Rabbit OP7100 User Manual Page 97

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OP7100 Specifications
97
Table B-3 lists the jumper configurations.
FD
FD
Table B-3. OP7100 Jumper Settings
Header
Pins
Connected
Function
Factory
Default
1–2
5–6
7–8
11–12
Positive LCD background
(blue characters on white
background)
JP1
1–3
4–6
7–9
10–12
Negative LCD background
(white characters on blue
background)
1–2 Software contrast adjustment OP7100
JP2
2–3 Manual contrast adjustment OP7110
1–2
5–6
9–10
11–12
One 5-wire RS-232,
one RS-485
1–2
5–6
One 3-wire RS-232,
one RS-485
JP3
3–4
7–8
Two 3-wire RS-232
3–4
5–6
RS-485 on J11: 2–3
JP4
1–2
7–8
RS-232 on J11: 2–3
JP5 1–2
Connect to connect frame
ground to power supply
ground
Connected
J4 1–2
Connect to enable program
mode, disconnect for run
mode
Not
connected
J9
1–2
3–4
Connect to enable termination
resistors, disconnect to disable
termination resistors
Connected
FD
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