Siemens Simatic S7-400 - Manual (Page 529)

Interface Submodules
13-33
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
13.7 IF 961-AIO Interface Submodule for M7-300/400;
(6ES7961-2AA00-0AC0)
Characteristics
The IF 961-AIO interface submodule has the following characteristics:
• 4 analog inputs, each as voltage and current input
• 2 analog outputs, each as voltage and current output
• 24 VDC external power supply of the analog circuit section
• Hardware interrupt capability and diagnostic capability
Figure 13-9 IF 961-AIO Interface Submodule
Special Feature of the Measuring Range Selection and Output Range Selection
You select the measuring type (current measuring or voltage measuring) of an
input channel via the wiring of the analog inputs (see Figure 13-10 ). You select the
output type (current or voltage output) via the wiring of the analog outputs (see
Figure 13-10).