ABB SACE PR010/T - Protection Limitations and Information; Protection Limitations for PR12 x Series; Protection Settings Caution

ABB SACE ABB SACE PR010/T RH0029002 L4408 24/29
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The editing/saving modes for the protection parameters is the same as the one described
previously for the other configuration parameters.
CAUTION
The protection settings cannot be changed if the relay is in the overcurrent
Alarm or Pre-Alarm status.
3.7.1 Limitations
There are limitations to the display/editing modes of some of the protections for relays of the
PR12x series, degardless of the SW release.
• The following limitations must be considered for PR121/P relays with software releases
prior to 1.10:
• The following limitations must be considered for PR122/P relays with software releases
prior to 1.10:
NOTES
1
UV, OV, RV, RP, UF, OF protections only available when the Measuring module is installed and with
versions LSI and LSIG
2
Only available for LSIG versions and when the correlated sensor is installed
3
Only available when the residual current sensor (Rc) is not installed
1. Startup time protection S: 0.1s
 Time  1.5s step 0.01s
2. Startup time protection G: 0.1s
 Time  1.5s step 0.01s
3. Startup current activation threshold not available
4. Control of unit contacts on local bus not available
1. Startup time protection S: 0.1s  Time  1.5s step 0.01s
2. Startup time protection G: 0.1s  Time  1.5s step 0.01s
3. Startup time protection Gext: 0.1s  Time  1.5s step 0.01s
4. Startup current activation threshold not available
5. Threshold protection U: 5%  th  90% step 5%
6. Control of unit contacts on local bus not available
RH0029002.book Page 24 Thursday, May 5, 2011 12:14 PM