ICS-7-OEM Instruction Manual
02058-53-000
Page 27 of 29
Issue 3 19 January 2021
10.2 Resuming Operation after an Interlock Switch has been
opened
When any interlocked door is opened or the emergency stop button is activated, the ICS-7-OEM will
cut the power to the laser or the shutters and the ‘System Armed’ lights will be extinguished. To
resume laser operation:
1)
Open the Arm contacts.
2)
Close all interlocked doors (where necessary). Note LED state on front panel.
3)
Reset the emergency stop button (where necessary).
4)
When ready to restart, close the external Arm contacts.
N.B. Be aware that this action restores power to the shutters or the laser, and may result in
accessible laser beams, depending on your system set up. This action should only be taken when
everyone is ready and the necessary safety precautions have been taken e.g. protective eyewear etc.
11
Fuses
The ICS-7-OEM has two protection fuses which might blow if there is a fault or wiring error. Both are
indicated on the label (see fig. 1) and have removable plastic covers for protection. Their ratings are
as follows:
Main 24V power supply fuse
4A T 20 x 5mm
24V Expansion power fuse
3.15A T 20 x 5mm
Electronic trips are used to protect the power supplies to the A and B safety loops. If the A and B
safety loops are crossed over, one or both of these circuits will trip. When the fault is cleared, the
trips may be reset by cycling the +24V power to the unit.
