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Inspection and Installation

Pins Description

H CAN_H

L CAN_L

GND CAN_GND

CAN Configuration

The user needs to configure the CAN interface parameters in the system menu

before using the remote control. The CAN interface parameters are as follows.

Name Description

Address Range: 0 – 127

Baud rate Select the baud rate from the following options: 5k/10k/20k/

40k/50k/80k/100k/125k/200k/250k/400k/500k/600k/800k/

1000k

Protocol

• DeviceNet: Use standard can protocol.

• BMS: Use the protocol for docking with the BMS

system.

The operation steps are as follows.

1. Press the composite keys [Shift]+[P-set] (System) on the front panel to en-

ter the system menu.

2. Rotate the knob to select I/O and press [Enter].

3. Press the Left/Right key to select CAN and press [Enter].

4. Set the baud rate, address and other parameters, press [Enter].

CAN Troubleshooting

If you meet some problems when communicating with PC by CAN interface,

please check the following items:

• PC and the instrument must have the same baud rate.

• Ensure you have used the correct communication cable (CAN_H, CAN_L).

Please pay attention that some cable may not have a correct internal wiring

even it is with an appropriate plug.

• The interface cable is correctly connected (CAN_H to CAN_H, CAN_L to

CAN_L).

ITech IT-M3900C Series User Manual

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