User`s manual
Directions for use
7-15
7
As for the detail of each command, see "List of commands" on pages 7-19, and "Computer link" section of
user's manual of link module JW-21CM.
(1) Communication format
When a command from a personal computer is received, the communication port of JW-32CUM1
operates according to the received command, and sends the response. When an error occurs while
processing, it returns error response.
11
11
1 Communication format of command (personal computer to JW30H)
22
22
2 Communication format of response (JW30H to personal computer)
Error response where an error occurs
[2] Communicate with a personal computer
The following instructions are available for communicating between the JW30H (Control module: JW-
32CUM1) and a personal computer. There are three type of command; read out command, write
command and control command.
JW30H
1
2
JW-32CUM1
PG/COMM1
PG/COMM2
JW-32CUM2
DN
-
1
DN
-
1
NODE
ADDRESS
UNIT NO.
(0-6)
DN
-
2
DN
-
2CU
FLT
CM1
CM2
PULL
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
X10
X1
SCAN
ON
OFF
TERMINATOR
DN-SX.X CU-SX.X
Personal computer etc.
?
Command content
(H) (L)
Sumcheck area
(H) (L)
C
R
A
D
A
D
S
C
S
C
R
I
Response content
Sumcheck area
#
(H) (L)(H) (L)
C
R
A
D
A
D
S
C
S
C
R
I
Sumcheck area
%
(H) (L)(H) (L)
C
R
A
D
A
D
(H) (L)
E
C
E
C
S
C
S
C
R
I
Command
Read out command
Write command
Control command
Contents
Messages that a personal computer transmits to the JW30H when it
reads out data from the JW30H.
Messages that a personal computer transmits to the JW30H when it
reads out data from the JW30H.
Messages that a personal computer transmits to the JW30H when it
reads out data from the JW30H.