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DANGER
Hazard due to lack of effectiveness of the protective device
In the event of a voltage drop, the safety locking device unlocks regardless of whether
the dangerous state of the machine has ended.
b
Assess the risk of accident. Use for protecting people requires correct project plan‐
ning.
3.2.2
Locking device monitoring
All variants feature at least 1 positive opening normally closed contact for locking
device monitoring. The output state changes when locking or unlocking the locking
device.
Variants with 2 positive opening normally closed contacts for locking device monitoring
are recommended to protect people.
3.2.3
Door monitoring
All versions feature 3 contacts for door monitoring. 2 contacts are positive opening nor‐
mally closed contacts. 1 contact is a normally open contact. The output state changes
when opening or closing the protective device.
3.2.4
Status indicators
The safety locking device outputs the status of the locking device using the light emit‐
ting diode.
Table 1: Status LEDs
Light emitting diode
status
Meaning
O
Voltage is present on the magnet for the locking device.
With standby current locking principle: locking device unlocked.
With operating current locking principle: locking device locked with
inserted actuator.
o
No voltage is present on the magnet for the locking device.
With standby current locking principle: locking device locked with
inserted actuator.
With operating current locking principle: locking device unlocked.
3.3
Symbols on the product
Table 2: Symbols on the product
Symbol
Meaning
Positive opening normally closed contact for locking device moni‐
toring
Positive opening normally closed contact for door monitoring
3.4
Manual unlocking
In some situations, it necessary to unlock the locking device manually (e.g. is faults are
present). After unlocking, a function test must be performed.
Mechanical unlocking mechanism
With the mechanical unlocking mechanism, the safety locking device can be unlocked
regardless of the status.
PRODUCT DESCRIPTION
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8020558//2017-02-14 | SICK
O P E R A T I N G I N S T R U C T I O N S | i200 Lock
9
Subject to change without notice