Siemens SIMATIC S7 System Manual page 740

Technical specifications
A.4 Analog inputs and outputs expansion modules (EMs)
Table A- 94
EM AE04 Analog 4 x Inputs
(6ES7288-3AE04-0AA0)
Note: Connectors must be gold. See Appendix F, Spare parts and other hardware, for article number.
Table A- 95
740
Wiring diagram EM AE04 Analog 4 x Inputs (6ES7288-3AE04-0AA0) and EM AE08 Ana-
log 8 x Inputs (6ES7288-3AE08-0AA0
Connector pin locations for EM AE04 Analog 4 x Inputs (6ES7288-3AE04-0AA0)
Pin X10 (gold)
1 L+ / 24 V DC
2 M / 24 V DC
3 Functional Earth
4 AI 0+
5 AI 0-
6 AI 1+
7 AI 1-
EM AE08 Analog 8 x Inputs
(6ES7288-3AE08-0AA0)
X11 (gold)
No connection
No connection
No connection
AI 2+
AI 2-
AI 3+
AI 3-
System Manual, V2.3, 07/2017, A5E03822230-AF
S7-200 SMART