If multiple instruments need a ground reference the four positions of TB2 can serve as those ground points (assuming the JP17-JP20) jumpers are intact. If more than four grounding screws are needed then a custom wire from TB2 to a separate terminal block can allow for more grounding screw positions.
Brand：HONEYWELL Model number：620-0071
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: USA
Price: Please contact us Product weight：0.22kg
hipping Port: China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Servce: Professional Sales provides 24 hours /7 days online service
620-0071 Honeywell Programmable controller Brand new
ATTENTION
The fuse, F1, can be removed or replaced only after verifying that the location is nonhazardous.
To re-install the FOE IOTA F1 fuse
1. Using the fuse and cap from section 13.3.3, place the fuse in the fuse cap and insert it back
into the fuse holder on the IOTA board.
2. Tighten the fuse cap rotating it clockwise a quarter-turn, using a small slotted screwdriver.
3. This completes the procedure.
13.3.7 Connecting the fiber optic cables to the FOE module
ATTENTION
Unused optical ports should always have protective covers on them to prevent dust and
other contaminants from accumulating on the glass fiber optic interfaces.
Fiber-optic ST-type connectors may be removed, or replaced, while active and in a Zone 2 or
Division 2 hazardous area.
Clean and inspect the fiber optic cable endfaces per IEC-61300-3-35 at time of installation or
any time the fiber cables are removed and reinstalled into the FOE Tx/Rx ports. Do not skip
this critical step. A 200x/400x optical fiber microscope is required for verification. Failure to
meet specification may result in communication errors or undesired operation.
Prerequisites
Before connecting the FOE module's power cable to the module:
Refer to FOE connection rules.
To connect the FOE cables to the FOE module
1. Ensure the dust caps are removed from the ST optical ports on the FOE module. Remove the
dust caps by rotating the cap counter-clockwise to disengage from the locking tab.
.
.
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