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Rockwell Automation 440C Guardmaster 440C-CR30 Configurable Safety Relay User Manual User Manual

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Rockwell Automation Publication 440C-UM001C-EN-P - November 2014

Chapter 9

Safety Monitoring Functions

You can modify the number and types of inputs:

2 N.C.

2 OSSD

1 N.C.

Pulse testing can be disabled or set to 2 Sources. When 2 Sources is selected, the
next available test sources are automatically selected. You can modify the sources
afterward.

You can use the default Discrepancy Time and Input Filter or choose to modify
these settings.

Figure 40 - Example Schematic of a Dual Channel Safety Gate Switch Without Test Pulses

Figure 41 - Example Schematic of a Dual Channel Safety Gate Switch Using Test Pulses A and B

Figure 42 - Example Schematic of a Dual Channel Safety Gate Switch Using OSSD Outputs

+24V DC

24V Com

05

CR30

02

01

00

03 04

A1

15

20 21

16

06

18

A2

07

19

08

10 11

12 13 14

09

17

+24V DC

24V Com

A B

05

CR30

02

01

00

03 04

A1

15

20 21

16

06

18

A2

07

19

08

10 11

12 13 14

09

17

+24V DC

24V Com

A1

A2

05

CR30

02

01

00

03 04

A1

15

20 21

16

06

18

A2

07

19

08

10 11

12 13 14

09

17