248
GRT1-CT1(-1) Counter Units
Section 7-4
Pulse/Direction Counting
The following figure illustrates the operation of pulse/direction counting.
Up/Down Counting
The following figure illustrates the operation of up/down counting.
■
Action on Input Rising Edge and Action on Input Falling Edge
Select the action to be executed on the rising or falling edge of the digital input
(Z-phase input).
■
Action upon Bus Error
Select the action to be executed when a bus error occurs.
■
Action upon Bus Idle
Select the action to be executed when the bus goes idle (i.e., when an error
occurs in host communications, such as a DeviceNet or PROFIBUS error).
■
Default Settings
Press the
Default Setting
Button on the
General
Tab Page to set the following
default values.
2
2
1
1
0
0
7
6
8
7
6
5
5
4
4 3
3
Input A
Input B
2
2 1
1 0
0 7
6
8
7
6 5
5 4
4 3
3
Input A
Input B
Action
Description
No Action
No action is executed.
Capture
The Present Counter Value is stored in the Capture Value Register.
The captured value can be retrieved at any time using the Counter
Data Display Command Bit (bit 04 of word n+2).
Reset
The counter value is reset to 0.
Preset
The counter value is set to the preset value.
Action
Description
Outputs are
Cleared
The output status will be cleared until the bus error is removed, but the
counter value will still be updated according to the encoder inputs.
Outputs keep
functionality
The output status will continue to be updated and the counter value
will still be updated according to the encoder inputs.
Action
Description
Outputs are
Cleared
The output status will be cleared until the bus idle is removed, but the
counter value will still be updated according to the encoder inputs.
Outputs keep
functionality
The output status will continue to be updated and the counter value
will still be updated according to the encoder inputs.
Setting
Default value
Counter Input Mode
Phase differential
×
1
Action on Input Rising Edge
No Action
Action on Input Falling Edge
No Action
Summary of Contents for SmartSlice GRT1-Series
Page 1: ...Slice I O Units Cat No W455 E1 06 SmartSlice GRT1 Series OPERATION MANUAL ...
Page 2: ...SmartSlice GRT1 Series Slice I O Units Operation Manual Revised November 2007 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 13: ...xiv ...
Page 21: ...xxii EC Directives 6 ...
Page 63: ...42 Connecting Turnback Cables Section 3 3 ...
Page 109: ...88 Digital I O Units Section 4 6 ...
Page 251: ...230 Maintenance Information Window Section 7 3 Maintenance Information Window ...
Page 293: ...272 GRT1 CP1 L Positioning Unit Section 7 5 ...
Page 301: ...280 GRT1 END End Unit Section 8 5 Dimensions 11 9 11 9 55 7 1 5 19 5 83 5 2 9 2 9 OMRON ...
Page 323: ...302 Troubleshooting by Unit Section 9 5 ...
Page 351: ...330 Explicit Messages Appendix A ...
Page 355: ...334 Power Consumption and Weight Tables Appendix C ...
Page 357: ...336 I O Current Consumption Table Appendix D ...
Page 365: ...344 Revision History ...