D2578-01-02 SEM210X User Guide
Page 4 of 4
2. Mount Transmitter into Head
The SEM210X is mounted using two holes, on standard 33 mm fixing centres and will fit a DIN standard termination head. The SEM210X
must be installed with adequate protection from moisture and corrosive atmospheres. Refer to "special conditions for safe use" section of
this user guide for information on enclosure IP rating. A centre hole is provided in the SEM210X case, this allows for sensor wire to enter
wiring section through the SEM210X body. Observe the "special conditions for safe use " instruction.
3. Sensor Connection
4. Install assembly
Care must be taken to ensure the SEM210X is located to ensure the ambient temperature does not exceed the specified operating
temperature (-40 to 85) °C
5. Wire (4 to 20) mA Loop
Ensure all other aspects of the installation comply with the requirements of this document, paying particular attention to the loop
barrier. The (4 to 20) mA loop is connected as follows:-
Barrier
+
-
dc Supply
Earth
Hazardous Area
Non Hazardous Area
EX
EX
4 Wire Resistance (RTD)
USB
2
1
3
4
5
6
3 Wire Resistance (RTD)
USB
2
1
3
4
5
6
2 Wire Resistance (RTD)
USB
2
1
3
4
5
6
mV
USB
2
1
3
4
5
6
+
-
Dual mV
USB
2
1
3
4
5
6
+
-
+
B
A
Dual RTD (2 wire)
No Redundancy
USB
2
1
3
4
5
6
A
B
Slide Wire
USB
2
1
3
4
5
6
Thermocouple
USB
2
1
3
4
5
6
-
+
Dual Thermocouple
USB
2
1
3
4
5
6
+
-
+
A
B
U
SB
2
1
3
4
5
6
2016-11
