Douglas Lighting Controls WRS-2224 Manual de instrucciones - Página 3

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Introduction

WRS-2224 Programmable Relay Scanner
The WRS-2224 Scanner can be programmed so that when an input is signalled ON or OFF, it switches a
specific group of output relays ON or OFF. The WRS-2224 has 5 inputs and 24 relay outputs.
Each input can be have a unique relay group programmed to it. In addition to the basic ON and OFF
commands, an input can have the optional switching features of 'Flick-Warn' and 'Time-Out'.
Relay Output Connections
n
24 outputs, 12 per side.
The relay scanner can be programmed
n
with the built-in keypad to switch a group
of relay outputs when signaled by an
input. There are 5 groupings (5 inputs)
available.
Each group can support the FLICK WARN
n
switching option, while only one group
can be programmed to support the TIME
OUT option.
Digital Link Connection
Allows the scanner to be linked to a network or another system.
n
n
There are modules available for:
a. RS-485 Network on new line Proprietary
Communications Protocol;
b. FTT-10 Network on new line Lonworks
Open Standard Protocol.
WRS-2224: Directions & Applications
page 1
24V Transformer
Connections
Group Input Connections
n
5 available, each controlling one relay
group.
Up to 6 low-voltage switching devices can
n
be connected in parallel to each input
n
Separate electrically isolated 24V return
connections provided for groups 1, 2 & 3
and for groups 4 & 5.
DOUGLAS
lighting controls
.