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E2658-C2H4 

Rev 12.03.2021 

 

 

17 

0x0006 

6 / 40007  RW  Response delay, ms 

1...255 

10 

0x0007 

7 / 40008  RW  Stop bits, parity bit * 

1 – No parity bit, 1 stop bit 
(default after factory reset) 

2 – No parity bit, 2 stop bits 
3 – Odd parity, 1 stop bit 
4 – Even parity, 1 stop bit  
NOTE​: 3 and 4 are available 
starting from the Software 

version 0x218 (dec. 536) 

0x0008 

8 /40009  R  Last error code 

1...255 

0x0011  17 / 40018  RW 

Technological:  
age of last data in seconds 
(read) / restart (write) 

0...65535 s (read),  
writing 42330 restarts the 
instrument 

0x00A5 

165 / 

40166 

RW  Zero adjustments for gas 

data, ADC 

-32000...+32000 ADC units 

0x00A6 

166 / 

40167  RW 

Slope adjustment for gas 

data 

1...65535 

512 

0x00A7 

167 / 

40168  RW 

The change rate limit for 

gas units / s 

1...32000, 0 - no limit 

0x00A8 

168 / 

40169  RW 

Integrating filter time 

constant, s 

1...32000 (seconds),  

0 - no filter 

Address  Reg / MHR  RW  Description 

Supported values (dec) 

Default 

0x00C9 

201 / 

40202  RW 

Parameter tied to analog 
output 1 

0 – None 
2 – Gas concentration 
9 – Forced Modbus control,   
       value set in MHR / 40204 

0x00CA 

202 / 

40203  RW 

Parameter tied to analog 
output 2 

0 – None 
2 – Gas concentration 
9 – Forced Modbus control,  
       value set in MHR / 40205 

0x00CB 

203 / 

40204  RW 

Forced value for analog 

output 1*** 

0...1000  

(0.0%...100.0% of output 
scale) 

0x00CC 

204 / 

40205 

RW  Forced value for analog 

output 2*** 

0...1000  
(0.0%...100.0% of output 
scale) 

Summary of Contents for E2658-C2H4-230

Page 1: ...PluraSens Ethylene Detector Transmitter E2658 C2H4 User Manual...

Page 2: ...Sensor probe handling 10 Gas sensor replacement procedures 10 Electrical connections 11 Operation 13 Maintenance 13 Calibration 13 Delivery set 14 Order code for E2658 C2H4 options 14 Configuring 15...

Page 3: ...m 3 Boiling point 103 7 C Low explosive limit LEL vol in air 2 7 Upper explosive limit UEL vol in air 36 0 Odor Faint sweet odor when pure Odor threshold 270 600 ppm so the odor is not an adequate war...

Page 4: ...assignment OUT1 2 gas OUT2 2 gas Output scale width 10 resolution Recommended 20 100 of the detection range Load resistance R L Us 2 V 22 mA for 4 20 mA R L 250 kOhm for 0 10 V mode Digital interface...

Page 5: ...4 EN 60079 29 1 2016 EN 60079 29 2 2015 EN 60079 29 3 2014 Operating conditions 20 50 C up to 100 RH 0 9 1 1 atm Explosion safe zones and ATEX Zones 2 and 22 Avoid strong mechanical shock vibrations o...

Page 6: ...or power supply The version of your detector is marked on the package If the symbol is marked on the equipment consult the documentation for further information Safety requirements Misuse will impair...

Page 7: ...urther instructions and related information about the installation During the installation of the detector transmitter the following points must be considered Application air quality control or leakag...

Page 8: ...the sealed area of the device see dimensional drawing Unscrew four lid screws and detach the lid from the detector Fix the detector on the wall and earth the enclosure using an earthing terminal on th...

Page 9: ...E2658 C2H4 Rev 12 03 2021 Mounting dimensions Front view Bottom view 9...

Page 10: ...since this may damage the sensor Do not remove the filter as it may cause the device to show incorrect values and or break the sensor The recommended orientation of the sensor probe is vertical with...

Page 11: ...er supply and of the external devices Without turning on the power plug the power cable and connect the analog relay outputs and or digital interface terminals to the necessary devices according to th...

Page 12: ...g to an external RS485 network Both analog outputs can be independently changed between 4 20 mA and 0 10 V type using jumpers J1 OUT1 and J2 OUT2 By closing pins on a specific jumper the related outpu...

Page 13: ...the conformity to IP66 protection class and ATEX requirements Make certain that the device is properly earthed The device is ready to use Maintenance Do not perform any maintenance operation with the...

Page 14: ...2658 Mounting accessories 2 screws with plastic dowels Order code for E2658 C2H4 options 14 E2658 options Order code Integrated 90 265 V mains power supply module E2658 C2H4 230 Integrated 24 VAC powe...

Page 15: ...xible setting of analog output scales for each output Output zero and slope adjustment for calibration Free assignment of each of two relays to the chosen parameter Several relay control logic modes S...

Page 16: ...rameter Permitted values Default Supported baud rates 1200 2400 4800 9600 19200 38400 57600 9600 Data bits 8 8 Parity none odd even none Stop bits 1 2 1 Protocol Modbus RTU Modbus functions 03 Read mu...

Page 17: ...C 32000 32000 ADC units 0 0x00A6 166 40167 RW Slope adjustment for gas data 1 65535 512 0x00A7 167 40168 RW The change rate limit for gas units s 1 32000 0 no limit 0 0x00A8 168 40169 RW Integrating f...

Page 18: ...lay RE1 0 1000 s 0 0x00D8 216 40217 RW Switching delay for relay RE2 0 1000 s 0 0x00D9 217 40218 RW Minimal on off time for relay RE1 0 1000 s 0 0x00DA 218 40219 RW Minimal on off time for relay RE2 0...

Page 19: ...RO bit 1 0 1 analog outputs deactivated activated bit 2 0 1 in case the sensor is absent turn signaling off on analog output1 bit 3 0 1 in case the sensor is absent turn on signaling with low current...

Page 20: ...0 1 1 Hz 50 on 50 off LED signal off on if relay1 turned on bit 12 0 1 2 Hz 50 on 50 off LED signal off on if relay2 turned on 0x0101 257 40258 R Raw gas sensor data 0 4095 ADC units 0x0103 259 40260...

Page 21: ...Manufacturer will at its option either repair or replace a product that proves to be defective This warranty is void if the product has been operated in conditions outside ranges specified by the Manu...

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