2 Equipment Description
2.29 I/O Link Interface Address Pinning
R688 HPM High-Performance Process Manager Service 175
December 2020 Honeywell
Zero-ohm resistor jumper pinning example
I/O Link Interface address configuration using zero-ohm resistor jumpers is demonstrated with the
following 7-Slot card file example.
Refer to Figure 85 to locate the card file resistor jumper area in the following discussion.
An I/O card file is to be configured for an I/O Link Interface hardware address of 3. The Operator
Console will display this card file’s address as 4. Remove all the plug jumpers and set them aside. A
logic one is created by leaving the zero-ohm resistor in place and a zero is created by removing the
zero-ohm resistor. Leave the zero-ohm resistors at positions 1 and 2 (1 + 2 = 3), and leave the P (parity)
zero-ohm resistor because an odd number of jumpers is required. Remove all other zero-ohm resistors
with diagonal cutters.
Even though the jack number (J28 in this case) differs between the 7 and 15-Slot card files, the method
of pinning the card file address remains the same.
Figure 87 Left 7-Slot Card File I/O Link Interface Address Pinning with Zero-Ohm
Resistors
If a zero-ohm resistor jumper is incorrectly removed, do not attempt to correct the
problem by resoldering the jumper. The backpanel is easily damaged. Instead, remove all
the zero-ohm resistor jumpers and configure the card file’s I/O Link Interface address with
the plug jumpers.
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