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Jumper
SW1
120Ω terminator resistance of CAN port.
Lock mode for resisting the noise or disturbances.
JP1
In this case, updating firmware is not allowed.
Unlock mode for updating the firmware of I-8120W.
Debug port for user-defined firmware. The I-8120W
prints the debug messages or system information
from this port. Connect this port to PC COM port.
JP2
Use 7188xw.exe to show the messages. The baud
rate is 115200 bps. You can find the 7188xw.exe in
the
CD.
I_8120W/Tools/PC
Reset mode for forcing the I-8120W into download
JP4
mode. Wiring this jumper until Tx/Rx LED and Err
LED are always ON. Then, remove the wire.
3. How to Start
Step1: Set the SW1 of the I-8120W to the proper position. Generally, the both end of
CAN bus (line topology) needs 2 terminator resistance. Each of them is 120Ω.
Step2: Unlock the JP1. Generally, unlock the JP1 during developing the application.
I-8120W Quick Start User Guide (Version 1.2, Apr/22/2015) -----2
Description
The
path
is
CAN/SlotModule/
Status
Enable
Disable
Lock
Unlock
Reset
Normal
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