2011-07-01/00561073 [SCR Power Controller TYA202] 81
6 Special device functions
6.10 Firing-pulse inhibit
The inhibit function serves for protecting the SCR power controller and the
connected devices.
Internal The SCR output is inhibited for the following:
- Device switch-on (during the starting process)
- Reset or restart due to changes in the configuration level
- Insufficient or excessive supply voltage
- Master/slave data line interrupted
- Master/slave synchronization failed
- Setup data transmission to the device
- Device temperature higher than 115°C
- Rotary field errors
- Short-term drops in supply > 10% within a half-wave
v Chapter 5.1.5 „Monitoring“
External The SCR output can be switched off via the binary input "inhibit"
v Chapter 3.3 „Connection diagram“
or via the PROFIBUS, RS422/485 interfaces.
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