YASKAWA MP920 User Manual

B.3 General-purpose Messages
B-27
B
B.3.2 General-purpose Binary Mode
In through mode, the values for the Controller holding registers (MW registers) are set as the
application data, and data is sent and received.
B.3.3 General-purpose ASCII Mode
With ASCII mode, binary communications data is converted to ASCII before being trans-
mitted and received.
The following diagram shows an example of binary to ASCII conversion. As shown in the
example, 8-bit data is converted to two ASCII characters (7 bits).
(L)
(H)
n
Contents of
MW
n items of data from Controller holding registers MW

to MW+ n-1 are set and transmitted.
There is no response to the transmission.
Command
(L)
(H)
Contents of
MW+1
(L)
(H)
Contents of
MW+n-1
(L)
(H)
(L)
(H)
70
12H
34H
56H
78H
9AH
BDH
DEH
F0H
31H
34H
32H
33H
35H
38H
36H
37H
39H
43H
41H
42H
44H
30H
45H
46H
Command Command

YASKAWA MP920 Specifications

General

Brand	YASKAWA
Model	MP920
Category	Controller
Language	English