About Parallel Interface - Omron FH-1 series User Manual

11 What to Do!

11-2-4 About Parallel Interface

 Trigger signal (input signal) not accepted
• Are the cables connected correctly?
• Is the signal cable disconnected?
You can check the communication status in the Confirmation window.
Refer to Parallel Communications - Testing Communications in the Vision System FH/FHV/FZ5
Series User's Manual for Communications Settings (Cat. No. Z342)
• Are windows other than the Main screen (the Edit Flow window, etc.) displayed?
Are there any setting windows open?
* A setting window is defined as a window that opens separately such as the Edit Flow window
and the Scene Maintenance window.
 Signals cannot be output to external devices
• Is the trigger signal input?
• Are the cables connected correctly?
• Is the signal cable disconnected?
You can check the communication status in the Confirmation window.
Refer to Parallel Communications - Testing Communications in the Vision System FH/FHV/FZ5
Series User's Manual for Communications Settings (Cat. No. Z342).
• Is test measurement being performed?
Data cannot be output to external devices during test measurement.
 GATE signals are not output
Wiring:
• Are parallel cables wired correctly?
Please check if GATE signals are being recognized by the receiving side (such as the PLC) by
turning the GATE signal ON/OFF in the System - Communication - Parallel - Confirmation win-
dow.
Output setting:
• Is parallel judgement output or parallel data output set for the scene? Is an expression input for
parallel data output?
• GATE signals are not output unless these items are specified.
• Is [Output] set to ON in the layout setup?
Set whether to produce external outputs for each layout.
Timing:
• Are the parallel communication settings (output cycle and output time) set to a length sufficient for
the PLC to recognize?
• Could the System - Communication - Parallel output control be set to handshaking or synchroni-
zation output?
These settings influence the GATE output timing.
Refer to Parallel Communications - Time Charts in the Vision System FH/FHV/FZ5 Series User's
Manual for Communications Settings (Cat. No. Z342).
11 - 12
Vision System FH/FHV/FZ5 Series User's Manual (Z365)