TA9-DTU connect 2 UL212 at the same time

<p>Connect via 485，The wiring is as follows： <img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/96e5d38136615d7b6ba9363934e279ba" alt="" /></p> <p>When two UL212 are configured on the same truck, Only need to configure the two UL212 respectively as: The first UL212: protocol 16, baud rate 19200, address bit 1 The second UL212: protocol 16, baud rate 19200, address bit 2 Note: the address bits are different</p> <p><img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/f262f7f72fbc3c6a488b9346d6de689c" alt="" /></p>