Siemens S7-1200 SM 1222 digital output module , DQ 16x relay/2A, with the following features:
- Supply voltage: Allowable range, lower limit (DC) 20.4V - Allowable range, upper limit (DC) 28.8V
- Input current from backplane bus DC 5 V, max. 135 mA
- Digital outputs from load voltage L+, max. 11 mA / relay coil
- Power dissipation: typ. 8.5W
- Digital outputs: 16
- Short-circuit protection No (to be provided externally)
- Output voltage: Rated value (DC) DC 5V ... DC 30V - Rated value (AC) 5 ... 250V AC
- Output current: for signal "1" rated value 2A
- Cable length: with shielding, max. 500 m - without shielding, max. 150 m
- Diagnostic alarm: yes
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