Siemens CU240B-2 Function Manual

Table 8-8 Response times when using the basic functions
Function Selec‐
tion via
Response Response time
Worst case for a fault-
free inverter
Worst case for an inver‐
ter fault
SS1 F-DI STO is active 4 ms + T
2)
+ t_E
1)
6 ms + T
2)
+ t_E
1)
SBC Signal change at the output
of the Safe Brake Relay
8 ms + T
2)
+ t_E
1)
22 ms + T
2)
+ t_E
1)
1)
T = p9652
2)
When p9651 > 0: t_E = p9651 + 3 ms; p9651: Delays
When p9651 = 0: t_E = 4 ms
Table 8-9 Response times when using the extended functions
Function Selec‐
tion via
Response Response time
Worst case for a fault-
free inverter
Worst case for an inver‐
ter fault
SS1 F-DI STO is active 50 ms + T
2)
+ t_E
1)
52 ms + T
2)
+ t_E
1)
SBC Signal change at the output
of the Safe Brake Relay
52 ms + T
2)
+ t_E
1)
60 ms + T
2)
+ t_E
1)
1)
When p10017 > 0: t_E = p10017 + 3 ms; p10017: Debounce time
When p10017 = 0: t_E = 4 ms
2)
T depends on how safety function SS1 is set:
● SS1 with braking ramp monitoring: T = p9582 + time to brake down to standstill detection
● SS1 with acceleration monitoring: T = the lower of the two times:
– p9556
– Time to brake down to standstill detection
System properties
8.5 Response times after selection
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
378 Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD

Siemens CU240B-2 Specifications

General

Brand	Siemens
Model	CU240B-2
Category	Inverter
Language	English