c.
din+
din- Fig. 4.8. Connection of RS-485 transmission signals
!
6-7 mm
RS-232/485
Interface
10
11
12
7
8
9
RS-485
max. 2 mm

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USB PC
Fig. 4.9. Connection of USB transmission signals
data+
data-
GND
n.c.
din+
din-
external
supply
Fig. 4.10. Connection of digital input (depending on data recorder configuration)
12
11
10
9
8
7
recording enable
external switch
DIN+
24 V DC
DIN-
USB
Interface
RS-485

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4.3.1. Connections of current type inputs ( U/I version )
ER2
data+
data-
GND
n.c.
din+
din-
GND 36
35
1 34
I2 33
3 32
4 31
I5 30
6 29
7 28
GND
U1
U2
U3
U4
U5
U6
U7
(optional)
ER1
(optional)
I8
+24 V 27
+24 V 26
GND 25
U8
+24 V
+24 V
GND
2
Power supply 1
(depending on version)
Host USB (optional)
PE USB PC
Fig. 4.11. Terminals description ( U/I version )
RS-485
additional terminals (internally connected)
I
I
I
I
I
24
23
22
21
20
19
18
17
16
15
14
13
48
47
46
45
44
43
42
41
40
39
38
37
12
11
10
9
8
7
6
5
4
3

User manual –MD200 DATA RECORDER and cooperating
software
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30
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external
GND
connection
Inp. 8
0-10 V
Inp. 1
4-20 mA
Fig. 4.12. Connections of current signals of active sensors
(current signal 0-20 mA or 4-20 mA and ground)
to sensor
to sensor
external
sensor
supply
connection
external
GND
connection
Fig. 4.13. Connections of current signals of 2-wire sensors
(sensor power supply voltage and 4-20 mA signal)
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30
31
32
33
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14
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16
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additional terminals (internally connected)
additional terminals (internally connected)
. . . . .
. . . . .
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User manual - MD200 DATA RECORDER and cooperating
software
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-
+
4.3.2. Connections of temperature type inputs ( mV/RTD /TC version )
data+
data-
GND
n.c.
din+
din-
External
temperature
sensor
mV
TC
-
RTD
ER2
(optional)
ER1
(optional)
Inp. 8
Power supply
(depending on version)
Host USB (optional)
PE USB PC
Fig. 4.14. Terminals description ( mV/RTD/TC version )
a) TC
n.c. b) mV
Inp. 1 Inp. 1
Fig. 4.15. External connection for channel no 1:
a) TC sensors; b) mV sensors
The Pt100 / Pt500 / Pt1000 sensor can be connected to the device in typical 3-wire circuit
(Fig. 4.16 a) or 2-wire circuit (Fig. 4.16 b). Due to precision of measurement 3-wire circuit is
recommended.
If 2-wire circuit is used, the resistance of wiresshould be as small as possible, to avoid
of measurement errors. Measured value can be corrected (constant correction) using
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1
2
+
+
RS-485
Inp. 8
Inp. 7
Inp. 6
Inp. 5
Inp. 4
Inp. 3
Inp. 2
Inp. 1
+
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10
9
8
7
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5
4
3
n.c.
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