Manual 26489V1
Vertex-Pro Motor-Driven Compressor Control
Woodward
31
Chapter 6.
Discrete I/O Modules
6.1—Introduction
There are one type of discrete I/O module currently available with the Vertex-Pro.
This is the 48/24 Discrete Combo module (48 discrete inputs, 24 discrete
outputs) only.
6.2—48/24 Discrete Combo Module
6.2.1—Module Description
A 48/24 Discrete Combo module contains circuitry for forty-eight discrete inputs
and twenty-four discrete outputs. These modules have no potentiometers and
require no calibration. A module may be replaced with another module of the
same part number without any adjustment. There are two different FTM I/O
configurations for the 48/24 Discrete Combo Module.
Configuration 1 consists of one 48/24 Discrete FTM connected to the 48/24
Discrete Combo module via two High Density Analog/Discrete cables. The 48/24
Discrete FTM is then connected to either two 16Ch Relay Modules or one 32Ch
Relay Module via a Low Density Discrete Cable(s).
Configuration 2 consists of two 24/12 Discrete FTMs (DIN rail mounted)
connected to the 48/24 Discrete Combo module via two High Density
Analog/Discrete cables.
The discrete inputs are optically isolated and accessible through either the 48/12
Discrete FTM or the 24/12 Discrete FTM depending on the configuration. The
discrete outputs are accessible through either the 24/12 Discrete FTM or the two
16Ch Relay Modules or the one 32Ch Relay Module when so configured. See
Figures 8-2 and 8-7 for examples of configurations.
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