User`s manual

19-2
Computer Link
19
19-2 Data flow
Specify the CCD-TRIG (camera 1) or the PARALLEL (parallel interface) as the source of the MEAS INP
I/F (measurement start input) signal.
See Chapter 17 "Setting the Input/Output Conditions."
The data flow for a measurement start input (CCD trigger/parallel) signal and an object type change
command (parallel) is shown below.
IV-S30
Measuring
1 Enter measurement start signal.
(CCD trigger/parallel)
3 Receive a completion response.
2 Write measurement data.
PC
2,3: Computer link
CCD camera or PC
The block of measurement data to be written from the IV-S30 to the PC, in step , can be specified on
the "OBJ-TYPE I/O" screen.
See page 17-23.
When a Sharp PC is connected
The IV-S30 sends write enable command (EWR) to the PC in the following cases.
- When the power is applied to the IV-S30.
- When a Sharp PC is selected.
- When a write mode nonconformity error (code 10(H)) occurs after a result write command (WRG) is
transmitted (when the power is disconnected from the PC).
When a Mitsubishi, OMRON, or Yokogawa PC is connected
The data in items and are divided into packets for transmission.