Setting Jumpers - Emerson ControlWave Instruction Manual

ControlWave I/O Expansion Rack Instruction Manual

2.3.3 Setting Jumpers

Jumper Position
JP1 1-2
2-3
JP2 1-2
2-3
JP3 1-2
2-3
2-14
Depending upon how you are using the PSSM, you may have to change
one or more jumpers from their factor default positions. See Table 2-1
for a list of the jumpers and their functions; see Figure 2-10 for jumper
locations.
Table 2-1. PSSM Jumpers
Description
Enables the watchdog circuitry. This is the default. Watchdog wiring is discussed
later in this document.
Disables the watchdog circuitry.
Sets the PSSM as always the on-line unit.
This is the default. Use this setting if the PSSM is not installed in a redundant
system.
Specifies that the PSSM is part of a redundant system.
Choose this position if the PSSM is installed:
In a ControlWave Redundant Controller or
In a ControlWave Controller that is part of a redundant pair or
In a ControlWave I/O Expansion Rack that is part of a redundant pair.
Enables the 12V monitor.
This is the default. When enabled, the PSSM reports a failure when voltage falls
below 12V and lights the PWR Down LED to indicate the failure.
Disables the 12V monitor.
When disabled, the PSSM does not report a failure if voltage falls below 12V.
If you need to change the jumper positions, unscrew the protective case
from the PSSM using a Phillips screwdriver (see Figure 2-9).
Installation Revised Aug-2015