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Serial Communications 3104
REC XXXXX
3-31
data LSB
xxx
crc16 lo
xxx
crc16 hi
xxx
Example 1 :
The Host wants to receive the LOW WEIGHT SET (address 125 dec) ::
High weight set : :
20.0 %
Address
of
Slave: 01
HOST
(PLC)
SLAVE
(3104)
01H 03H 00H 7CH
Æ
00H 02H 05H D3H
Å
01H 03H 04H 00H 00H 41H A0H CAH 1BH
Exceptions
:
The instrument handles the following exceptions :
Illegal address
exception code = 2
address is not correct or number of
registers
overlaps
the
max
limit
(42).
QUERY
Address xxx
function
10H
add.hi
xxx
add.lo
xxx
n.data hi
xxx
n.data lo
xxx
n. bytes
xxx
data MSB
xxx
… xxx
data LSB
xxx
crc16 lo
xxx
crc16 hi
xxx
REPONSE MESSAGE
Address xxx
function
10H (90H in case of error)
add. hi
xxx
add. lo
xxx
n. data hi
xxx
n. data lo
xxx
crc16 lo
xxx
crc16 hi
xxx
Example 1 :
The Host wants to write the LOW WEIGHT SET (address 125 dec) to 20.0 % :
Batch Set point :
100.0 Tons
Address
of
Slave: 01
HOST
(PLC)
SLAVE
(3104)
01H 10H 00H 7CH 00H
Æ
02H 04H 00H 00H 41H
A0H C4H F6H
Summary of Contents for Ramsey Micro-Tech 3000 Series
Page 2: ......
Page 4: ...Revision History Preliminary December 2003 Manual first released ...
Page 14: ...Serial Communications 3104 REC XXXXX 2 2 Figure 2 1 COMM A Board ...
Page 16: ...Serial Communications 3104 REC XXXXX 2 4 Figure 2 3 Serial Connection RS232 ...
Page 17: ...Serial Communications 3104 REC XXXXX 2 5 Figure 2 4 Serial Connection RS485 ...
Page 20: ...Serial Communications 3104 REC XXXXX 2 8 Figure 2 5 Mother Board Area of Detail ...
Page 58: ......
Page 60: ......