ABB RELION REX640 Operation Manual page 28

Section 3
REX640 overview
22
Table 3: Power supply module Ready LED and local HMI Home button LED
State Power supply module
Ready LED
Relay under normal Steady green
operation and LHMI
connected
Relay's IRF activated, high frequency blinking
but communicates with
green
LHMI
Communication lost Steady green
between Relay and
LHMI, but no IRF
LHMI not running Steady green
normally or in start-up
initialization phase
Process related alarm Steady green
active
Process related alarm Steady green
active
Process related alarm Steady green
has been active earlier,
but is not any more
active.
Process related alarm Steady green
has been active earlier,
but is not any more
active.
Relay set to Test Mode low frequency blinking
green
1) high frequency = 3 Hz
2) low frequency = 1 Hz
The Operator pages can be used as such or customized according to the project's
requirements using Graphical Display Editor in PCM600. The Engineer pages are
fixed and cannot be customized.
LHMI Home button
Steady green
high frequency blinking
1) 1)
red
high frequency blinking
1)
green
high frequency blinking
1)
green
low frequency blinking
2)
red
Steady red
low frequency blinking
2)
red
Steady green
low frequency blinking
2) 2)
green
1MRS759118 A
Alarm acknowledged
N/A
N/A
N/A
N/A
No
Yes
No
Yes
No
REX640
Operation Manual