Hazardous Locations; Appendix: Reconciling Model Numbers - Honeywell SmartLine SLG 700 User Manual

Hazardous Locations

Warning: When installed as explosion-proof or flame-proof in a hazardous location, keep
covers tight while the transmitter is energized. Disconnect power to the transmitter in the non-
hazardous area prior to removing end caps for service. When installed as non-incendive or
non-sparking equipment, disconnect power to the transmitter in the non-hazardous area, or
determine that the location is non-hazardous before disconnecting or connecting the
transmitter wires.
Product Approvals: All replacement sensor electronic modules are built according to the
same quality and regulatory processes as the original transmitter parts and complete
transmitter. Deviating from these instructions, or using other replacement parts, may
invalidate the product approvals marked on the transmitter nameplate.
Hi-Pot (Dielectric Strength) Test: The replacement sensor electronic modules are hi-pot
tested at the factory prior to shipment, using a voltage of 850 V for 1 second. If applicable
standards for the installation still require a hi-pot test after device repair, the voltage shall not
exceed 600Vac or 850Vdc between loop terminals and case. The hi-pot test will fail with
lightning protection terminal assemblies installed. The hi-pot test must only be performed
with a non-lightning protected terminal assembly installed in the transmitter during the test.
The Hi-Pot test may be performed on the transmitter electronics, before re-installing on the
process connector.

Appendix: Reconciling Model Numbers

If a spare sensor electronics housing has been used in a transmitter, it will likely have a model
number which does not match the model number stored in the COMM electronics. This will
cause an error.
Using three-button interface and display:
The error can be identified by selecting
Monitor

Non-critical errors
To clear this error, select
Monitor

Model Number
The Sensor Model Number and the Communication Model number can be displayed. To
clear the error, a Matching Source will have to be selected. In most cases this will be the
COMM module; however, in some cases Sensor module can be selected. The Do Match must
be selected to clear the fault.
Refer to the User's manual for instructions on using the three-button interface.
Page 140
o The error will appear as Model Number Mismatch
SLG 700 SmartLine Level Transmitter User's Manual
Revision 8