Properties
• 4 inputs for connecting HART eld devices, 4-wire transmitters (standard applications)
• Congurable input range: HART, 0 to 20 mA, 4 to 20 mA
• Resolution 12 bits + sign
• For external power supply of the HART eld device, see the notes in the eld device manual.
Note
If you connect up to four sensors to the electronic module, you must connect the "-"
measuring connections of the sensors one below the other or connect each with
equipotential bonding using wires. The wires must be arranged so that they are not liable to
interrupted.
If you connect up to 2 sensors to channel 0 and channel 2 (channel 1 and 3 unconnected),
no further measures are necessary.
Pin assignment
Table 14-5 Pin assignment of the 4 AI I 4WIRE HART
Pin assignment and view Remarks
$POOFDUJPOFYBNQMF
FHFRVJQPUFOUJBMCPOEJOHTUSJQ
$IBOOFM
.
.
.
.
....
4-wire transmitter 1
Channel 0: Terminals 1 and 2
4-wire transmitter 2
Channel 1: Terminals 5 and 6
4-wire transmitter 3
Channel 2: Terminals 9 and 10
4-wire transmitter 4
Channel 3: Terminals 13 and 14
M+: Input signal "+"
M-: Input signal "-"
Analog electronic modules
14.3 Analog electronics module 4 AI I 4WIRE HART
ET 200iSP
352 Operating Instructions, 11/2022, A5E00247483-AK
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