Nordson Sure Coat, Manual

Page: 42 / 91

Operation
A 5-2
Part 331235C
E 2003 Nordson Corporation
Part A: System Overview
System Keyswitch
Refer to Table A 5-2. The keyswitch on the main control cabinet door allows
the operator to quickly set the system to one of three operation modes.
NOTE: When the keyswitch is in the LOCKOUT or BYPASS positions, the
key can be removed so that the selected mode cannot be accidentally
changed.
Table A 5-2 Keyswitch Positions
Position What it Does When to Use
READY Allows the system to work during normal
operation
Shuts system down if conveyor stops
(if system is wired to conveyor interlock)
Normal operation
LOCKOUT Disables all guns in system Maintenance or repair in the booth
BYPASS Allows guns in the system to operate
while the conveyor is not running
Adjustments while there is a pause in
production or the booth is off line
Conveyor Interlock for Automatic Triggering
When the system is connected to an application/triggering controller or
remote PLC, the guns turn on or off at different times depending on the
status of the conveyor and trigger signals. Refer to Table A 5-3.
Table A 5-3 Conveyor Interlock for Automatic Triggering
Interface
Mode
Keyswitch
Position
Conveyor
Status
Trigger
Signal Status
Gun Spray Status
REMOTE
READY or
BYPASS
On On
Spray normally
On Off Stop spraying until a new trigger signal
is received
Off On
If spraying, will continue spraying until
trigger signal stops; after signal stops,
cannot spray again until conveyor starts
Off Off
Stop spraying; cannot spray again until
conveyor starts and trigger signal is
received
LOCKOUT On/Off On/Off
Stop spraying; cannot spray again until
keyswitch is in READY or BYPASS
position
LOCAL
READY or
BYPASS
On N/A
Triggering is controlled through central
control unit
Off N/A Stop spraying
LOCKOUT On/Off N/A
Stop spraying; cannot spray again until
keyswitch is in READY or BYPASS
position
NOTE: If the conveyor stops and the keyswitch is in the READY position, CON appears on the central
control unit display.