DISCOVER LYNK II User Manual - Page 13

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7 . Sync7 - reserved

8. Sync8 - reserved

4548-US 6048-US

6.2 LYNK II and Sunny Island Network Terminations

The LYNK II Gateway unit is internally terminated. Using the SMA termination

plug supplied with the Sunny Island, terminate the Sunny Island ComSync

communication network at both ends. For a single Sunny Island, the end of the

communication bus is the ComSync Out port on the Sunny Island. For a Sunny

Island cluster, the end of the communication bus is the ComSync Out port on the

last Sunny Island in the cluster.

ComSync network termination:

• 100 Ohm resistor between CAN_H and CAN_L and a 100 Ohm resistor between

SYNC_H and SYNC_L.

For Discover Lithium batteries, as the internal BMS transfers the battery

temperature to Sunny Island, do not use an external battery temperature sensor.

The Protocol Configuration Procedure

1. Download the current version of LYNK ACCESS software from the Discover

Battery website to obtain the most up-to-date suite of available protocol

configurations.

2. Using a USB cable with a Type-B mini-plug, connect the 64-bit Windows 10

device running LYNK ACCESS software to the USB port on LYNK II. Ensure LYNK

II is powered and connected to the correct end of the CANbus network.

3. Ensure that only one LYNK device is connected to the computer.

Figure 5. Sunny Island RJ45 Pin Configuration

4.4M 6.0H 8.0H