Pin Assignment Of The If 964-Dp Interface Module - Siemens SIMATIC S7-400 Manual

11.2

Pin assignment of the IF 964-DP interface module

Connector X1
There is a 9-pin D-sub female connector on the front panel of the module for connecting the
cable. You can see the pin assignment in the following table.
Table 11-1
Pin
1
2
3
4
5
6
7
8
9
S7-400 Automation System, CPU Specifications
Manual, 10/2006, 6ES7498-8AA04-8BA0
Female connector IF1 IF 964-DP (9-pin D-sub)
Signal
–
M 24 24 V reference potential (6ES7964-2AA01-0AB0)
LTG_B Line B
RTSAS request to send (AS)
M5 Functional ground (isolated)
ext
P5 + 5 V (floating), max. 920 mA
ext
(to supply the bus terminator)
P 24 V +24 V, max. 150 mA, non-floating
LTG_A Line A
–
11.2 Pin assignment of the IF 964-DP interface module
Meaning
IF 964-DP interface module
Direction
Output
Input/Output
Output
Output
Output
Output
Input
11-3