DEVICE DESCRIPTIONS
PROMATRIX System User Handbook 1.1 5-
5.4.4 DCS 409 CONTROL RELAY MODULE
The module is for mounting on the rear of PA-system rack-shelves or inside of suitable distribution boxes. It is
utilized for switching audio signals (at line level) or for control outputs.
Features
• 5 LF-relays, 2 switching contacts each, binding post for each contact
• Gold-plated contacts
• Additional ground potential binding posts for each relay's primary and secondary end
• 5 relay control-LED’s
• Configuration of the output distributor is performed through opening wire bridges
• 2 connectors for cascading up to 12 modules
• 2 binding posts for the connection of an external supply voltage source
Installation Note
Mounting the module and establishing the connections are solely admissible when performed in accordance to
VDE 0100 and EN 60065 regulations.
DCS 409 control relay module printed board assemblies need to be grounded at their fixing points (e.g. using a
metal bolt).
Specifications:
Description DCS 409 control relay module
Operating voltage 24 V DC, -10 / +30 %
Operating current, relay dropped 5.2 mA .. 7.8 mA
Operating current, relay dropped, at 24 V 5.5 mA
Operating current, all relays pulled 55 mA .. 80 mA
Operating current, all relays pulled, at 24 V 60 mA
Relay contacts:
Contact components 2 changers/ 2 SPDT
Contact material AgPd + 10µ Au
Contact load (ohmic load) 1 A / 24 V DC
Contact current, maximum 2 A
Operating temperature range +5° C .. +40° C
Dimensions (W x H x D) 160 x 17 x 100 mm
Weight 155 g
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