Evikon E2618-CO2 User Manual

General technical data
Sensor type long-life nondispersive infrared (NDIR) sensor
Detected gase Carbon dioxide CO
2
Calibration Carbon dioxide CO
2
Sampling method diffusion
Detection range options 400...2000 / 5000 / 10 000 ppm
400...2000 ppm <± (50ppm +2% of measuring value)
Accuracy 400...5000 ppm <± (50ppm +3% of measuring value)
400...10000 ppm <± (100ppm +5% of measuring value)
Resolution 1 ppm
Gas unit ppm
Signal update every 15 seconds
Response time ~60 seconds
Self-diagnostics full functionality check at start-up
Power supply 11...30 VDC,
Power consumption < 2 W
Analog outputs 2 × 4-20 mA / 0-10 V, user settable, freely configurable
RS485, Modbus RTU protocol
Digital interface
no galvanic isolation, common-mode voltage -7...+12 V,
Cable connections screwless spring loaded terminals
Enclosure grey ABS, wall mount, protection class IP65
Dimensions H82 × W80 × D55 mm
Operating environment industrial indoor and outdoor locations
Operating conditions -40...+60 °C, 0...95 %RH, 80-120 kPa
Maintenance interval up to 5 years depending on sensor type
Sensor lifetime >15 years
CE marking meets 2014/30/EU and EN61326-1 requirements
E2618-CO2_UM_EN
RS485 communication interface
Databits: 8 Supported Modbus functions:
Parity: none 03 - read multiple registers
Stop bits: 1 or 2 06 - write single register
Protocol: Modbus RTU
Communication parameters
Parameter Permitted values
Supported 1200, 2400, 4800, 9600, 19200,
baudrates 38400, 57600
Data bits 8
Parity none
Stop bits 1, 2
Protocol Modbus RTU
Modbus functions 03 - read multiple registers
06 - write single register
Error codes 01 - illegal function
02 - illegal data address
03 - illegal data value
04 - slave device failure
(details of last error 04 can be read from register 0x0008)
Evikon MCI OÜ Riia 185, Tartu
Tel.: +372 733 6310 51014 Estonia
Rev 09.05.2016
Default
9600
8
none
1
Carbon dioxide transmitter
E2618-CO2
User manual
info@evikon.eu
www.evikon.eu