Technical Specification - GDS 404 Series Operating Handbook

Technical Specification

NUMBER OF CHANNELS
ONE, TWO, THREE OR FOUR CHANNELS
OUTPUTS
Common Relays - user selectable
High alarm RL2 - D.P .C.O. normally energised or de-energised - factory set de-energised
Latched or unlatched - factory set latched
Low alarm RL1 - D.P .C.O. normally energised or de-energised - factory set de-energised
Latched or unlatched - factory set latched
Fault alarm RL3 - S.P .C.O. normally energised or de-energised - factory set de-energised
Latched or unlatched - factory set latched
Global Alarm Relay RL4 - S.P .C.O. changes on all alarms and is resettable at all times.
Channel Relays
High and low alarm S.P .C.O. normally energised or de-energised
- factory set de-energised
Latched or unlatched - factory set latched
All contacts rated 3A/230v AC
Analogue output 4~20mA into 200 ohms max load
SENSOR CABLE
Flammable (catalytic) - 3 core, 1.5mm screened cable, mineral insulated copper sheathed or steel wire armoured –
maximum cable loop resistance 20 ohms.
Toxic/Oxygen – 3 core 0.5 mm screened cable, mineral insulated copper sheathed or steel wire armoured – maximum
cable loop resistance 200 ohms.
POWER SUPPLY
230, 110v, AC 50/60Hz. or 24v DC (21-30 volts tolerance)
POWER CONSUMPTION
Per channel
Normal operating condition
Full alarm condition
OVERLOAD PROTECTION
1A fuse - AC
1 amp anti-surge fuse - DC
2 amp anti-surge fuse - Batteries.
ACCURACY
±5% F.S.D
REPEATABILITY
±2% F.S.D
ENVIRONMENTAL
Ambient operation temp.
Storage temperature
Humidity range
Case Ingress Protection
MISCELLANEOUS
CE Cert No.
Dimensions
Weight
ADD ON OPTIONS:
Standby battery 1 hour - Field installation - position the batteries so that they are supported by the plastic base block
and then retained using the tywrap, connect the battery connectors to terminal blocks JP11 and JP12.
3w
4.5w
0 to 50 degrees centigrade
-20 degrees to +60 degrees centigrade
0 to 90% RH
IP52 - Option IP65
C511
310mm wide x 265mm high x 75mm deep
3.5kg
4