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   Automatikprodukter

Ammonia detector - Manual

NH3/ENH3

    

April.10

Electrochemical Transmitter

9

Figures Connection Diagram

Two-wire

 connection by 4-20mA without option

Three-wire

 connection

- Vdc outputsignal

- 0-20mA output signal

- Relay output

- LCD display

- Heating

Connection

 field bus

 and tension GCD Gas Controller

Connection analog transmitter 

Field bus

Two or three wire connection, depending on transmitter
type.

Summary of Contents for ENH3

Page 1: ...ulation of Control Voltage 5 3 CalibrationwithGCD 05ServiceTool 5 4 CalibrationwithGCD 05ConfigurationandCalibrationSoftware 5 5 Addressing only for GCD 05_Bus Mode 5 6 Option relay output 6 Inspectio...

Page 2: ...the gas controller The cable topology for the RS 485 bus can be taken from the Guidelines for wiring and commissioning of the GCD 05 hardware The two control modes are available in parallel 2 2 Sensor...

Page 3: ...sensor for maintenance and calibration work Duct mounting Mount only in a straight section of duct with minimum air vortex Keep a minimum distance of 1 m 3 5 feet from any curve or obstacle Mount onl...

Page 4: ...ures for test gas bottles according to TRGS 220 NH3 calibration gas is toxic never inhale the gas Symptoms at high concentrations Loss of motility and consciousness Procedure if exposed Get the victim...

Page 5: ...t starting point 0 60 mV at starting point 20 before calibration there is no correction of the measuring signal The sensor has to be replaced Remove calibration adapter carefully by turning lightly In...

Page 6: ...the sensor has to be replaced Further information can be taken from the user manual of the GCD 05 Service Tool 5 4 Calibration with GCD 05 Configuration and Calibration Software Connect the PC via USB...

Page 7: ...ss 0 inactive inactive inactive inactive 1 01 16 31 46 2 02 17 32 47 3 03 18 33 48 4 04 19 34 49 5 05 20 35 50 6 06 21 36 51 7 07 22 37 52 8 08 23 38 53 9 09 24 39 54 A 10 25 40 55 B 11 26 41 56 C 12...

Page 8: ...ment out of original packing Plug in sensor element into the PCB at X3 Plug in carefully the PCB into terminal block X4 X5 Calibrate according to section 5 7 Troubleshooting 7 1 Analog Mode Trouble Ca...

Page 9: ...munication at the transmitter Transmitter not addressed check bus wiring incl topology and termination Voltage 16 V ____________________________________________________________________________________...

Page 10: ...Hydrogen H2 200 ppm 0 ppm Sulphur dioxide SO2 20 ppm 7 ppm Hydrogen sulphide H2S 20 ppm 7 ppm Nitrate monoxide NO 20 ppm 1 ppm Nitrogen dioxide NO2 20 ppm 20 ppm Chlorine Cl2 20 ppm 55 ppm Carbon dio...

Page 11: ...d Cableentry Standard 1 x M 20 Wireconnection Screw type terminal min 0 25 max 2 5 mm2 Wire distance Current signal ca 500 mVoltage signal ca 200 m Guidelines EMC Directive 89 336 EEG CE Warranty 1 ye...

Page 12: ...ection Diagram Two wire connection by 4 20mA without option Three wire connection Vdc outputsignal 0 20mA output signal Relay output LCD display Heating Connection field bus and tension GCD Gas Contro...

Page 13: ...T ool R1 X5 Zero Option Relay Anal Output VDC mA Anal Output Start Point 20 0 Function Relay R2 NO NC NC NO Option Manual Calibration Option Manual Addressing Position 4 3 2 1 5 4 3 2 1 1 2 3 4 5 6 7...

Page 14: ...miliar with proper installation techniques and with codes standards and proper safety procedures for control installations and the latest edition of the National Electrical Code ANSI NFPA70 It is also...

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