Siemens Simantic ET 200S - Page 208

Analog electronic modules
4.16 2AI RTD High Feature analog electronic module (6ES7134-4NB51-0AB0)
ET 200S
4-78 Manual, Edition 10/2005, A5E00514527-01
Note
The 2AI RTD High Feature electronic module can replace a 2AI RTD Standard in an
existing system.
• The wiring does not have to be changed. The additional bridges on the terminal
module of the 2AI RTD Standard do not have to be removed.
• The configuration (in HW Config or the GSD file) does not have to be changed. Only
the new functions of the 2AI RTD High Feature cannot be assigned parameters in this
instance.
General terminal assignment
Note
Terminals 4, 8, A4, A8, A3 and A7 are only available at specified terminal modules.
Terminal assignment for 2AI RTD High Feature (6ES7134-4NB51-0AB0)
Terminal Assignment Terminal Assignment Notes
1 M
0+
5 M
1+
2 M
0-
6 M
1-
3 I
C0+
7 I
C1+
4 I
C0-
8 I
C1-
A4 AUX1 A8 AUX1
A3 AUX1 A7 AUX1
• M
n+
: Measuring line positive, channel n
• M
n-
: Measuring line negative, channel n
• I
C0+
: Constant current line positive, channel n
• I
C0-
: Measuring line negative, channel n
• AUX1: Protective-conductor terminal or potential bus (freely usable
up to 230 VAC)