Rockwell Automation Allen-Bradley Guardmaster 440G-LZS21SP Series - Wiring to CR30 Relay

42 Rockwell Automation Publication 440G-UM001C-EN-P - June 2019
Chapter 7 Application Examples
Figure 14 - DG with 440G-LZ Safety Switch Schematic
Wiring to CR30 Relay
The CR30 is a software configurable relay that can easily interface with the
440G-LZ guard locking safety switch. Version 10 and later of Connected
Components Workbench™ has a locking function that is useful for guard
locking applications.
Figure 15 on page 43
shows an example schematic. The CR30 monitors the
motor running signal from the PowerFlex® 525. When the motor is not
running, the safety gate can be unlocked, and the PowerFlex 525 goes to a Safe
To r qu e O f f s t ate .
L1
L2 L3
M
K1
K2
K1
K2
Status
Control
Control
+24V DC
Machine
Control
System
+24V Com
A1
S32 X3
X2
X4
14S42
13 23
24
S11
S12 S21S22
X1
A2
DG
440R-DG2R2T
INPUTINPUT
INPUTINPUT
+
440R-ENETR
A
B
C
Status
0
.
2
.
4
.
6
.
8
.
1
0
.
1
2
.
1
4
.
TIME
Diag
Status
440G-LZ
Diag
Status
440G-LZ
Diag
Status
440G-LZ
Diag
Status
440G-LZ