Unipulse F701-P, Руководство по эксплуатации

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58
9 RS-485 INTERFACE
58
R
S-4
85
IN
TE
R
FA
C
E
Chapter
9
- Communication type 7 (mode=3: Modbus-RTU)
Communication is performed by a request from the host computer.
(Communication protocol Modbus-RTU)
Various commands of R, W, and C are all ignored.
■
UNI-Format commands
■
Command communication formats
- Read the gross weight (sign, 5-digit weight, decimal point)
- Read the net weight (sign, 5-digit weight, decimal point)
- Read the tare (sign, 5-digit weight, decimal point)
* Without the decimal point, put the decimal point in after the 5-digit number (before the CR).
For transmission formats, see "
■
UNI-Format (continuous, auto)" on page 64.
Attention
About the timing for continuous transmission
According to the communication baud rate setting, the continuous
transmission intervals in the case where any of the communication modes
from 1 to 3 is selected are as follows:
Communication baud rate Continuous transmission interval
38400 bps 100 times/sec.
19200 bps 50 times/sec.
9600 bps 25 times/sec.
4800 bps 12 times/sec.
2400 bps 6 times/sec.
1200 bps 3 times/sec.
Point
Host
F701-P
N
R A
＋
1 0 0 0 0 . CR
O
LF
R CR A
IDNo.
I D
IDNo.
Host
F701-P
N
R B
＋
1 0 0 0 0 . CR
O
LF
R CR B
IDNo.
I D
IDNo.
Host
F701-P
N
R C
＋
1 0 0 0 0 . CR
O
LF
R CR C
IDNo.
I D
IDNo.