Model 2302-V001
RESISTOMAT
®
Page 41
Brief guide
Operation
Calibration
Test and offset
instructions
RS232 data
output
Introduction &
applications
Description of functions
Accessories and Circuit diagram
RS232 data
output
pr
(stands for: parameter read, W1/R instruction)
The value of the requested parameter is to be transferred from the addressed device.
Par.-No.
Meaning
Value range
1
Parameter number
>=0
Example:
Master transmits:"Slave at address 00. Send me the
current value of parameter 33!"
C
D
00prC
B
33C
C
<B>
<B>: Block check character
<EOT>00pr<STX>33<ETX><B>
Slave responds:
"Message understood. The value of parameter 33 is 3.147"
C
B
33 3.147C
C
<B>
<B>: Block check character
<STX>33 3.147<ETX><B>
Master responds:
"Message understood"
C
F
<ACK>
pw
(stands for: parameter write, W2R instruction)
Program parameters are to be changed by the addressed device.
2-parameter instruction
Par.-No. Meaning
Value range
1
Parameter number
>=0
2
Setting
Integer, floating-point number or
string in the case of string
parameters (8, 9, 50).
Example:
Master transmits: "Slave at address 00. Set parameter 3
to 1.005."
C
D
00pwC
B
3 1.005C
C
<B>
<B>: Block check character
<EOT>00pw<STX>3 1.005<ETX><B>
Slave responds:
"Message understood."
C
F
<ACK>