Deselecting and requesting the safety function
ID 442181.07
18
Operating manual ASP 5001
5
WE KEEP THINGS MOVING
5.3
Request SS1
t
max
= application-dependent, maximum permitted delay time after which the relay coil must be shut off.
Request SS1
1. Turn off the controller enable.
A projected quick stop is performed (see
A44
parameter). When the quick stop is completed, the
feedback system of the control unit reports that the power unit is no longer enabled.
2. Switch off the signal at terminal X12.3/4.
The NC contact at terminal X12.1/2 is closed.
You have requested the safety function.
Device state
(
)
E48
1:S
wit
cho
n d
isa
ble
2:R
ead
y to
sw
itch
on
4:E
nab
led
7:Q
uic
k s
top
Enable
Response message
Control unit (
)
A900
Terminal X12.3/4
(Relay coil)
Terminal X12.1/2
(NC contact)
Reference value
Actual value
STO
t
max
Information
Note that when SS1 is requested, steps 1 and 2 must occur within a maximum permitted delay time
(t
max
). The maximum permitted delay time an integral part of the SS1 safety function. The duration
depends on your application.
