Frick QUANTUM 1 - GCU Board Configuration; Communications Port Connections; Additional Communications Jumper Configurations; GCU Board Dipswitch Settings

S90-555 M FRICK QUANTUM™ CONDENSER/VESSEL CONTROL PANEL
Page 12 MAINTENANCE
PICTORIAL DRAWING OF CONDENSER / VESSEL (GCU) BOARD:
Communications Port Connections
Comm. Port 1 Comm. Port 2
Connector Function Connector Function
J2-P2
Com-
J3-P2
Com-
J2-P3
Com+
J3-P3
Com+
Additional Communications Jumper Configurations
Jumper Setting Function
JP1
Installed
Removed
Port 1 RS-485 pull-up resistor
No pull-up resistor (standard setting)
JP2
Installed
Removed
Port 1 RS-485 pull-down resistor
No pull-down resistor (standard setting)
JP3
Installed
Removed
Port 2 RS-485 pull-up resistor
No pull-up resistor (standard setting)
JP4
Installed
Removed
Port 2 RS-485 pull-down resistor
No pull-down resistor (standard setting)
JP5
Installed
Removed
PFI pull-up resistor (standard setting)
No pull-up resistor
GCU Board Dipswitch Settings
Switch # 1 Not Used N/A
Switch # 2 Not Used N/A
Switch # 3 Not Used N/A
Switch # 4 Not Used N/A
Switch # 5 Not Used N/A
Switch # 6 Not Used N/A
Switch # 7 Baud Rate Selection
off / open *
on / closed
Switch # 8 Baud Rate Selection
off / open
on / closed *
* = standard setting