Yokogawa Button Operated MV2000 Uživatelský manuál Strana 48

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M-4662
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ReadingDataintoExternalInputChannels(RD-MV2000only)
The MV reads the data from the server device and enters the data into external input
channels in 16-bit signed integer format.
• Example1
Read a 16-bit unsigned integer value from instrument C’s register 30001 into external
input channel 201.
30001
201
16-bit unsigned integer
External input channel
Instrument C register
Command
R 201 - 201 3 30001 UINT16
• Example2
Read a 32-bit unsigned integer value from instrument C’s register 32001 and 32002
into external input channel 202. Specify the smaller register number in the command.
32-bit unsigned integer
32001
32002
202
External input channel
Instrument C register
Higher bytes
Lower bytes
Command
R 202 - 202 3 32001 UINT32 _ B
WritingMeasuredValuestoaServer
• Example
Write the measured value of channel 1 (16-bit signed integer) to instrument A’s
register 40001.
16-bit signed integer
Measurement channel
Instrument A register
001 40001
Command
W 001 - 001 1 40001 INT16
WritingComputedValuestoaServer
• Example
Write the computed value of channel 101 (32-bit signed integer) to instrument A’s
40001 and 40002 registers, lower 16 bits first and then higher 16 bits. Specify the
smaller register number in the command.
32-bit signed integer
Computation channel
Instrument A register
101
Lower bytes
Higher bytes
40001
40002
Command
W-R 101 - 101 1 40001 INT32_L
2.9Reading/WritingDataonAnotherDevicefromtheMVviaModbus
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