ABB ProKiln GAC400 Operating Instruction page 11

ProKiln GAC400 PROBE GAS SAMPLING SYSTEM | OI/GAC400-EN REV. A
EMERGENCY-STOP switch
Location
• Rear end of the retractor
• Right side of control cabinet
Function
Interrupts movement of the gas sampling probe and blow-
back of the probe. The gas sampling probe can only move
again when the EMERGENCY-STOP switch is unlocked and
reset by pressing the service switch.
Covers
Location
• Retractor
• Cooling module
Function
Protection from inserting hand into the system.
Warning lamps and buzzer (warning tower)
Location
• Retractor terminal
• Control cabinet
Function
Warning about probe movement. The warning lamps flash in
the following situations:
• Automatic mode: approximately 10 seconds before
probe movement
• Manual mode: immediately after pressing the "Retract
probe" button
• Error: immediately before probe retraction
Flange shutter (optional)
Location
On the duct opening of the rotary kiln
Function
• Protects from jet flames, hot material, and gases from
the duct opening.
• Closes the kiln's duct opening when the probe is
retracted.
• A manual lock ensures that the duct opening is reliably
closed when working near the duct opening.
Protective fence installation with electric lock access
Location
Protective fence installation with electric-lock access (the
protective fence or gate installation is the responsibility of
the operator)
Function
• Prevents anyone from standing near the retractor when
probe movement is possible. No probe movement is
possible when the protective installation is open.
• When the protective installation is opened during
operation, the warning lamps flash, the warning buzzer
buzzes and any probe movements or probe cleaning stop
until protective installation is closed and cleared by
entering service mode.
Additional EMERGENCY-STOP switch
A customer supplied EMERGENCY-STOP switch can be installed
additionally by the operator. This input to the control system will
have the same function as the enclosed EMERGENCY-STOP
switch described above.
The additional EMERGENCY-STOP switch must be installed if the
above-described EMERGENCY-STOP switch is difficult to access.
The EMERGENCY-STOP switch will be connected into the
emergency safety circuit of the control system and work with
the same effect as the two integrated EMERGENCY-STOP
switches.
11