Appendix A - Lightning Protection Module; Scope; Product Description - Emerson Fisher FLOBOSS 407 Instruction Manual

FloBoss 407 Instruction Manual
APPENDIX A — LIGHTNING PROTECTION MODULE
A.1 SCOPE
This appendix describes the Lightning Protection Module (LPM) used with Remote Operations
Controller (ROC) and FloBoss units. Topics covered include:
Information

Product Description

Initial Installation
Connecting the LPM to Wiring
Troubleshooting and Repair
Specifications
A.2 PRODUCT DESCRIPTION
Figure A-1 shows a front and side view of the module. The LPM is designed to prevent damage to I/O
modules and to built-in I/O circuitry from any high-voltage transients that may occur in field wiring.
The LPMs plug into the field wiring I/O termination sockets located on the termination card.
The LPM provides screw terminals for connecting to field wiring. It has sockets for plugging in a range
resistor, especially when used with built-in I/O. The module also provides a ground wire for
connection to the enclosure ground bar.
FRONT VIEW
Rev 5/00
BUILT-IN FIELD WIRING
LPM-2
TERMINATION BLOCK
}
I/O WIRING
CONNECT GREEN WIRE
TO ENCLOSURE GROUND
BAR OR GROUND LUG
Figure A-1. Lightning Protection Module
Section Page Number
A.2
A.3
A.4
A.5
A.6
SIDE VIEW
DOC0138A
A-1
A-2
A-3
A-4
A-4
A-1