Further topics
•
•
"Configuring external device monitoring (EDM)", page 65
7.4.3
Cascading pre-configured devices
Overview
The individual safety light curtains can be used as single systems after disconnecting
them from the cascaded systems if they are connected via a system plug for single sys‐
tems.
If a device that may have already been configured is used to extend a cascade or
replace a (defective) device in a cascade, it may need to be reset.
Table 11: Overview of in which cases deactivating the configuration is necessary for cascading
systems
The twin stick should be used as a:
Single system
or host in pro‐
tective opera‐
tion
Single system
or host in pro‐
tective opera‐
tion with reset
Single system
or host in pro‐
tective opera‐
tion with EDM
Guest
The twin stick
was config‐
ured with:
Unconfigured
–
–
–
–
Reset
C
–
C
–
EDM
C
C
–
–
Important information
DANGER
Danger caused by ineffectiveness of protective device
b
Check the effectiveness of the protective device after every change to the system.
Approach
1.
Install and wire the device.
2.
If necessary, reset the devices to be used as hosts,
.
3.
With the present wiring, reconfigure EDM (automatic) or RES (manual) on the host
on the twin stick, if necessary.
4.
Switch on the voltage supply.
✓
The device is in operation.
Further topics
•
"Configuring beam coding", page 63
•
7.5
Status indication on both sides
The OSSD status and the status of the protective field are indicated via LEDs on every
twin stick.
7
CONFIGURATION
72
O P E R A T I N G I N S T R U C T I O N S | miniTwin4
8012624/10OM/2018-08-09 | SICK
Subject to change without notice