Led Indicators (Normal Operation) - Reer MZERO Installation, Use And Maintenance Manual

LED INDICATORS (Normal Operation)

Power on - initial TEST
MZD requesting connection: MZERO
internal configuration not present
MZD connected - MZERO stopped
NORMAL OPERATION
EXTERNAL FAULT
DETECTED
Figure 11 - Signals
8541403 • 19/07/2021 • Rev.1
STAND ALONE PROGRAMMABLE SAFETY CONTROLLER
MEANING
MEANING RUN
GREEN
ON
ON
RUN IN FAIL EXT FAIL
GREEN RED RED
ON ON ON
OFF OFF OFF
OFF OFF OFF
Table 5 - Opening Screen
IN FAIL EXT FAIL COM
RED RED ORANGE
▪ ON = MZERO
OFF
OFF connected to PC
operation OK
▪ OFF = otherwise
ON
incorrect ▪ ON = MZERO
OFF external connected to PC
connection OFF = otherwise
detected
Table 6 - Dynamic Screen
LED
COM IN1÷16 OSSD1÷4
ORANGE YELLOW RED/GREEN
ON ON
Flashes slowly OFF
ON OFF
LED
IN1÷16 OSSD1÷4
YELLOW RED/GREEN/YELLOW
▪ RED with output
INPUT
OFF
condition
▪ GREEN with output
ON
only the
▪ YELLOW waiting for
number of the
restart
INPUT with the
▪ BLINKING YELLOW
incorrect
with inconsistent
connection
feedback
flashes
(when required)
STATUS1÷4
YELLOW
Red ON
Red OFF
Red OFF
STATUS1÷4
YELLOW
OUTPUT
condition
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