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ProKiln GAC400
PROBE GAS SAMPLING SYSTEM | OI/GAC400-EN REV. A
… 3 Design and function
… Control system
Figure 16: Retractor system control cabinet
Pos.
Component
Function
1
Emergency Stop
Stops all movements and air blaster blow-
back of probe
2
Probe In
Will move the probe in if system is in
manual mode
3
Probe out
Will move the probe out if system is in
manual mode
4
Safety switch probe
Will prevent all probe movements by
shutting down power to the motor
5
Distributed I/O’s
PLC I/O’s
6
Breakers
Solid state relays
7
Terminals
Wire connecting point
Retractor pneumatic cabinet
Figure 17: Retractor system pneumatic cabinet
Pos.
Component
Function
1
Valve manifold
Controls valves for flange shutter, heated
shut-off valve and pressure release (if
available).
2
Pressure alarm
Alarm for low compressed-air pressure
3
Ball valve
Compressed-air supply
User interfaces
Operation screen
The figure below shows a typical operation screen:
Figure 18: Operation screen
Screen areas
Pos.
Designation
Function
1
Mode
Displays the mode (AUTOMATIC, MANUAL)
2
System status
Displays the current system status (normal
operation, error, maintenance request,
maintenance)
3
Display area
Current menu display and input area
4
Current menu
Menu path display
5
Screen functions Displays screen functions and submenus
6
Navigation area
Allows the following functions:
• jump to following menu
• jump to main menu
• jump to previous menu
• Change user
Access permissions
Password entry
The system controller has several access levels. They are enabled
by entering a username and password at the HMI level, provided
that the system user (customer) allows access to it.
6
5
7
1
2
3
5
1
2
4
3
6
