Siemens PC 677B Operations Instructions download pdf (Page 197)

Detailed descriptions

17.1 Motherboard

SIMATIC Panel PC 677B

Operating Instructions, 05/2007, A5E01035609-01

197

Pin no. Short description Meaning Input / Output

14 D12 Data signal D12 Input / Output

15 D3 Data signal D3 Input / Output

16 D13 Data signal D13 Input / Output

17 D2 Data signal D2 Input / Output

18 D14 Data signal D14 Input / Output

19 D1 Data signal D1 Input / Output

20 D15 Data signal D15 Input / Output

21 D0 Data signal D0 Input / Output

22 DREQ DMA request Input

23 GND Ground -

24 IOR_N Read signal Output

25 IOW_N Write signal Output

26 GND Ground -

27 IORDY Ready signal Input

28 DACK_N DMA acknowledgment Output

29 IRQ15 Interrupt signal Input

30 AD_1 Address1 Output

31 AD_0 Address 0 Output

32 AD_2 Address 2 Output

33 CS_N Chip select signal Output

34 HDACT_N Activity Input

35 CS1_N Chip select 1 -

36 CSEL Chip select signal -

37 GND Ground -

38 P5V +5 V voltage supply Output

39 P5V +5 V voltage supply Output

40 P5V +5 V voltage supply Output

41 P5V +5 V voltage supply Output

Pin assignment of the equipment fan, X128

Pin no. Short description Meaning Input / output

1 GND Ground -

2 +12 V Switched voltage supply Output

3 CPU FAN_CLK Clock signal Input

1 2 ... 192 193 194 195 196 197 198 199 200 201 202 ... 258 259

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Siemens PC 677B Operations Instructions Page 197