Endress+Hauser Proservo NMS83 Brief Operating Instructions page 24

Electrical connection
6.1.4 Terminals of the "Modbus" or "V1" module
1
E
2
1
CDI
i
1 3
F
2 4
HR
on
WP
POWER
SIM
 6 Designation of the "Modbus" or "V1" modules (examples); depending on the device version these
modules may also be in slot B or C.
Depending on the device version, the "Modbus" and/or "V1" module may be in different slots of
the terminal compartment. In the operating menu the "Modbus" and "V1" interfaces are
designated by the respective slot and the terminals within this slot: A1-4, B1-4, C1-4, D1-4.
Terminals of the "Modbus" module
1)
Terminal
X1
X2
X3
X4
Designation of the module in the operating menu: Modbus X1-4; (X = A, B, C or D)
1) In this column, "X" stands for one of the slots "A", "B", "C", or "D".
24
D
1 2 3 4
C
1 2 3 4
B
1 2 3 4
A
1 2 3 4
Name Description
S Cable shielding connected via a capacitor to EARTH
0V Common reference
B- Non-inverting signal line
A+ Inverting signal line
5 6 7 8
5 6 7 8
D
1 2 3 4
D1-4
A
1 2 3 4
A1-4
Proservo NMS83
A0031200
Endress+Hauser