Rockwell Automation Allen-Bradley Guardmaster 440G-LZ, User Manual

Page: 27 / 40

Rockwell Automation Publication 440G-UM001A-EN-P — November 2013 27
Description of Operation Chapter 4
Troubleshooting Series
Circuit
Unit Response Times When
Connected in Series
Green
P
ink
Gr
e
y
Red
Yello
w
W
hit
e
Green
Pink Gr
ey
Red
Yello
w W
hit
e
Green
Blue
Pink Gr
ey
Brow
n
Red
Yello
w
W
hit
e
Green
Pink
Gr
ey
Red
Yello
w W
hit
e
Green
Pink Gr
ey
Red
Yello
w W
hit
e
Blue Blue
Blue
Blue
Brow
n
Brow
n
Brow
n
Brow
n
+24V +24V
+24V +24V
0V 0V
0V
0V
0V
0V
RTN
24V DC
Power
Suppl y
+24
1606-
XL120D
Lock/Unlock Lock/Unlock Lock/Unlock Lock/Unlock Lock/Unlock
Recoverable
Fault
Actuator 1 is in sensing range
and guard is locked.
Guard 1 functions properl
y .
OSSDs are energized to 24V.
Green LED is ON.
Actuator 2 is in sensing range
and guard is locked.
Guard 2 functions properl
y .
OSSDs are energized to 24V.
Green LED is ON.
Actuator 3 is in sensing
range and guard is locked.
Guard 3 has a fault.
See Diagnostic table.
Red LED is flashing. Actuator 4 is in sensing range
and guard is locked. Guard
4 functions properl
y . Series
inputs are 0V. OSSDs are
de-energized to 0V. Green
LED is flashing to indicate
series inputs are not 24V.
Actuator 5 is in sensing range
and guard is locked. Guard 5
functions properl
y .
Series inputs are 0V. OSSDs
are de-energized to 0V. Green
LED is flashing to indicate
series inputs are not 24V.
OSSDs
are OFF
Switch 1 Switch 2 Switch 3 Switch 4 Switch 5
A
c
tuat
or 1
A
c
tuat
or 2
A
c
tuat
or 3
S
wit
ch 1
S
wit
ch 2
S
wit
ch 3
RTN
24V DC
Power
Suppl y
+24
1606-
XL120D
Gr
een
Pink
Gre y
Brown
Red
Yel
White
A2
440R-N23132
Initial Conditions:
All switches are
locked
Switch 1 receives
Unlock co mm and
(guard can then
be opened).
L
ock/unlock
co
mm
and
Switch 2 drops the 24 volts
(red and y ellow) fro m
switch 1 OSSD outputs.
Green LED flashes.
Switch 3 drops the 24 volts
(red and y ellow ) fro m
switch 3 OSSD outputs.
Green LED flashes.
Pink
Gre y
Red
Yel
White
Gr
een
Blue
Pink
Gre y
Red
Yel
White
S11 41 33 23 13 S12 S52
S21 S22 42 34 24 14 A1 S34
200 m s 150 m s 100 m s 0 m s
650 m s 625 m s 600 m s 0 m s
Switch 1 guard is
closed
Switch 1 OSSD
outputs are
energized.
Switch 2 OSSD inputs (red
and y ellow) transition to
24V DC fro m switch 1 OSSD
outputs. Switch 2 OSSD
outputs are energized.
Switch 3 OSSD inputs (red
and y ellow) transition to
24V DC fro m switch 2
OSSD outputs. Switch 3
OSSD outputs are energized.
Gr
een
Br
own
Blue
Br
own
Blue
Switch 1
Switch 2
Switch 3