Siemens Simatic S7-400 - Manual (Page 487)

M7-400 Expansions
12-17
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Table 12-5 Pin Assignments of the 98-Pin Standard Direct Connector
(ATConnector)
Pin Signal Name Pin Signal Name
XT Signals
B1 GND A1 I/OCHCK_N
B2 RESET DRV A2 SD7
B3 P5V A3 SD6
B4 IRQ9 A4 SD5
B5 N5V A5 SD4
B6 DRQ2 A6 SD3
B7 N12V A7 SD2
B8 0WS A8 SD1
B9 P12V A9 SD0
B10 GND A10 I/OCHRDY_N
B11 SMEMW_N A11 AEN
B12 SMEMR_N A12 SA19
B13 I/OW_N A13 SA18
B14 I/OR_N A14 SA17
B15 DACK3_N A15 SA16
B16 DRQ3 A16 SA15
B17 DACK1_N A17 SA14
B18 DRQ1 A18 SA13
B19 REFRESH A19 SA12
B20 SYSCLK A20 SA11
B21 IRQ7 A21 SA10
B22 IRQ6 A22 SA9
B23 IRQ5 A23 SA8
B24 IRQ4 A24 SA7
B25 IRQ3 A25 SA6
B26 DACK2_N A26 SA5
B27 T/C A27 SA4
B28 BALE A28 SA3
B29 P5V A29 SA2
B30 OSC A30 SA1
B31 GND A31 SA0