Technical specifications
A.11 Digital signal boards (SBs)
S7-1200 Programmable controller
940 System Manual, 03/2014, A5E02486680-AG
SB 1223 200 kHz digital input / output specifications
Table A- 195 General specifications
SB 1223 DI 2 x 24 VDC /
DQ 2 x 24 VDC, 200 kHz
SB 1223 DI 2 x 5 VDC /
DQ 2 x 5 VDC, 200 kHz
Dimensions W x H x D (mm)
Current consumption (SM Bus)
Current consumption (24 VDC)
Table A- 196 Digital inputs
SB 1223 DI 2 x 24 VDC /
DQ 2 x 24 VDC, 200 kHz
SB 1223 DI 2 x 5 VDC /
DQ 2 x 5 VDC, 200 kHz
Continuous permissible voltage
L+ minus 10 VDC at 2.9 mA
L+ minus 2.0 VDC at 5.1 mA
L+ minus 1.0 VDC at 2.2 mA
HSC clock input rates (max.) Single phase: 200 kHz
Quadrature phase: 160 kHz
Single phase: 200 kHz
Quadrature phase: 160 kHz
Isolation (field side to logic) 500 VAC for 1 minute 500 VAC for 1 minute
Isolation groups 1 (no isolation to outputs) 1 (no isolation to outputs)
Filter times us settings 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, 10.0,
12.8, 20.0
0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, 10.0,
12.8, 20.0
ms settings 0.05, 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4,
0.05, 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4,
Number of inputs on simultaneously