Honeywell Series 8 I/O - 9.2 FOE Installation; Handling components - ESD

9. Series 8 I/O Link Fiber Optic Extenders (FOE)
9.2. FOE Installation
244 Series 8 I/O User's Guide R500
Honeywell April 2017
Feature
Description
Relative
humidity
0% to 90% RH
Fiber type
Multimode
Fiber core diameter 62.5 mm Fiber cladding diameter 125
mm Connector type ST type
Power supply
options
20 to 30V at 85mA to 74mA max
Ambient
temperature
Operating: -20 to +70 degrees C Storage : -20 to +85
degrees C
Fiber Optic redundancy
Series 8 links are redundant; FOE modules are always installed in pairs for possible link
A and B connections. Therefore, two independent fiber cables (one for Link A and one
for Link B) are required between each local and remote connection.
9.2 FOE Installation
The procedures in this guide assume that you have completed all pertinent planning
activities as outlined in the Control Hardware Planning Guide.
Handling components - ESD
Electrostatic discharge can damage integrated circuits or semiconductors if you touch the
connector pins.
ESD HAZARD
Follow these guidelines when you handle a module.
• Touch a grounded object to discharge static potential
• Wear an approved wrist-strap grounding device
• Do not touch the connector pins
• If available, use a static safe workstation
Work practices
General
Before installation, follow the work practices mentioned below when performing general
tasks.