8.2.5
YVIB I/O Pack Replacement
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➢
To replace a YVIB I/O pack
1.
Follow all site safety procedures.
2.
Remove the power plug located in the connector on the side of the failed I/O pack.
3.
Unplug the Ethernet cable(s) from the failed I/O pack, and mark the positions of the removed cable(s).
4.
Loosen the two mounting nuts on the I/O pack threaded shafts.
5.
Unplug the I/O pack.
6.
Plug in the replacement I/O pack. Make sure the I/O pack connector is fully seated on all sides, then properly tighten
mounting nuts.
7.
Plug the Ethernet and power cables back into the I/O pack.
Use the following table to determine the correct replacement procedures for the I/O pack firmware.
YVIB I/O Pack Replacement Use Cases
Module Redundancy
Failed Hardware Form
New Hardware Form
Simplex
YVIBS1A
YVIBS1B
YVIBS1B
TMR
YVIBS1A
YVIBS1A
YVIBS1B (all three must be replaced with S1Bs)
YVIBS1B
YVIBS1B
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To replace a YVIB I/O pack with the same firmware/configuration:
use the ToolboxST application to download
the existing configuration to the new I/O pack.
Attention
Do NOT upgrade the firmware of any YVIBS1A to a version beyond V04.06.03C.
Making this mistake is extremely difficult to reverse, and would be best if the site then
upgrades to YVIBS1B.
232
GEH-6855_Vol_II
GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
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