Siemens Simatic S7-1500 Manual page 61

Maximum response time to external short-circuits
t <= max (120 ms, 2 * (n × cycle time) + sum [x=0...3](T1x + T2x)) + cycle time
T1x
T2x
n
x
Maximum response time to discrepancy errors during 1oo2 evaluation
t <= 2 * cycle time + input delay + discrepancy time + 2 * max (T1p + T2p, T1s + T2s)
n
T1x
T2x
T1p
T2p
T1s
T2s
x
Digital input module F-DI 16x24VDC (6ES7526-1BH00-0AB0)
Manual, 01/2016, A5E03858068-AA
Time for the sensor test
Startup time of sensors after the short-circuit test
Number of sensor supplies with activated short-circuit test
Sensor supply
Number of sensor supplies with activated short-circuit test
Time for the sensor test
Startup time of sensors after the short-circuit test
Test time for the sensor supply of sensor 1
Startup time of sensor after the short-circuit test (sensor 1)
Test time for the sensor supply of sensor 2
Startup time of sensor after the short-circuit test (sensor 2)
Sensor supply
Response times
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