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MIW-ODXT-RU-000 - 21 / 12 / 2018 9 - 10
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ТАБЛИЦЫ РЕГИСТРОВ MODBUS
INPUT REGISTERS
Data type Description Data Values
1Temperature level signed int. Actual temperature level -550—800 250 = 25,0 °C
2-10 Reserved, returns 0
11 Output value unsigned int. Value of the analogue output 0—1.000 0 =
1.000 =
0 %
100 %
12 Relay status unsigned int. Relay status. When it is On, the contact between COM1 and NO1 is closed. 0—1 0 =
1 =
Off
On
13 Temperature range unsigned int. Temperature working range selected by jumper or holding register 1—5
1 =
2 =
3 =
4 =
5 =
-55—45 °C
-40—60 °C
-30—70 °C
-20—80 °C
Custom
14 Setpoint signed int. Setpoint selected by holding register -550—800 250 = 25,0 °C
15 Hysteresis unsigned int. Hysteresis for the relay switching selected by jumpers or a holding register 1—5
1 =
2 =
3 =
4 =
5 =
1 °C
2 °C
3 °C
4 °C
5 °C
16 Setpoint out of range unsigned int. Flag that shows if the temperature setpoint is out of the working range 0—1 0 =
1 =
No
Yes
17-19 Reserved, returns 0
20 Sensor communication lost unsigned int. Flag that shows if the communication with sensor module is lost 0 —1 0 =
1 =
No
Yes
HOLDING REGISTERS
Data type Description Data Default Values
1Device slave address unsigned int. Modbus device address 1—247 1
2Modbus baud rate unsigned int. Modbus communication baud rate 1—4 2
0 =
1 =
2 =
3 =
4 =
5 =
6 =
4.80 0
9.600
19. 20 0
8.40 0
57.60 0
115.20 0
230.400
3Modbus parity unsigned int. Parity check mode 0—2 1
0 =
1 =
2 =
8N1
8E1
8O1
4Device type unsigned int. Device type (Read only) ODXTX = 1066
5HW version unsigned int. Hardware version of the device (Read only) XXXX 0 x
0100 = HW version 1.0
6FW version unsigned int. Firmware version of the device (Read only) XXXX 0 x 0100 = SW version 1.0
7Operating mode unsigned int. Enables Modbus control and disables the jumpers and
trimmers 0—1 00 =
1 =
Standalone mode
Modbus mode
8Output overwrite unsigned int. Enables the direct control over the outputs. Always
settable. Active only if holding register 7 is set to 1. 0—1 00 =
1 =
Disabled
Enabled
9-10 Reserved, returns 0
11 Temperature range unsigned int. Selects the temperature working range. Always settable.
Active only if holding register 7 is set to 1. 1—5 1
1 =
2 =
3 =
4 =
5 =
-55—45 °C
-40—60 °C
-30—70 °C
-20—80 °C
Custom
12 Minimum custom
temperature range signed int.
Minimum value of the custom temperature range. Always
settable. Active only if holding register 7 is set to 1 and
register 11 is set to 5.
-550—Max 0100 = 10,0 °C
13 Maximum custom
temperature range signed int.
Maximum value of the custom temperature range. Always
settable. Active only if holding register 7 is set to 1 and
register 11 is set to 5.
Min—800 500 500 = 50,0 °C
14 Setpoint signed int. Selects setpoint for the relay switching. Always settable.
Active only if holding register 7 is set to 1. -550—800 250 250 = 25,0 °C
15 Hysteresis unsigned int. Selects the hysteresis for the relay switching. Always
settable. Active only if holding register 7 is set to 1. 1—5 4
1 =
2 =
3 =
4 =
5 =
1 °C
2 °C
3 °C
4 °C
5 °C
16-20 Reserved, returns 0
21 Analogue output overwrite
value signed int. Overwrite value for the analogue output. Always settable.
Active only if holding registers 7 and 8 are set to 1. 0—1.000 00 =
1.000 =
0 %
100 %
22-29 Reserved, returns 0
22-29 Modbus network resistor
termination (NRT) unsigned int. Sets the unit as and end unit of the line / or not by
connecting NRT 0—1 00 =
1 =
NRT disconnected
NRT connec ted
Если хотите узнать больше о протоколе обмена данных Modbus пожалуйста, посетите: http://www.modbus.org/docs/Modbus_over_serial_line_V1_02.pdf
ДАТЧИК / ПЕРЕКЛЮЧАТЕЛЬ
НАРУЖНОЙ ТЕМПЕРАТУРЫ
ODXT