8.4 Read out actual
process data
Process data is read out using the read command followed by an ASCII zero (R0):
R0bcd
b:
Channel number (1..9, A..Z)
c:
Channel type (0=analogue (or BUS), 1=mathematic analogue, 2=digital)
d:
Type of measured value:
0=
instantaneous value
Answer: Answer code measured value
Answer code:
0:
o.k.
1:
Cable open circuit
9:
Fault
Measured value:
c=0 or 1, d=0:
Instantaneous value and status on c=0 or 1 (instantaneous value is 6 digit, filled with
zeros and end space characters if no comma required, Status: 0=O.K. 1=limit
infringement.
Example:
+000,0
0
/-0,123
1
/+,1234
0
/-1234
1
/+01,23
0
(Status in bold text)
c=2, d=0:
Instantaneous condition (0 or 1)
8. For experienced users: Serial interface RS 232/RS 422/RS 485 transmission protocols
108
