4 Data Descriptions
11.03
4.3 Interface signals
© Siemens AG 2003 All Rights Reserved
4-260
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
incorrectly configured, there is a delay up to the time
$MC_ESR_DELAY_TIME1 and $MC_ESR_DELAY_TIME2 compared to STOP
D until the braking operation is initiated.
After these times have expired, braking is initiated at the current limit.
An external STOP E in contrast to the other external stops, results in Alarm
27020, which can only be acknowledged with a reset. The program cannot be
directly continued, since retraction from the desired contour was performed by
the configured ESR. The reset required must also be taken into consideration
for the test stop sequence.
Description of signals from the monitoring channel
When internal pulse cancellation is used, the pulses are cancelled without
using the NCK I/O for the drive module involved (currently only possible for
611D Performance 2 modules). If bit 30 is set in
$MA_SAFE_PULSE_ENABLE_OUTPUT, the pulses are internally cancelled.
This SGA is used by the drive monitoring channel to signal the status of the
SBH and SG functions in the following way:
0 signal:
SBH/SG is not active
1 signal:
SBH/SG is active
This SGA controls terminal 663 to enable signals for the drive.
After the shutdown path test has been initiated via the SGE "test stop selection"
or if a limit-value is violated with a resulting STOP A response, this signal is
output to indicate that the drive pulses have been internally cancelled (refer to
Chapter 3 "Shutdown paths").
0 signal: Pulses are enabled
1 signal: Pulses are cancelled
This SGA indicates whether the relevant axis/spindle is safely referenced (refer
to Chapter 3.11.2, "Adjustment, calibration, axis states and previous history").
0 signal:
Axis is not safely referenced
1 signal:
Axis is safely referenced
These signals are used to indicate which plus or minus cam of cam pair 1, 2, 3
or 4 is "actuated".
0 signal:
Axis/spindle is located to the left of the cam
1 signal:
Axis/spindle is located to the right of the cam
SGA
external pulse enable
(from axis only)
SGA
SBH/SG active
SGA
enable pulses
(from axis only)
SGA
status, pulses
are cancelled
(from drive only)
SGA
axis safely referenced
SGA
SN1+, SN1-
SN2+, SN2-
SN3+, SN3-
SN4+, SN4-