# 安装与接线

### 模块接线图

SRL6004接线图

### 模块端子说明

接线端子 | 说明
R1+ | COM1串口RS422信号接收+ | COM1串口RS485信号B
T1+ | COM1串口RS422信号发送+ | --
R1- | COM1串口RS422信号接收- | COM1串口RS485信号A
T1- | COM1串口RS422信号发送- | --
R2+ | COM2串口RS422信号接收+ | COM2串口RS485信号B
T2+ | COM2串口RS422信号发送+ | --
R2- | COM2串口RS422信号接收- | COM2串口RS485信号A
T2- | COM2串口RS422信号发送- | --
R3+ | COM3串口RS422信号接收+ | COM3串口RS485信号B
T3+ | COM3串口RS422信号发送+ | --
R3- | COM3串口RS422信号接收- | COM3串口RS485信号A
T3- | COM3串口RS422信号发送- | --
R4+ | COM4串口RS422信号接收+ | COM4串口RS485信号B
T4+ | COM4串口RS422信号发送+ | --
R4- | COM4串口RS422信号接收- | COM4串口RS485信号A
T4- | COM4串口RS422信号发送- | --
R1 | COM1串口RS-232信号接收端
T1 | COM1串口RS-232信号发送端
R2 | COM2串口RS-232信号接收端
T2 | COM2串口RS-232信号发送端
R3 | COM3串口RS-232信号接收端
T3 | COM3串口RS-232信号发送端
R4 | COM4串口RS-232信号接收端
T4 | COM4串口RS-232信号发送端