GE Industrial Solutions ISM - Manual (Page 22)

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OPM_ISM_OPT_10K_M50_0GB_V021.doc Operating Manual ISM – Intelligent Synchronization Module
MAINTENANCE MAINTENANCE
LOAD
BYPASS
INVERTER
BYPASS
INVERTER
GROUP B GROUP A
BYPASS OK
INVERTER OK
B SYNC TO A A SYNC TO B
INVERTER OK
BYPASS OK
STS
SYNC MASTER
A B
ISM_LBS_CP 2_01
Fig. 5.2-2 Control Panel – Part 2
A
B
SYNC MASTER A (B) – Green LED
Pushbuttons commands:
A When
pressed, Group A will be the synchronization “Super Master” and Group
B will synchronize to Group A.
The “SYNC MASTER A” LED will be lit.
Pressing this button disables the automatic “Super Master” selection.
B When pressed, Group B will be the synchronization “Super Master” and Group
A will synchronize to Group B.
The “SYNC MASTER B” LED will be lit.
Pressing this button disables the automatic “Super Master” selection.
The SYNC MASTER A (B) green LED, indicates whether Group
A or B is the Super Master.
OUTPUT SYNC – Green LED
When lit, it indicates that the UPS outputs of Groups A and B are synchronized
and within the allowed limits.
This indication is derived from comparing the output of the second UPS group to
the output of the selected “Super Master” group.
When blinking, it indicates that the UPS outputs of Groups A and B are
synchronizing.
MAINTENANCE
BYPASS
INVERTER OUTPUT – Green LED
The corresponding LED will be lit, depending on the UPS output status of Group A
(or B): INVERTER, BYPASS (Automatic Bypass) or MAINTENANCE (Manual Bypass).
INVERTER OK
INVERTER OK – Green LED
When lit it indicates that the inverter power to UPS Group A (or B) is available and it
is within the allowed tolerance.
BYPASS OK
BYPASS OK – Green LED
When lit, it indicates that the bypass power to UPS Group A (or B) is available and it
is within the allowed tolerance.
A SYNC TO B
A SYNC TO B – Green LED
When lit, it indicates that the UPS outputs of Groups A and B are synchronized and
within the allowed limits. Group B is the synchronization Super Master.
B SYNC TO A
B SYNC TO A – Green LED
When lit, it indicates that the UPS outputs of Groups A and B are synchronized and
within the allowed limits. Group A is the synchronization Super Master.