9 data communication – Bowers Group Trimos Mestra Height Gauges User Manual
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9 Data communication
9.1 Data
transfer
All parameters for the data communication with the
instrument are defined in the Print menu. To open this menu,
press the Print key longer than 2 seconds. The selection and
activation of the different menu elements is done the same
way than described for the configuration menu.
> 2 sec.
To cancel the Print menu, press the Enter key longer than 2
seconds.
> 2 sec.
RS 232 N°1
The interface connection for data transfer is the D-Sub
connector, 9 poles, male (RS 232 N° 1, see § 2 Nb 32). It is
conform to the OptoRS standards and allows the connection
to external instruments as printer or computer.
Data transfer:
- Speed:
4800 baud
- ASCII code:
7 bits
- Parity:
even
- Stop bits:
2
- Handshake:
without
Print menu
1. Transfer of the entire buffer after pressing the Print key
Data format (point 2)
2. Transfer of the actual value (see point 4)
The value will be transferred in ASCII code:
A: Numbering of measurements
_: Space
B: Measuring mode
–: Sign –; no space between the sign and the value
The + sign is replaced by a space
C: At the right side aligned numerical value according to resolution
The missing digits at the left side are replaced by spaces.
D: Measuring unit (mm or in)
3. Transfer of numerical values only (see point 4)
The value will be transferred in ASCII code:
– 9 9 9 9 . 9 9 9 9 CR
- No space between the sign and the value
- The + sign is replaced by a space.
4. Automatic transfer or by pressing the Print key :
If the corresponding field has been activated, the values are transferred
only when the Print key will by pressed. If not, the values will be
transferred automatically after each measurement.
9 9 9 _ F F F F – 9 9 9 9 . 9 9 9 9 _ U U CR
A B
C
D
1
2
3
4