User`s manual

7-33
[3] Communication format
When a command from a host computer is received, the communication port (PG/COMM1, PG-COMM2,
EA-PG) of JW-300 operates according to the received command, and sends the response. When an
error occurs while processing, it returns error response.
PG/COMM1
PG/COMM2
▲
PULL
電池交換
時期
This
battery
expires
電池の交換
は５分以内
に行ってく
ださい
Exchange
the battery
within
５minutes.
ＲＵＮ
ＦＬＴ
ＣＭ１
ＣＭ２
ＵＳＢ
Ｃ
Ａ
Ｒ
Ｄ
←
Ｆ
Ｆ
Ｏ
ＳＶ
ＰＲＯＴＥＣＴ
ＩＮＩＴ
ＲＥＳＥＴ
Host computer
(1)
(2) ((3))
JW-3
**
CU
JW300
PG/COMM1
port
PG/COMM2
port
(1) Command
(JW300 Host)
Command content
Sum check area
(2) Response
(JW300 Host)
(3) Error response
(JW300 Host)
A
D
A
D
?
R
I
Response content
(H)(L)
A
D
A
D
#
R
I
(H)(L)
A
D
A
D
%C
R
R
I
(H)(L)
E
C
E
C
(H)(L)
S
C
S
C
(H)(L)
C
R
S
C
S
C
(H)(L)
C
R
S
C
S
C
(H)(L)
Sum check code (00 to FF (H) , 2 digits) *
Error code (00 to 33
(H) , 2 digits) *
Response time (0 to F
(H) , 1 digit)
? --- Express command
# --- Express response
% --- Express error response
Slave station number (00 to 37
(8) ), 2 digits) *
Start of command, response, and error response.
* "(H)" means upper digit. "(L)" means lower digit.
- The EA-PG port also has the same communication format above.
Ending code of command, response,
and error response.