FRICK QUANTUM™ CONDENSER/VESSEL CONTROL PANEL S90-555 M
MAINTENANCE Page 19
QUANTUM™ 4 MAIN PROCESSOR BOARD
Quantum 4 Motherboard Jumpers
LK1 Watchdog timer timeout selection
In 2 second timeout
Out * 8 second timeout
LK2 Watchdog timer Enable
In * Enabled
Out Disabled
LK3 Backlight Voltage
A +5V Backlight
B * +12V Backlight
LK4 LCD Panel Power Supply Voltage
A +5V Supply (Samsung, NEC or Sharp Displays)
B * +3.3V Supply (LG Phillips Display)
LK5 COM4 IRQ Routing (DO NOT MODIFY)
A IRQ3
B * IRQ10
LK6 COM3 IRQ Routing (DO NOT MODIFY)
A IRQ4
B * IRQ11
LK7 Clear CMOS / Battery Disable (DO NOT MODIFY)
A * Battery Backup Enabled
B Battery Backup Disabled (CMOS RAM Cleared)
LK8 RS-485 Receiver (DO NOT MODIFY)
In * RS-485 Receiver Enabled
Out RS-485 Receiver Disabled
LK9 RS-485 Termination (DO NOT MODIFY)
In * RS-485 Terminated
Out RS-485 Not Terminated
LK10 RS-422 Termination (DO NOT MODIFY)
In RS-422 Terminated
Out * RS-422 Terminated
LK11 User Application Link (DO NOT MODIFY)
In * Bit 1 of 259H "Logic 1"
Out Bit 1 of 259H "Logic 0"
LK12 User Application Link (DO NOT MODIFY)
In * Bit 2 of 259H "Logic 1"
Out Bit 2 of 259H "Logic 0"
* Standard Setting
PL13
LK8
LK10
PL16
LK12
LK9
A
PL8
B
B
A
LK16
D3
PL2
1
D8
D10
D11
D12
PORT 80H
D4
D5
D7
D13
SW1
O
1 2 3 4 5 6 7 8
LK10LK9
LK8
LK7
D6
D2
LK11
B
LK4LK3
LK6LK5
D1
D8
LK17
To set Comm-2 for RS-232
operation, set LK17 to "A" position.
To set Comm-2 for RS-422/485
operation, set LK17 to "B" position.
B
COM-2
RS-422
RS-485
LK6
LK5
LK7
COM-1
RS-422
RS-485
TB3
PL1
TB1
B2
LK1
LK2
LK11
PL3
PL4
PWR
SUSP
FLASH
PL24
Power - I/O
Comm.
Harness
(Plugs into
PL12 &
PL14)
Keypad Cable
plugs into PL1
Top board is the
Communications Board
Bottom board is the
Processor Board
LK1
PL7
PL9
LK2
PL17
PL12
PL19
PL18
PL14
PL10
PL6
PL2
PL4
PL1
Flash Card
Socket
(Located
under
board)
PL3
PL5
PL11
LK3
A
B
LK4
PL15
COM-2
RS-232
This assembly is shipped with LK4
set to "B" position for an LG Phillips
display (11.75" backplate).
If using a Samsung, NEC or Sharp
Display, set LK4 to position "A"
(12.75" backplate).
LCD
Display &
Inverter
Cable
(Plugs into
PL15)
A