Siemens ET 200S Manual page 450

Analog Electronic Modules
12.11 2AI I 2/4WIRE High Feature Analog Electronic Module
(6ES7 134-4MB00-0AB0)
Order Number
6ES7 134-4MB00-0AB0
Features
S 2 inputs for measuring current
S Input ranges:
– "20 mA, resolution 15 bits + sign
– 4 to 20 mA, resolution 15 bits
S Isolated from the load voltage L+
S Permitted common-mode voltage between the channels 100 VAC
S Supports two-wire or four-wire measuring transducers
Terminal Assignment
The following table indicates the terminal assignment of the 2AI I 2/4WIRE High
Feature for the different terminal modules:
Table 12-83 Terminal Assignment of the 2AI I 2/4WIRE High Feature
View
TM-E15S24-01 and 2AI I 2/4WIRE High Feature
CH0 CH1
M M
0+
1 5
M M
0–
2 6
24 VDC+ 24 VDC+
3 7
24 VDC– 24 VDC–
4 8
12-94
Terminal Assignment
4 conductors
Four-wire measuring transducer
1+
mA
mA
1–
Remarks
Channel 0: Terminals 1 to 4
Channel 1: Terminals 5 to 8
M+ : Input signal "+"
M–: Input signal "–"
24 VDC+: Power supply for
four-wire measuring transducer
24 VDC–: Return circuit for
measuring transducer supply
It is possible to supply four-wire
measuring transducers by
means of the module.
To support isolation between
the channels, use an external
supply to feed one of the
measuring transducers.
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07