Main Board Jumper Settings & Connections
Jumper Settings
Thermo Fisher Scientific
AutoPILOT PRO Flow Computer User Guide C-3
Table C–2. Other main board jumper settings (not factory set)
Jumper
Description
Setting for Function
JP3
Not installed. BDM 1.5V core
option.
JP4
Not installed. TCLK/PSTCLK pull
down option.
JP9
Flash memory write protection.
Install jumper for protection.
JP17
System reset.
Install jumper to reset the system.
JP25
RTC WDI function selection.
Install jumper to select WDI function.
JP27
Wake up system.
System stays on when jumper is
installed.
J34
RS485 TX – AC termination.
J35
RS485 TX – DC termination.
J36
RS485 RX – AC termination.
J37
RS485 RX – DC termination.
J38
SIB selection.
Install jumper to select SIB.
J39 pins 1–2
Character LCD option.
Install to select the character LCD
(default option).
J39 pins 3–4
Graphic LCD option.
Function not available.
J39 pins 5–6
Boot loader selection.
CPU runs the boot loader upon power-
up when the jumper is installed.
J39 pins 7–8
Continuous power on.
System stays in wake-up mode when
the jumper is installed.
J39 pins 9–10
Debugger selection.
CPU runs the debugger upon power-up
when the jumper is installed. Function
not available.
J39 pins 11–12 Memory backup battery on.
The backup battery is connected to
memory and RTC chip when the jumper
is installed.
J39 pins 13–14 No current use.
J39 pins 15–16 RS485 2-wire / 4-wire option.
Install the jumper for 2-wire mode.
J40
RS485 / RS232 mode selection.
Install the jumper for RS485 mode.
J41
Force DCD for the host comm.
port.
Install the jumper to force the host
comm. port DCD to HIGH.
SW1
LCD Contrast IRQ (optional)
The LCD contrast is also controlled
through the keypad.
SW3
Pulse input mode option (CH1).
Magnetic sensor mode: 1, 5 = ON.
Slot sensor mode: 2, 3, 6 = ON.
Other Settings