Installation manual
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Introduction | AP70/AP80 Installation Manual
Computer boards
Indicator diodes and switches
Indicator diodes and switches are available on the boards as shown in the tables below.
LED Description AC70 AD80 SD80 SI80
Polarity check
Red: wrong polarity
Green: correct polarity
xx
CPU
1Hz alternating green: CPU is running
correctly
Rapid fl ashing: Application program is
missing
xxxx
HS Green: Handshake output is on x x
RX Living green: Serial data is received x x
SOL Green: Solenoid command is given x
Switch Description AC70 AD80 SD80 SI80
U_CTRL
Selection of internal ±10 V or external
reference voltage for analog voltage control
output.
Note: For 4-20 mA current control,
switches must be set to internal ref.
voltage
x
U_IN RANGE
Range setting of analog voltage input signal
for rudder feedback, follow up wheel or
remote DP control
xx
SIMNET
TERMINATION
ON (to the left) or off setting of 120 ohm
CAN bus termination.
Note: Termination must be set to ON
when the board is at one end of the
CAN bus backbone, otherwise it must
be set to OFF.
x
POLARITY
CHECK
CPU
HS1
RX1
SOL2
SOL1
U_CTRL
EXT
READY
ON
INT
U_IN RANGE
+20V
+10V
+5V
SIMNET
TERMINATION










