User Interfaces; Access Permissions - ABB ProKiln GAC400 Operating Instruction

28 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
1
Emergency Stop
2
Probe In
3
Probe out
4
Safety switch probe
5
Distributed I/O's
6
Breakers
7
Terminals
Retractor pneumatic cabinet
Figure 17: Retractor system pneumatic cabinet
Pos. Component
1
Valve manifold
2
Pressure alarm
3
Ball valve
7 5
Function
Stops all movements and air blaster blow-
back of probe
Will move the probe in if system is in
manual mode
Will move the probe out if system is in
manual mode
Will prevent all probe movements by
shutting down power to the motor
PLC I/O's
Solid state relays
Wire connecting point
1
2
3
Function
Controls valves for flange shutter, heated
shut-off valve and pressure release (if
available).
Alarm for low compressed-air pressure
Compressed-air supply

User interfaces

Operation screen
The figure below shows a typical operation screen:
4
6
5
Figure 18: Operation screen
Screen areas
Pos. Designation
1
Mode
2
System status
3
Display area
4
Current menu
5
Screen functions
6
Navigation area

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.
3
1
Function
Displays the mode (AUTOMATIC, MANUAL)
Displays the current system status (normal
operation, error, maintenance request,
maintenance)
Current menu display and input area
Menu path display
Displays screen functions and submenus
Allows the following functions:
• jump to following menu
• jump to main menu
• jump to previous menu
• Change user
2
6