Operating Instructions
Transponder-Coded Safety Switch CTM-L2-AS1B
12
(translation of the original operating instructions) 2539116-02-09/21
9. Electrical connection
1 AS-Int
2 Auxiliary voltage 0 V
3 AS-Interface -
4 Auxiliary voltage 24 V
View of safety switch plug connector
4
3
1
2
Fig. 1:
Terminal assignment, AS-Interface M12 plug connector
9.1.
Notes about
Important!
Ì
This device is intended to be used with a Class 2 power source in accordance with UL1310.
As an alternative an LV/C (Limited Voltage/Current) power source with the following properties can
be used:
- This device shall be used with a suitable isolating source in conjunction with a fuse in accordance
with UL248. The fuse shall be rated max. 3.3 A and be installed in the max. 30 V DC power supply
to the device in order to limit the available current to comply with the UL requirements. Please note
possibly lower connection ratings for your device (refer to the technical data).
Ì
For use and application as per the requirements of UL
1)
a connecting cable listed under the UL
category code CYJV/7, min. 24 AWG, min. 80 °C, must be used.
1) Note on the scope of the UL approval: the devices have been tested as per the requirements of UL508 and CSA/ C22.2 no. 14 (protection against electric shock
and fire).
9.2.
Setting the AS-Interface address
The address can be set prior to or after mounting.
The AS-Interface address of the safety switch is set using an AS-Interface programming device. Addresses 1 to 31 are valid.
The unit is programmed by connecting the programming device to the M12 plug connector of the safety switch with a
programming cable.
Address 0 is the default setting on delivery (the AS-Interface LED flashes alternately red/yellow).
9.3.
Configuration in the AS-Interface safety monitor
(see operating instructions for the AS-Interface safety monitor)
9.3.1. Dual-channel conditionally dependent
The safety switch is configured in the AS-Interface safety monitor with the AS-Interface address set as follows,
for example:
Ì
Dual-channel conditionally dependent
Ì
Independent: In-1
Important!
The switch is monitored for a malfunction; the door monitoring must not switch before guard lock
monitoring. The guard does not have to be opened in this operating mode. Safety is provided again
when the guard locking is closed.
Cat.
4