Output Format Of Measured Values; Data Transmission; Pin Assignment - wtw photolab S12 Operating Instructions Manual

15. RS 232 C interface

15.3 Output format of measured values

Character Meaning
3 consecutive number (not required for
interface commands CMES, CEXT and
CBLA)
5
method designation
6
I. D. number
17 date and time
4 special characters
9
meas. value
10
unit
12
citation
4 AQA ID (AQA2/AQA1)
4 dilution factor

15.4 Data transmission

Baud rate
Data bits:
Stop bits:
Parity:
Handshake:
Max. cable length

15.5 Pin assignment

Photometer
9-pin socket
1
2
3
4
5
6
7
8
9
66
4800
8
1
none
Hardware
15 m
Computer
9-pin socket
4
3
2
1 and 6
5
4
8
7
Notes:
Data fields are separated by spaces.
Character set: IBM, code page 437
Meaning of the special characters:
! = Measuring with blank value (concentration) or
reference absorbance (absorbance)
t/T = Measurement with turbidity correction/with high
turbidity
* = Measured value outside the measuring range
Q = AQA measurement
Printer
25 pin plug with RS 232 C interface
20 -
2 TXD
3 RXD
6 -
7 SG
20 -
5 -
4 DTR (if not available:
short-circuit CTS and RTS )
- -