Rockwell Automation Allen-Bradley Guard master 442G-MAB Series - Wiring: Cat 0 Stop with GLT Time Delay

44 Rockwell Automation Publication 440G-UM001B-EN-P - May 2016
Chapter 5 Wiring Examples
Cat 0 Stop with GLT Time Delay Safety Relay
A1
A2
L12
S54
L11
0
1
2
3
4
5
6
7
8
9
1
2
3
4
5
8
10
9
S21
S11
B2
6
7
0
1
2
3
4
56
7
8
9
S22
S12
Y32
S44
A1
14
24
51
L61
GLT
889M-F19RM-X
24V DC
440R-GL2S2T
M
L1
L2
L3
K1
K2
0V DC
K1
K2
U
R
U
A
U A
OT
OL
R
442G-MAB PTR
Rev. A
Rev. B
87654321
X3
IMM 0V UA
IMP1 IMP2
87654321
X3
IMM IMP * 0V UA
U
1
4
10
In this example The unlock request initiates a category 0 stop function.
The MAB and GLT provide a time delayed guard lock function.
The MAB and GLT provide a prevention of unexpected start-up function.
Time
Blue
LOGIC*
Brown
Range
Unlock Request
White/Green
Green/Black
Red/Blue
Unlock Cmd A
Unlock Cmd B
Violet
Gray/Brown
Pink
- see Note 1
MAB Cover
Rev. A Rev. B
Retract
Bolt
Extend
Bolt
MAB cover
Yellow/Brown
Reset/Lock
ON/OFF
Status to PAC
Hardware Rev. B
- see Note 3
- see Note 2
Note 2: U : Connected to 24V internally in MAB
OL: True when the door is closed, the bolt is extended and locked.
OT: True when the door is closed and the bolt is extended, locked or not.
Note 3: When using a Hardware Rev. A MAB, connect the violet wire to terminal 51 of the
GLT. The gray/brown wire must remain unconnected.
Note that the terminal designations of X3.6 and X3.7 are different on Hardware
Rev. A and Hardware Rev. B MAB.
Note 1: K1 and K2 = 100S-CO9EJ14BC:
EJ contactors have integral transient
suppression. External transient suppression may
be required when non-”EJ” contactors are used.
A