Siemens SIMATIC - Page 477

Analog modules
6.16 Analog IO module SM 334; AI 4/AO 2 x 8/8 Bit; (6ES7334-0CE01-0AA0)
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
477
Wiring: Voltage measurement and current output
①
Internal supply
②
Analog-to-Digital Converter (ADC)
③
Inputs: Voltage measurement
④
Outputs: Voltage output
⑤
Digital-to-Analog Converter (DAC)
⑥
Backplane bus interface
⑦
Equipotential bonding
⑧
Functional earthing
Figure 6-50 Wiring and block diagrams