5 Installation and Commissioning
5.5 Cabin Safety System Connections
82 3HNA009834-001 en Rev.06 Product Manual, Control Cabinet IRC5P
5.5.5 System 2 Interlock
General The System 2 Interlock chain can be used to interlock an optional system 2 and/or
bell turbine rotation.
System 2 is typically used for one of the following functions.
– Controlling paint pumps if material for the paint applicator is supplied by pumps.
– Controlling the DCU if the CBS system is used.
The system 2 interlock can also be used to interlock the bell cup rotation if the bell
applicator is used.
Description To activate the chain, following functions must be active in addition to the Manual
Pump Interlock switch:
– Cabin interlock A/B: Cabin interlock chain A and B must be closed.
– CPU pump & HW enable: Control systems are running and OK.
– Emergency stop: Emergency stop must not be activated.
– Pump fuse: Pump fuse must not have tripped.
Connections To install the System 2 Interlock switch, install a switch at terminals marked
‘System 2 Interlock’ in connector SCB-X3 pin 5-6 as shown in Figure 34 and in
principle diagram in Figure 35. The switch must be of a Normal Open fail safe type
which will be opened to disable system 2 functions.
The switch must comply with ’Safety System Standards’ on page 65.
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