Evikon PluraSens E2638 Series User Manual
Ethylene oxide detector-transmitter
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Summary of Contents for Evikon PluraSens E2638 Series
- Page 1 ® PluraSens Ethylene Oxide Detector-Transmitter E2638-ETO User Manual...
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Page 2: Table Of Contents
E2638-ETO Rev 10.03.2021 Table of contents Ethylene oxide Specifications Product description Safety requirements Operating conditions Installation guidelines Mounting dimensions Sensor probe handling Gas sensor replacement procedures Electrical connections Operation Maintenance Calibration Delivery set Order code for E2638-ETO options Configuring Return to default settings Modbus RTU Communication RS485 communication interface Communication parameters... -
Page 3: Ethylene Oxide
E2638-ETO Rev 10.03.2021 Ethylene oxide Ethylene oxide is a highly reactive, toxic, and flammable colorless gas and one of the most important raw materials used in large-scale chemical production. It is used also as a sterilant and fungicide. Other names: epoxyethane, ethylene oxide, dimethylene oxide, oxacyclopropane, 1,2-Epoxy ethane. -
Page 4: Specifications
E2638-ETO Rev 10.03.2021 Specifications Sensor type Electrochemical cell Sampling method Diffusion Typical detection range 0...20 ppm 0...100 ppm Maximum overload 100 ppm 200 ppm Resolution / digital unit 0.1 ppm 1 ppm Outputs scale 0-200 0-100 Response time T90 < 120 s <... - Page 5 E2638-ETO Rev 10.03.2021 Relay option 2 × SPST relays (closing contact), Output relays 250 VAC / 30 VDC, 5 A max Default alarm setpoints LOW: 2 ppm/ 1.6 ppm HIGH 5 Determined by user (set/release) ppm/ 4 ppm within 5-95% of the range Signalling options Visual Red and green LEDs...
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Page 6: Product Description
E2638-ETO Rev 10.03.2021 Product description E2638 series detectors-transmitters belong to the PluraSens® family of multifunctional measurement instruments. The instruments utilize gas sensors of various types with excellent repeatability, stability, and long lifetime. E2638 series provides two independent analog outputs OUT1 and OUT2, user-selectable to 4-20 mA or 0-10 V, proportional to gas concentrations. -
Page 7: Operating Conditions
E2638-ETO Rev 10.03.2021 Operating conditions The device should be used both in a non-hazardous area and in a basic electromagnetic environment, where the latter is defined in EN 61326-1. Avoid strong mechanical shock and vibrations. Avoid corrosive atmosphere and areas highly contaminated with dust, oil mist, etc. -
Page 8: Mounting Dimensions
E2638-ETO Rev 10.03.2021 Mounting dimensions Front view Bottom view... -
Page 9: Sensor Probe Handling
E2638-ETO Rev 10.03.2021 Sensor probe handling The E2638 series devices are available with a remote probe. The remote probe is connected to the main unit with a shielded cable. The default remote probe cable length is 3 m. Wall mount remote probe with fixing clamp (default version), Remote probe with rubber flange and three self-tapping screws (on request) The sensor probes of all types are equipped with a hydrophobic microporous PTFE filter to protect the sensor from dust, dirt, and water drops. -
Page 10: Electrical Connections
E2638-ETO Rev 10.03.2021 Electrical connections Unscrew four lid screws and detach the lid from the device. Use two M16 cable glands to let in the cables of the power 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 the relevant connection diagram. - Page 11 E2638-ETO Rev 10.03.2021 The screwless quick connect spring terminals on the E2638 series devices are suitable for a wide range of wires with a cross-section of 0.2...1.5 mm . We recommend to strip the wire end by 8...9 mm and use wire end sleeves. To connect the wire, insert the wire end into the terminal hole.
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Page 12: Operation
E2638-ETO Rev 10.03.2021 Operation Turn on the power. The instrument warm-up time takes about 30 minutes after switching on and the final sensor stabilization time to maximum accuracy takes about 12 hours, but depending on the device condition it might take longer to stabilize. The operating status is indicated by the LED on the PCB of the device. -
Page 13: Delivery Set
E2638-ETO Rev 10.03.2021 Delivery set Detector-transmitter E2638 ● Mounting accessories: ● 4 screws with plastic dowels ○ Fixing clamp for remote probe version ○ Order code for E2638-ETO options E2638 options Order code Remote probe, 3 m cable E2638-ETO-RP33-3 Remote probe, 10 m cable E2638-ETO-RP33-10 Duct mount option, stem Ø35×L230 mm E2638-ETO-DM... -
Page 14: Configuring
E2638-ETO Rev 10.03.2021 Configuring A standard configuration kit includes a USB-RS485 converter, fixed flow regulator, gas tubing with applicators, and a software pack. Please contact your Seller for more information. Detectors-transmitters E2638 share all functionalities of the PluraSens® multifunctional platform. The features and options include: ●... -
Page 15: Modbus Rtu Communication
E2638-ETO Rev 10.03.2021 Modbus RTU Communication RS485 communication interface Databits: 8 Supported Modbus functions: Parity: none / odd / even 03 – Read multiple registers Stop bits: 1 or 2 06 – Write a single register Protocol: Modbus RTU Communication parameters Parameter Permitted values Default... - Page 16 E2638-ETO Rev 10.03.2021 1200, 2400, 4800, 9600, 19200, 0x0005 5 / 40006 RW Baud rate * 9600 38400, 57600 0x0006 6 / 40007 RW Response delay, ms 1...255 1 – No parity bit, 1 stop bit (default after factory reset) 2 –...
- Page 17 E2638-ETO Rev 10.03.2021 0 –none 2 – gas concentration 211 / Parameter tied to relay 0x00D3 9 – control by Modbus 40212 control, state set in MHR / 40214 0 – none 2 – gas concentration 212 / Parameter tied to relay 0x00D4 9- –...
- Page 18 E2638-ETO Rev 10.03.2021 0 – none 220 / 0x00DC RW Control logic for relay RE2 1 – relay on at high values 40221 2 – relay on at low values 3 – relay on at values within the range 4 – relay on for the values out of the range 221 / LOW setpoint for relay...
- Page 19 E2638-ETO Rev 10.03.2021 bit[8]=0/1 – LED deactivated/activated bit[9]=0/1 – buzzer deactivated/activated bit[10]=0/1 - LED is on/off in normal condition bit[11]=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 257 /...
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Page 20: Warranty
Manufacturer or damaged by customer error or negligence or if there has been an unauthorized modification. Manufacturer contacts Evikon MCI OÜ Teaduspargi 7/9, Tartu 50411 Estonia info@evikon.eu...