General Instruction Manual
Wiring
Transmitter
54 / 90
IM 01U10B00-00EN-R, 3rd edition, 2018-07-09
Model code
Position 13
Connection terminal assignment
I/O1 +/- I/O2 +/- I/O3 +/- I/O4 +/- WP
JS
Iout1
Passive
P/Sout1
Passive
NAMUR
Iout2
Passive
P/Sout2
Passive
NAMUR
Write-protect
Iout1 Analog current output with HART communication
Iout2 Analog current output
Iin Analog current input
P/Sout1 Pulse or status output
P/Sout2 Pulse or status output
Sin Status input
Sout Status output
Configuration of input/output terminals for Modbus communication
Modbus I/O
Model
code
position
13
Connection terminal assignment
I/O1 +/- I/O2 +/- I/O3 + I/O3 - I/O4 + I/O4 - WP
M0 –
P/Sout1
Passive
– Modbus C Modbus B Modbus A
Write-
protect
M2
Iin
Active
P/Sout1
Passive
– Modbus C Modbus B Modbus A
Write-
protect
M3
P/Sout2
Passive
P/Sout1
Passive
– Modbus C Modbus B Modbus A
Write-
protect
M4
P/Sout2
Active
P/Sout1
Passive
– Modbus C Modbus B Modbus A
Write-
protect
M5
P/Sout2
Active
Internal
pull-up
resistor
P/Sout1
Passive
– Modbus C Modbus B Modbus A
Write-
protect
M6
Iout1
Active
P/Sout1
Passive
– Modbus C Modbus B Modbus A
Write-
protect
M7
Iin
Passive
P/Sout1
Passive
– Modbus C Modbus B Modbus A
Write-
protect
Iout Analog current output, no HART
Iin Analog current input
P/Sout1 Pulse or status output
P/Sout2 Pulse or status output