HEIDENHAIN TNC 407 (243 020) Service Manual - Manual (Page 103)

SERVICE MANUAL TNC
Issue: 01.09.1995
Page 85
17.4.3 Flow Diagram: TNC 415
Output: “Control
Ready for Operation”
Switch off Switch off Switch
Communication Geometry
Input: Acknowledgement
“Control Ready for Operation”
I I
I I I I I I I
I
1 3 3 3
max. max. max. I
114 ms 114 ms
Time
Remarks Error Message
1
POWER INTERRUPTED
2
Waiting for control voltage RELAY EXT. DC VOLTAGE MISSING
3
After switching off the output “Control Ready
for Operation”, the “Acknowledgement Control
YX
Ready for Operation” must be switched off
Communication processor
within 146 ms; otherwise a blinking error
Geometry processor
message is generated.
1. CLP processor
4 If the acknowledgement is switched off during EMERGENCY STOP
operation, the error message is displayed.