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2. Product Description
Dräger RailGard is a freely programmable controller unit for the connection of up to
six sensors. Gases of different types can be monitored. The unit can be operated
with 1, 2, 3 or 4 alarm thresholds. Depending on the version, Dräger RailGard
provides up to six relays. Four of these can be set according to the customer
requirements; two relays are fixed – one for activating an acoustic alarm (e.g. horn)
and one for indicating fault conditions.
Sensors
Control unit
GDS-S6
Input
4-20 mA
Output
A
optical acoustical actuators
B C D E F
Possible configurations (e.g. with Dräger RailGard-S6):
1 alarm threshold 6 sensors 4 alarm groups
2 alarm thresholds 6 sensors 2 alarm groups
3 alarm thresholds 6 sensors 1 alarm group
4 alarm thresholds 6 sensors 1 alarm group
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