Safe Speed Monitor (Ssm) - Siemens SINAMICS G120 Function Manual

4.9.5.6

Safe Speed Monitor (SSM)

Table 4- 13 "Safe Speed Monitor" (SSM) function
No.
1. Initial state
The inverter is in the "Ready" state (p0010 = 0).
•
The inverter signals neither faults nor alarms of the safety functions (r0945, r2122, r2132).
•
2. Switch on the motor (ON command).
3. Select a lower motor speed than the SSM speed limit.
4. Ensure that the correct motor is running.
5. Check the following:
The inverter signals: "Speed below the limit value" (r9722.15 = 1).
•
The higher-level controller receives the message "speed below the limit value" (status word 0, bit
•
15 = 1)
6. Select a higher motor speed than the SSM speed limit.
7. Check the following:
The inverter signals: "Speed above the limit value" (r9722.15 = 0).
•
The higher-level controller receives the message "speed above the limit value" (status word 1, bit
•
15 = 0)
Safety Integrated Function Manual, SINAMICS G120 and G120C
Function Manual, 01/2011, FW 4.4, A5E03052391B AB
4.9 Acceptance test - Completion of commissioning
Description
Commissioning
Status
175