SICK TR110 Lock, Operating Instructions Manual

Page: 12 / 68

Table 2: Status LEDs
Item Name Color
1
STATE Green
2
LOCK Yellow
3
DIA Red
The variants with 2 pushbuttons feature two LEDs in the pushbuttons. The LEDs of the
pushbuttons are controlled using two inputs.
3.3 Manual unlocking
In some situations, it necessary to unlock the locking device manually (e.g. if faults are
present). When unlocking, the safe output signal switching devices (OSSD) switch to the
OFF status. A stop command must be generated as a result.
Important information
NOTICE
After manual unlocking, a function test must be performed ( see "Testing", page 37 ).
3.3.1 Mechanical unlocking mechanism
Using the mechanical unlocking mechanism, the safety locking device can be unlocked
regardless of the status.
 
Figure 5: Mechanical unlocking mechanism
1
Retaining screw
2
Mechanical unlocking mechanism
3.3.2 Emergency release
The emergency release can be retrofitted as an accessory. The emergency release can
be used to actuate the mechanical unlocking mechanism without tools.
3
PRODUCT DESCRIPTION
12 O P E R A T I N G I N S T R U C T I O N S | TR110 Lock 8023119/15LY/2019-10-28 | SICK
Subject to change without notice