Moore Industries Hawke TRUNKGUARD Series, Руководство по установке

Страница: 8 / 11

8
TRUNKGUARD™ Series Fieldbus Device Couplers
(Zone 1 Locations)
TG300
CE Conformity
Installation of any Moore Hawke products that
carry CE marking must adhere to the guidelines in
Recommended Ground Wiring Practices section in
order to meet the EN 61326 requirements set forth in
applicable EMC directive.
ATEX Installation Drawing
The installation diagrams located in the back of this
manual must be used to augment the installation
instructions described earlier in this manual for units
that are to operate per ATEX requirements.
Then If
Check polarity of TRUNK IN
Check that voltage at TRUNK IN is >10V
Check for short circuits in the trunk cable
Check that the segment power supply is operating correctly
If Then
Disconnect that individual spur using DISCONN key
Check for a short circuit on that spur cable
Check for a core-to-shield fault on that spur cable
Locate and repair any spur fault before reconnecting that spur
All LEDs are OFF
Any red LED is
ON
Table 1.
LED Indications
Testing and Troubleshooting
Testing of the TG300 series should only be performed
in the safe area. Refer to Table 1 regarding LED
indications of fault conditions.
In the safe area , the following tests may be applied:
1. Apply fieldbus power supply of 10-30Vdc
to TRUNK-IN with no other trunk or spur wiring
connected.
Normal indications include:
GREEN LEDs: ON
YELLOW LEDs: OFF
RED LEDs: OFF
Active Auto Terminator LED: ON*
2. Insert DISCONN Key in to each spur one at a
time, switch key position and check that the YELLOW
LED turns ON, and the GREEN LED turns off.
Remove DISCONN Key and place in Key Park.
3. Check the Auto-Terminator* by putting a load
(1kohm, minimum) across the TRUNK OUT terminals.
The YELLOW LED should turn OFF.
Caution:
Do not short any terminals if power conditioner output
can be more than 800mA.
*Auto-terminator function not applicable with -MT option.