Cr30 hardware details, Max number of inputs and outputs – 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 1
Overview
CR30 Hardware Details
Figure 2 - Hardware Details
Max Number of Inputs and Outputs
Many of the inputs and outputs can be configured for different roles. The
following table shows the maximum number of terminals for a specific function.
Assigning a configurable terminal to one role reduces the risks of its use as
another role and reduce the allowed maximum number of terminals for other
functions.
Description
Description
1
Status indicators
10
Verification button
2
Plug-in latch
11
Din Rail mounting latch
3
Plug-in screw hole
12
Input status
4
40-pin high-speed plug-in connector
13
Power status
5
I/O and Power terminal blocks
14
Run status
6
Mounting screw hole/mounting foot
15
Fault status
7
Right-side cover
16
Lock status
8
RS-232 non-isolated serial port
17
Serial communications status
9
Type B connector USB
18
Output status
Function
Max Allowed
Function
Max Allowed
Safety inputs, normally closed
up to 18
Pulse test outputs
up to 6
Safety inputs, normally open
up to 6
OSSD safety outputs
up to 10
Single-wire safety input
up to 2
Non-pulsed (standard) outputs
up to 6
Single-wire safety output
up to 2
11
12
13
Status Indicators
14
15
16
17
18
1
10
2
3
4
5
5
6
6
9
8
7