S811+ Operating Configuration
38
S811+ Soft Starter
MN03900001E—November 2012
When the Alarm-No-Trip option is enabled, mains voltage
operating conditions noted in table (2) below are monitored
by the S811+.
(2) Mains Voltage Operating Faults—Full SCR Start
(2) S811+ Mains Voltage Operating Faults—Full SCR
Start protocol:
Condition
1.
Motor not running
2.
Alarm-No-Trip feature is enabled;
3.
No faults noted in table (1) are active;
4.
One or more faults noted in table (2) are active.
5.
START command is received by the S811+
Action
1.
Motor not running = SCRs commanded to full gate +
internal bypass contactors close.
2.
Motor running = no action.
When the Alarm-No-Trip option is enabled, faults noted in
table (3) below are monitored by the S811+. One or more
faults will actuate the Fault Trip Relay only.
(3) Fault Trip Warnings
(3) S811+ Alarm-No-Trip Condition Fault Relay Only
protocol:
Condition
1.
Alarm-No-Trip feature is enabled;
2.
No faults in tables (1) or (2) active.
3.
One or more faults noted in table (3) are active.
Action
1.
Motor not running = Fault Trip Relay changes state, Start
ramp occurs in accordance with Start parameter settings
when Start command received.
2.
Motor running = Fault Trip Relay changes state, no
change in Run status.
Code
Alarm-No-Trip Condition Full Voltage Start Parameters
64
Zero Voltage Cross Lost
61
Mains Loss
6
Voltage Phase Loss
74
Line Frequency High
75
Line Frequency Low
Code
Alarm-No-Trip Condition Fault Relay Only Parameters
44
Phase Reversal
7
Phase Imbalance
14
Overload
11
Jam
63
Stall
42
Mains Voltage Low
43
Mains Voltage High
9
Underload
13
Bypass Dropout
40
Low Power
41
High Power