Rockwell Automation 1791ES-IB16 Guard I/O EtherNet/IP Safety Modules User Manual

Page 74

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74

Rockwell Automation Publication 1791ES-UM001D-EN-P - May 2013

Appendix A

Get Diagnostic Status from Modules by Using Explicit Messaging

Reference the figures below that show the MSG instruction parameters for
reading Instance 852 from the 1791ES-IB8XOBV4 module.

Instance 852 (354 Hex) is 5 bytes in length, so the Destination Tag
MSGdata must be at least 5 bytes in length to hold this data. The size is
DINT[2] or 8 bytes.

See the figure that shows the layout of Instance 852 (354 Hex).

354 (852)

1791ES-
IB8XOBV4

Safety and
Standard

0

Safety Input
7

Safety Input
6

Safety
Input 5

Safety Input
4

Safety
Input 3

Safety Input
2

Safety
Input 1

Safety Input
0

1

Safety Input
7 Status

Safety Input
6 Status

Safety
Input 5
Status

Safety Input
4 Status

Safety
Input 3
Status

Safety Input
2 Status

Safety
Input 1
Status

Safety Input
0 Status

2

Safety
Output 7
Status

Safety
Output 6
Status

Safety
Output 5
Status

Safety
Output 4
Status

Safety
Output 3
Status

Safety
Output 2
Status

Safety
Output 1
Status

Safety
Output 0
Status

3

Safety
Output 7
Monitor

Safety
Output 6
Monitor

Safety
Output 5
Monitor

Safety
Output 4
Monitor

Safety
Output 3
Monitor

Safety
Output 2
Monitor

Safety
Output 1
Monitor

Safety
Output 0
Monitor

4

Reserved

Reserved

Input
Power
Error

(1)

Output
Power
Error

(1)

Reserved

Reserved

Muting
Lamp 7
Status

Muting
Lamp 3
Status

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