20 Rockwell Automation Publication 440R-UM010C-EN-P - September 2016
Chapter 3 Power, Ground, and Wire
Outputs
Terminals 51 and L61 are the time-delayed safety outputs. They can be
configured for two different functions:
1. Direct connection to the solenoid of a guard locking interlock, or
2. Direct connection to other time-delayed safeguarding devices.
The function is determined during the configuration process.
Figure 16 - TLS1, 2, and 3 Solenoid Connections
When using the TLS1, 2, or 3, the solenoid connections can be reversed, A1
can be connected to 51 or L61 and A2 can be connected to either 51 or L61.
Note: The 440G-MT solenoid cannot be connected directly to the
GLT safety relay as it draws too much current; an interposing relay is
required.
Figure 17 - TLS-Z and 440G-LZ Solenoid Connections
When connecting to the TLS-Z or 440G-LZ guard locking switch, the
solenoid signal must be connected to terminal 51. Terminal L61 can also be
used to drive a relay.
When multiple guards (solenoids) must be unlocked simultaneously, a safety
control relay can be connected between terminal 51 and L61 or two separate
safety control relays can be connected to 51 and L61. A diode suppressor
should be connected in parallel across the coil.
Figure 18 - Interposing Relay Connections
Safety
Gate
12
22 34
11 21
33
A1
A2
42
41
52
51
L61
GLT
51
TLS3-GD2
GLT
51
A1
A2
+24V DC
TLS-Z &
440G-LZ
24V DC Com
GLT
L61
51
A1
A2
+24V DC
24V DC Com
CR1
GLT
L6151
A1
A2
CR1 CR2
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