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E2618 series Modbus holding registers

Register addresses are shown 0-based, Addr in hexadecimal, Reg in decimal format.
Modbus holding register numbers MHR are shown in decimal 1-based format, and may be addressed either from 00001 or 40001 base.

Addr

Reg / MHR RW

Description

Supported values (dec)

Default

0x0001

1 / 40002

R

Hardware version

-

0x0002

2 / 40003

R

Software version

-

0x0003

3 / 40004

R

Product serial number

1...65535

-

0x0004

4 / 40005

RW

Slave ID (net address) *

1...247 **

1

0x0005

5 / 40006

RW

Baudrate *

1200, 2400, 4800, 9600, 19200, 38400, 57600

9600

0x0006

6 / 40007

RW

Response delay, ms

10...255

10

0x0007

7 / 40008

RW

Stop bits *

1, 2

1

0x0008

8 / 40009

R

Last error code

1...255

-

0x0011

17 / 40018

RW

Restarts counter

write ‘42330’ to restart device (no response will follow)

-

0x0091

145 / 40146 RW

Heater voltage pulse duration, ms

0...1000 ms

0

0x0092

146 / 40147 RW

Sensor voltage pulse delay, ms

0...995 ms (values 0...4 reserved to set sensor type)

0

0x0093

147 / 40148 RW

Sensor type specific parameter

0...65535

100

0x0094

148 / 40149 RW

Sensor type specific parameter

0...65535

100

0x0095

149 / 40150 RW

Sensor type specific parameter

-32767...+32767

32000

0x0096

150 / 40151 RW

Sensor type specific parameter

-32767...+32767

100

0x0097

151 / 40152 R

Sensor type code

0...65535

0

0x0098

152 / 40153 R

Output units code

0 - ppm, 1 - ‰, 2 - %

0

* - The new value is applied after restart.
** - Broadcast slave ID 0 can be used to assign a new ID to device with unknown ID. When addressing by ID 0 the device shall be the
only Modbus instrument in the network. The device will not respond to Master command when addressed by ID 0.
*** - This value is dynamic and not kept in EEPROM after restart

Summary of Contents for E2618-C2H2

Page 1: ...series devices are suitable for a wide range of wires with cross section 0 2 1 5 mm2 The recommended wire stripping length is 8 9 mm Push the spring loaded terminal lever insert the wire end into terminal hole and release the lever Use twisted pair cable e g LiYY TP 2 2 0 5 mm2 or CAT 5 to connect the device to RS485 network Use one pair for A and B wires and the second pair for common 0 V and pow...

Page 2: ...s been an unauthorized modification E2618 C2H2_UM_EN Rev 04 05 2016 General technical data Sensor type long life metal oxide gas sensor Calibration acetylene C2H2 Gas unit ppm Sampling method diffusion Detection range 0 100 LEL 0 25 000 ppm 0 2 5 vol Resolution 0 1 LEL 25 ppm 0 0025 vol C2H2 Accuracy 5 LEL 125 ppm 0 125 vol C2H2 Warm up time 1 min Signal update every 1 second Response time 15 seco...

Page 3: ...30 to restart device no response will follow 0x0091 145 40146 RW Heater voltage pulse duration ms 0 1000 ms 0 0x0092 146 40147 RW Sensor voltage pulse delay ms 0 995 ms values 0 4 reserved to set sensor type 0 0x0093 147 40148 RW Sensor type specific parameter 0 65535 100 0x0094 148 40149 RW Sensor type specific parameter 0 65535 100 0x0095 149 40150 RW Sensor type specific parameter 32767 32767 3...

Page 4: ...r absent turn on signaling with low current high current on analog output1 if bit 2 0 this bit will be ignored bit 4 0 1 in case of sensor absent turn signaling off on analog output2 bit 5 0 1 in case of sensor absent turn on signaling with low current high current on analog output2 if bit 4 0 this bit will be ignored bit 6 0 1 current voltage output detected on output1 read only bit 7 0 1 current...

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