Chapter 16 PLC Function Applications│CP2000
16-103
PLC controlling slave device
Serial
No.
Example
MODRW command
S1 S2 S3 S4 n
Node
ID
Functio
n code
Addres
s
Registe
r
Length:
1
Reads 4 sets of data comprising the
PLC slave device's X0 to X3 state, and
saves the read data in bits 0 to 3 of D0
K20 H2 H400 D0 K4
2
Reads 4 sets of data comprising the
PLC slave device's Y0 to Y3 state, and
saves the read data in bits 0 to 3 of D1
K20 H2 H500 D1 K4
3
Reads 4 sets of data comprising the
PLC slave device's M0 to M3 state, and
saves the read data in bits 0 to 3 of D2
K20 H2 H800 D2 K4
4
Reads 4 sets of data comprising the
PLC slave device's T0 to T3 state, and
saves the read data in bits 0 to 3 of D3
K20 H2 H600 D3 K4
5
Reads 4 sets of data comprising the
PLC slave device's C0 to C3 state, and
saves the read data in bits 0 to 3 of D4
K20 H2 HE00 D4 K4
6
Reads 4 sets of data comprising the
PLC slave device's T0 to T3 count
value, and saves the read data of D10
to D13
K20 H3 H600 D10 K4
7
Reads 4 sets of data comprising the
PLC slave device's C0 to C3 count
value, and saves the read data of D20
to D23
K20 H3 HE00 D20 K4
8
Reads 4 sets of data comprising the
PLC slave device's D0 to D3 count
value, and saves the read data of D30
to D33
K20 H3 H1000 D30 K4
9
Writes 4 sets of the PLC slave device's
Y0 to Y3 state, and writes the values as
bits 0 to 3 of D1
K20 HF H500 D1 K4
10
Writes 4 sets of the PLC slave device's
M0 to M3 state, and writes the values
as bits 0 to 3 of D2
K20 HF H800 D2 K4
11
Writes 4 sets of the PLC slave device's
T0 to T3 state, and writes the values as
bits 0 to 3 of D3
K20 HF H600 D3 K4
12
Writes 4 sets of the PLC slave device's
C0 to C3 state, and writes the values
as bits 0 to 3 of D4
K20 HF HE00 D4 K4
13
Writes 4 sets of the PLC slave device's
T0 to T3 state, and writes the values of
D10 to D13
K20 H10 H600 D10 K4
14
Writes 4 sets of the PLC slave device's
C0 to C3 state, and writes the values of
D20 to D23
K20 H10 HE00 D20 K4
15
Writes 4 sets of the PLC slave device's
D0 to D3 state, and writes the values of
D30 to D33
K20 H10 H1000 D30 K4
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