Detcon 1640-N4X - Manual (Page 7)

1640-N4X
1640-N4X Instruction Manual Rev. 0.0 Page 3 of 28
2.0 Unit Configuration
The Model 1640 is designed to monitor and display the status of up to 32 field sensor devices, provide power,
and programmable alarm outputs. The unit displays real time channel information on a 1” X 5” backlit LCD.
Display information includes the channel number, the gas type, and the gas concentration. The unit will also
display the current Alarm/Fault status via the front panel LED indicators.
The unit is equipped with a set of terminal blocks for A/C input, a set of terminal blocks for the connection of
the RS-485 Modbus™ and power to serial sensors, and a 5-pin plug for the connection of up to 8 Detcon DA4
Analog Sensor Modules that can be mounted inside the enclosure. Alarms are wire via 3-pin plugs directly to
the controller PCA.
2.1 Specifications
Capacity
User Configurable up to 32 devices, Analog and/or Serial
Input
RS-485 Modbus™ RTU (Analog Sensors communicate via the Detcon DA4 Modules)
Accuracy
±1% Full Scale Range
Outputs
User Configurable Relays:
4 relays (Fault, Alarm 1, Alarm 2, and Alarm 3)
Qty 4 Relays: 1 Form C Contacts per relay
Rated for 5A @ 30VDC, 5A @ 250VAC
RS-485 Modbus™ Slave
Power Input
100-240VAC
50~60Hz
Power Consumption
Base Unit <5W – Total Power is dependent on number of I/O modules, number of sensors, and the type
of sensors attached. Total power of the unit, with I/O modules and attached devices, not to exceed 200 Watts.
Display
1” X 5” Backlit LCD
Electrical Classification
NEMA 4X Enclosure
Dimensions
13.85''W x 15.75''H x 6.5''D
Operating Temperature Range
0°C to +45°C
Warranty
One
year