Communication Module DVPSCM12/52-SL
DVP-PLC Operation Manual
19
If the absolute position of the present value of the Delta DTA temperature controller is the hexadecimal
value, 4700 (H’4700), and the station address is 10, the present value can be read and stored in D100 in
the MPU of the PLC through COM1 on the SCM module. The settings are as follows:
【Downloading】
After the setting is complete, check whether the other parameter settings conform to the slave setting.
Then, click “Download”.
【Communication state】
The SCM module provides the communication state of MODBUS Advance. There are four sections ─
Read Bit, Read Word, Write Bit, and Write Word. The execution status in each line is stored in the bits in
the data registers. If D100 is entered into No.1, the execution status of the data exchange in No.1 will be
displayed in the first bit (b0) in D100, and by analogy, the execution status of the data exchange in No.2 will
be displayed in the second bit (b1) if D100 is entered into N0.2.
Dn
Bit b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
No. 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
D (n+1)
Bit b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
No. 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
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