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PluraSens​

® 

 
 

 

 

Sulfur Dioxide Detector-Transmitter 

E2648-SO2 

 
 

User Manual 

 
 
 
 
 

 

 

Summary of Contents for E2648 Series

Page 1: ...PluraSens Sulfur Dioxide Detector Transmitter E2648 SO2 User Manual...

Page 2: ...ns 8 Sensor probe handling 9 Gas sensor replacement procedures 9 Electrical connections 10 Operation 12 Maintenance 12 Calibration 12 Delivery set 13 Order code for E2648 SO2 options 13 Configuring 14...

Page 3: ...pm 2 62 mg m 3 Relative gas density to air 2 21 Boiling point 10 C Flammability Nonflammable Odor A characteristic pungent irritant odor similar to a just struck match Odor threshold From 0 266 mg m 3...

Page 4: ...4 20 mA 0 10 V user settable Outputs assignment OUT1 2 gas OUT2 2 gas Outputs scale width 10 resolution Recommended 20 100 of the detection range Cable connections Screwless spring loaded terminals E...

Page 5: ...s 2 SPST relays closing contact 250 VAC 30 VDC 5 A max Default alarm setpoints RE1 LOW set 2 ppm release 1 6 ppm RE2 HIGH set 5 ppm release 4 ppm Other options Remote probe Protection IP65 default cab...

Page 6: ...or 230 VAC as options for power supply module Remote probe The version of your detector is marked on the package If the symbol is marked on the equipment consult the documentation for further informa...

Page 7: ...nsiderably heavier than air the recommended location for the sensor is near the floor or leakage or formation source The device should be accessible for maintenance and repair The aforementioned condi...

Page 8: ...E2648 SO2 Rev 11 03 2021 Mounting dimensions Front view Bottom view 8...

Page 9: ...old filter Place a new filter into the cap and tighten it again NOTE Never stab or press the filter near its center where the sensor is located since this may damage the sensor Do not remove the filt...

Page 10: ...ly and of the external devices Attach the power cable to the device without turning it on Using the connection diagram below connect the analog outputs and digital interface terminals to the relevant...

Page 11: ...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 12: ...and fix it with the screws The device is ready to use Maintenance Do not perform any maintenance operation with the power on Clean the device with a soft damp cloth Do not use any abrasive cleaning a...

Page 13: ...ng clamp for remote probe versions Order code for E2648 SO2 options 13 E2648 options Order code Remote probe 3 m cable E2648 SO2 RP33 3 Remote probe 10 m cable E2648 SO2 RP33 10 Integrated 90 265 V ma...

Page 14: ...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 15: ...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 16: ...r 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 filter time constant s 1 32000 seconds 0 no filter 0 Address Reg M...

Page 17: ...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 1000 s 0 Address Reg MHR RW Description Supported values dec Def...

Page 18: ...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 high current on analog output1 if bit 2 0 this bit wi...

Page 19: ...dynamic and not kept in EEPROM after a restart 19 0x0101 257 40258 R Raw gas sensor data 0 4095 ADC units 0x0103 259 40260 R Gas concentration gas units signed integer 32000 32000 gas units 0x0105 261...

Page 20: ...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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