10.03
4.12 Terminals
4-146
Siemens AG, 2003. All rights reserved
SINUMERIK 840D/SIMODRIVE 611 digital, HLA Module (FBHLA) - 10.03 Edition
4.12 Terminals
Terminals are provided on connectors X431/X432 of the HLA module and X121
of the MS module for the purpose of implementing the ON/OFF conditions for
the HLA module.
The following overview shows the hierarchy of signals for enabling and disab-
ling the HLA.
Controller enable
term. 64
Controller enable
error
Servo enable NC
&
Velocity
setpoint
braking
ramp
Control word
controller enable
Timer
power
disable
Preset
Timer
power
enable
delay
Preset
&
OR
&
Power enable
term. 663
External 26.5 V
available
Power enable
term. 63
Power disable
error
Power enable
NC
Timer
output
value time
ON
Preset
Timer
run
down
&
&
Status
controller
enable
Status
power
enable
Timer
run
down
MD 5530
Bit 3=1
Timer
run
down
Control word
power
enable
Timer
output
value time
OFF
Preset
&
Timer
run
down
OR
&
MD 5530
Bit 4=1
MD 5530
Bit 0=1
SET
CLEAR
CLEAR
SET
24 V for shutoff
valve ON
24 V servo
solenoid valve ON
Fig. 4-18 Enabling logic on HLA module
The 24 V voltage for the shut-off valve and valve electronics is supplied from an
external source connected via the HLA module.
ON/OFF sequence
External 26.5 V
supply
4 Firmware Drive Functions
04.00