Automated Logic OptiFlex FIO User Manual

OptiFlex™ I/O Expanders (part no. FIO)
Automated Logic Proprietary and Confidential A Carrier Company. © 2022 Carrier.
Rev. 7/12/2022
All rights reserved.
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Symptoms of a blown fuse:
• Expander's power fuse—The expander’s Pwr LED is not lit.
• I/O bus edge connector fuse—The Pwr LED is not lit on downstream expanders connected to the
edge connector.
NOTE If the expander's power fuse blows but not its I/O bus edge connector fuse, the expander will be
off but not the downstream expanders.
If you suspect a fuse is blown, remove the fuse as described below, and use a multimeter to check it. If
the fuse is blown, try to determine why it blew before you replace it. Check the power wiring polarity of
the FIO expander and any other devices that share the power supply. Use the same polarity for all of
them.
The fuses are fast-acting, 5mm x 20mm glass fuses that you can purchase from one of the following
vendors:
Manufacturer
Mfr. Part #
for 2A fuse
Mfr. Part #
for 4A fuse
Littelfuse
Bussmann
Belfuse
Optifuse
0217002.HXP
S500-2-R
5SF 2-R
FSD-2A
0217004.HXP
S500-4-R
5SF 4-R
FSD-4A
To replace a fuse:
1 Turn off the FIO expander's power switch.
2 Do one of the following:
○ If the FIO expander is wired to an external power supply, remove the red power connector.
○ If the FIO expander is getting power through another device's I/O bus edge connector,
disconnect the expander from the edge connector.
3 On one end of the expander, insert a small flathead screwdriver as shown below, and then gently
pry up on the cover until it is released from the base.
4 Remove the cover from the base.
5 Use a fuse puller to remove the blown fuse.
6 Use the fuse puller to snap the new fuse into the fuse holder.

Automated Logic OptiFlex FIO Specifications

General

Brand	Automated Logic
Model	OptiFlex FIO
Category	Extender
Language	English