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Siemens SIMATIC HMI 177 - Page 73

Siemens SIMATIC HMI 177
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Specifications
6.5 Interface assignment Terminal Box DP
Mobile Panel 177 (WinCC flexible)
Operating Instructions (Compact), Edition 07/2005
6-13
Terminal strip 1: IF1 and power supply

Figure 6-11 Assignment of 12-pin terminal strip 1
Pin RS 232
IF 1A
9-pin
pin
RS 232
IF 1A
15-pin
socket
RS 422
IF 1B
9-pin
socket
RS 485
IF 1B
9-pin
socket
Power supply
1 CTS (8) CTS (5) n. c. n. c. n. c.
2 RTS (7) RTS (10) n. c. n. c. n. c.
3 TxD (3) TxD (4) n. c. n. c. n. c.
4 RxD (2) RxD (3) n. c. n. c. n. c.
5 M (5) M (15) M (5) M (5) n. c.
6 n. c. n. c. TxD+ (3) Bus + (B) (3) n. c.
7 n. c. n. c. TxD– (8) Bus - (A) (8) n. c.
8 n. c. n. c. RxD+ (4) n. c. n. c.
9 n. c. n. c. RxD– (9) n. c. n. c.
10 PI PE PE PE PE
11 n. c. n. c. n. c. n. c. M24
12 n. c. n. c. n. c. n. c. P24
The values in parentheses in the table correspond to the pin numbers of the standard cables
described in the WinCC flexible online help for each coupling.

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