Publication 1756-UM001E-EN-P - August 2002
15-2
Monitor Connections
Monitor a Connection
If communication with a device in the I/O configuration of the
controller does not occur for 100 ms, the communication times out
and the controller produces the following warnings:
•
The I/O LED on the front of the controller flashes green.
•
A
shows over the I/O configuration folder and over the
device (s) that has timed out.
•
A module fault code is produced, which you can access
through:
–
Module Properties dialog box for the module
–
GSV instruction
How do you want to handle the loss of communication with a module
in the I/O configuration of the controller?
!
If you want to:
Then:
determine if communication has timed out
with any device
Enter the following rung and add the specific action to occur:
If communication times out with at least one device (module) in the I/O configuration of
the controller, the I/O LED on the front of the controller flashes green.
•
The GSV instruction gets the status of the I/O LED and stores it in the
I_O_LED
tag.
•
If
I_O_LED
equal 2, the controller has lost communication with at least one
device.
where:
I_O_LED
is a DINT tag that stores the status of the I/O LED on the front of the
controller.
Get System Value
CIP Object Class MODULE
CIP Object Name
Attribute Name
LedStatus
Dest
I_O_LED
GSV
Equal
Source A I_O_LED
Source B
2
EQU
42468
Содержание controllogix 1756-L63
Страница 1: ...ControlLogix System 1756 L1 L1Mx L55Mxx L63 User Manual Allen Bradley HMIs...
Страница 4: ...Publication 1756 UM001E EN P August 2002 Summary of Changes 2 Notes...
Страница 16: ...Publication 1756 UM001E EN P August 2002 Table of Contents x...
Страница 46: ...Publication 1756 UM001E EN P August 2002 2 4 Download and Go Online over an EtherNet IP Network Notes...
Страница 116: ...Publication 1756 UM001E EN P August 2002 6 16 Communicate with a PanelView Terminal Over a EtherNet IP Network Notes...
Страница 156: ...Publication 1756 UM001E EN P August 2002 8 16 Communicate with 1756 I O over a ControlNet Network Notes...
Страница 184: ...Publication 1756 UM001E EN P August 2002 9 28 Communicate with 1771 I O Over a ControlNet Network Notes...
Страница 200: ...Publication 1756 UM001E EN P August 2002 10 16 Communicate with 1794 I O Over a ControlNet Network Notes...
Страница 218: ...Publication 1756 UM001E EN P August 2002 11 18 Communicate with Another Controller over a ControlNet Network Notes...
Страница 222: ...Publication 1756 UM001E EN P August 2002 12 4 Route PLC 5 Messages Between ControlNet Networks Notes...
Страница 268: ...Publication 1756 UM001E EN P August 2002 15 4 Monitor Connections Notes...
Страница 276: ...Publication 1756 UM001E EN P August 2002 16 8 Communicate with a DeviceNet Device Notes...
Страница 306: ...Publication 1756 UM001E EN P August 2002 18 8 Route PLC 5 or SLC 500 Messages From a DH Network Notes...
Страница 368: ...Publication 1756 UM001E EN P August 2002 22 18 Configure DF1 Master and Slave Communications Notes...
Страница 402: ...Publication 1756 UM001E EN P August 2002 24 22 Program Motion Control Notes...
Страница 408: ...Publication 1756 UM001E EN P August 2002 25 6 Maintain the 1756 BA1 Battery Notes...
Страница 418: ...Publication 1756 UM001E EN P August 2002 B 2 Estimate Execution Time...
Страница 420: ...Publication 1756 UM001E EN P August 2002 C 2 Estimate Memory Use...
Страница 422: ...Publication 1756 UM001E EN P August 2002 D 2 Determine When Data Is Updated Notes...
Страница 424: ...Publication 1756 UM001E EN P August 2002 E 2 Reconfigure an I O module Notes...
Страница 428: ...Publication 1756 UM001E EN P August 2002 4 Index...
Страница 429: ...Publication 1756 UM001E EN P August 2002 Index 5 Allen Bradley HMIs...
Страница 430: ...Publication 1756 UM001E EN P August 2002 6 Index...
Страница 435: ...ControlLogix System User Manual Allen Bradley HMIs...