Publication 1766-RM001A-EN-P - October 2008
Using High-Speed Outputs
157
•
Set (1) - Whenever a PTO instruction is generating continuous Jog
Pulses
•
Cleared (0) - Whenever a PTO instruction is not generating
continuous Jog Pulses.
PTOX Error Code (ER)
PTOX ER (Error Codes) detected by the PTO sub-system are displayed in
this register. The error codes are shown in the table below:
Sub-Element
Description
Address
Data Format
Range
Type
User Program
Access
ER - Error Code
PTOX:0.ER
word (INT)
-3…7
status
read only
Pulse Train Output Error Codes
Error
Code
Non-Use
r Fault
Recoverabl
e Fault
Instructio
n Errors
Error
Name
Description
-3
No
Yes
Yes
Undefine
d Accel/
Decel
Acceleration Count and Deceleration not defined during going to run mode
when Accel/Decel Pulses Independent (ADI) is set (1).
-2
Yes
No
No
Overlap
Error
An output overlap is detected. Multiple functions are assigned to the same
physical output. This is a configuration error. The controller faults and the
User Fault Routine does not execute. Example: PTO0 and PTO1 are both
attempting to use a single output.
-1
Yes
No
No
Output
Error
An invalid output has been specified. Output 2, output 3 and output 4 are
the only valid choices. This is a configuration error. The controller faults and
the User Fault Routine does not execute.
0
---
---
Normal
Normal (0 = no error present)
1
No
No
Yes
Hardstop
Detected
This error is generated whenever a hard stop is detected. This error does
not fault the controller.
To clear this error, scan the PTO instruction on a false rung and reset the EH
(Enable Hard Stop) bit to 0.
2
No
No
Yes
Output
Forced
Error
The configured PTO output (2, 3 or 4) is currently forced. The forced
condition
must
be removed for the PTO to operate.
This error does not fault the controller. It is automatically cleared when the
force condition is removed.
3
No
Yes
No
Frequenc
y Error
The operating frequency value (OFS) is less than 0 or greater than 100,000.
This error faults the controller. It can be cleared by logic within the User
Fault Routine.
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