Siemens SINUMERIK 840C Diagnostics Guide

04/96

Siemens AG 2001 All rights reserved 6FC5198–jAB40
1–33
SINUMERIK 840C / SIMODRIVE 611–D (DA)
2064 Wrong programming of rounding axis Reset key
When executing a part program
S Interlocking of NC START
S Programmed path is not exited
S Machining stops
If a rotary axis is rounded to a half or whole degree, then the control monitors whether the rounding has been
maintained for the programmed positions.
S Program correct position in the rotary axis
S Check the machine data “Whole/half degree” and “Rotary axis”
S Check whether the interface signal “Clear distance to go” has been set, in which case no automatic rounding
takes place.
In the JOG modes, the control automatically rounds to valid values. In AUTOMATIC or MDA, the control only
monitors the programmed positions without itself carrying out rounding.
Alarm is displayed with reference to block and channel
2065 Progr. position behind SW limit switch Reset key
When executing a part program
S Interlocking of NC START
S Programmed path is not traversed
S Machining stops
The programmed end point of the block is beyond the software limit switch.
S Correct program
S Machine data “1st software limit switch plus”
S Machine data “1st software limit switch minus”
S Machine data “2nd software limit switch plus”
S Check machine data “2nd software limit switch minus” depending on the PLC interface signal “2nd software
limt switch active”
Alarm is displayed with reference to block and channel
2066 Thread increase/decrease too high Reset key
When executing a part program
S Interlocking of NC START
S Machining stops
A thread or lead increase or decrease of more than 16 mm/revolution
(0.6 inches/revolution) has been programmed.
S Program smaller lead increase/decrease
Alarm is displayed with reference to block and channel
2068 Position behind working area limitation Reset key
When executing a part program
S Interlocking of NC START
S Programmed path is not traversed
S Machining stops
The programmed end point of the block is beyond the working area limitation.
S Correct program
Alarm is displayed with reference to block and channel
Scan
Effect
Explanation
Remedy
Note
Note
Scan
Effect
Explanation
Remedy
Note
Scan
Effect
Explanation
Remedy
Note
Scan
Effect
Explanation
Remedy
Note
1 Alarms
1.5.1 Alarm description
07/97

Siemens SINUMERIK 840C Specifications

General

Brand	Siemens
Model	SINUMERIK 840C
Category	Control Unit
Language	English