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MODBUS Communication

– Hold Register DO

TI 12J06J01-00EN-P

Address

Item name

Data type

Access

Value / description

4613

Measurement Temp. max

Float

R/W

The maximum measurement tempera-
ture of the sensor

Remark:
1) Sensor precision is only specified

within the

range 0…+50°C

D: +100°C

4615

Calibration Temp. min

Float

The minimum value of the temperature
calibration range

D: 0°C

4617

Calibration Temp. max

Float

The maximum value of the temperature
calibration range

D: +50°C

4677

Hours out of Measurement Temperature
Range

Float

Accumulated hours in which the sensor
was out of the defined measurement
temperature range (see registers
HR4611 and HR4613)

D: 0

4679

Hours out of Operating Temperature
Range

Float

Accumulated hours in which the sensor
was out of the defined operating
temperature range (see registers
HR4607 and HR4609).

D: 0

4895

Pressure Value Raw

Float

Measured pressure value in hPa (mbar)

4897

Reference Amplitude Value Raw

Float

Reference amplitude raw value in µV

4899

Oxygen Amplitude Value Raw

Float

Measured oxygen amplitude raw value
in µV

4901

Oxygen Phase Value Raw

Float

Measured oxygen phase shift in degrees

4903

Temperature Value Raw

Float

Measured temperature value in the unit
defined in HR2409

4905

Calculated Oxygen Value

Float

Calculated Oxygen Value in the unit
defined in register HR2089

4907

Measurement Error

Uint32

For details see Section 3.1

Содержание DO71

Страница 1: ...l Dissolved Oxygen model DO71 DO72 Information MODBUS Communication TI 12J06J01 00EN P Yokogawa Process Analyzers Europe B V TI 12J06J01 00EN P 1st Edition Euroweg 2 3825 HD Amersfoort The Netherlands...

Страница 3: ...rs Europe B V TI 12J06J01 00EN P Contents Introduction 4 1 General 5 1 1 MODBUS setup 5 1 2 Function code Exception code 5 1 3 MODBUS communication 6 1 4 Connection 6 2 MODBUS map 8 2 1 Hold Register...

Страница 4: ...xygen sensors model DO71 and model DO72 IM 12J06J01 00EN P for details of the parameters and connections Latest revision of the User s Manual can be downloaded from the website https www yokogawa com...

Страница 5: ...ment Slave address 1 Serial Profile 19200 bps 8 data bits No parity 2 stop bits NOTE Slave address and Serial Profile are configurable as explained in this document In case of using multiple Optical D...

Страница 6: ...The Optical Dissolved Oxygen sensor s HR HOLD Register response to a HOST HR Read request is within 100ms The timing in between a response and a new request must be at least 10ms Figure 1 3 Timing di...

Страница 7: ...tion 12 yellow RS485 Data B 11 green RS484 Data A 13 white Power GND 10 brown Power VDC 14 transparent Cable shield Probe body Table 1 4 2 DO72 connection definition Terminal pin no WU10 V D xx Wire c...

Страница 8: ...CDAB ASCII character set using one byte per character multiple registration possible little endian byte swap CDAB Access load import to multiple data types such as Float Uint32 ASCII etc must be impl...

Страница 9: ...de 16 bytes 8 addresses 2089 Oxygen unit Uint32 R W 0x 0000 0010 vol O2 0x 0000 0020 air saturation 0x 0000 0040 ppb g L 2 0x 0000 0080 ppm mg L 2 0x 0400 0000 mol L 2 0x 0800 0000 DO saturation 0x 20...

Страница 10: ...y default this is the Persistent Pressure Comp value register HR3153 3153 Persistent Pressure Comp Value Float R W Default setting for compensation pressure value in hPa mbar Remark 1 Do not use this...

Страница 11: ...d 0x 0000 0007 115200 baud Remark 1 Setting is effective immediately D 19200 L 4800 H 115200 4103 Reserved Uint32 R 4105 Reserved Uint32 R 4107 Parity Uint32 R W 0x 0000 0000 Even parity 1 Stop bit 0x...

Страница 12: ...ensor was out of the defined measurement temperature range see registers HR4611 and HR4613 D 0 4679 Hours out of Operating Temperature Range Float R Accumulated hours in which the sensor was out of th...

Страница 13: ...19999 H 0 19999 4915 Reserved Uint32 R D NaN 4917 Sensor Constant dPhi2 Float R W Sensor constant dPhi2 Remark 1 The default value is printed on the Quality Inspection Certificate Q I C L 0 19999 H 0...

Страница 14: ...alues or the manually set temperature value will be written in the registers for Cal0 register HR5521 and T0 register HR5523 5181 Low Calibration Point Timestamp Uint32 R The timestamp the last low po...

Страница 15: ...Oxygen concentration unit defined in HR5535 at the high oxygen calibration point L 0 001 H 299 999 5529 Cal 2nd Float R W Calibration value of Phase shift at the high oxygen calibration point L 10 01...

Страница 16: ...reboot this timestamp is reset to 0 and must be set again to a value representing local time 2 Register is automatically incremented every second 3 Timestamp will be saved to the applicable calibratio...

Страница 17: ...000008 Signal channel overflow Signal amplitude too high Decrease signal current 4 0x00000010 Reserved 5 0x00000020 Reserved 6 0x00000040 No sensor calculation Amplitude too low Signal amplitude is to...

Страница 18: ...ion 0 0x00000000 Reserved 1 0x00000002 Reserved 2 0x00000004 Temperature value too low while calibrating the low point 3 0x00000008 Temperature value too high while calibrating the low point 4 0x00000...

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