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2.4 I/O Base Board
ON
ON
1
1
1
1
1
1
1
1
LED
2
C9
5
TB1
C6
R121
FET
9
R8
2
TB4
P2
P4
SW1
C
4
P
5
P16
SW2
P1
0
IC18
TB3
P7
TB2
TB9
Y1
SW
3
P6
L2
C19
C18
C20
TB5
D3
R118
R122
TVS1
L1
R12
0
DZ
2
R7
7
C10
D5
D4
P
9
P
8
P1
LED
1
P3
A
B
C
D
E
F
G
H
J
K
L
1
18
19
32
mA
V
A OUT 2
A OUT 1
For the complete I/O base board definitions, see
I/O Base Board Connections
on page 13.
A
Base board LED
E
Jumpers - Configures Analog Out
1 and 2 for mA or V
J
Modbus Slave ID DIP Switches
B
A1. Cellular antenna
F
Radio Binding Button
K
Modbus Slave ID DIP Switches
C
Radio LED
G
Programming header
L
SAM4 Processor Board Connection
D
A2. ISM Antenna
H
ISM Radio Board Connection
2.4.1 DIP Switches for the I/O Board
The DXM100 Controller I/O board DIP switches are set from the factory to Modbus Slave ID 200 and should not need to be
changed. For more advanced information about the DIP switches, refer to
Setting the Modbus Slave ID on the I/O Base
Board
on page 11.
2.4.2 I/O Board Jumpers
Hardware jumpers on the DXM I/O board allow the user to select alternative pin operations. Turn the power off to the
device before changing jumper positions.
Jumper
Function
Positions
E
Analog output characteristics
for AO2 (pin 19) and AO1 (pin
20)
Defines current (0–20 mA) or voltage (0–10 V) for analog output 1 and 2.
By default, current (0–20 mA) is selected using jumpers 1 and 2 and registers 4008 and
4028 contain a value of 2.
To select voltage (0–10 V) for output Aout1, set jumper 1 in the voltage position (V) and
set Modbus register 4008 on the I/O board (SID 200) to 3.
To select voltage (0–10 V) for output Aout2, set jumper 2 in the voltage position (V) and
set Modbus register 4028 on the I/O board (SID 200) to 3.
DXM100 Controller Instruction Manual
10
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