文件编号
Doc.No.
NDT2920002
版次
Edition
第
5
版
Version5
实施日期
Implementation date
20181213
15
NDM3E 断路器通讯接口的现场总线规约为:Modbus—RTU。
The on-site bus protocol of NDM3E breaker’s communication port: Modbus—RTU
注:通讯型断路器(T 型、GT 型)默认波特率为 9600、通讯地址为 3。
Notes: The default baud rate of the communication breaker (T type and GT type) is 9600, and the communication
address is 3.
3.2.2.4.1 通讯模块 Communication module
图 2:通讯模块实物图 图 3:通讯背包安装尺寸图
Fig.2: Entity figure of the communication module
Fig.3: Dimension figure for installation of the communication backpack
表 3:通讯模块端子及其作用表
Table 3: Communication module terminal and its function
端子代号
Terminal code
连接位置
Connection position
输入输出(IO)
Input and output (I/O)
D1
电源 DC24V(+)
Power supply DC24V (+)
输入 Input
D2
电源 DC24V(-)
Power supply DC24V (-)
D3
/
D4
电操机构控制“OFF”端
“OFF” terminal controlled by
the motor-operated mechanism
输出(DO)
Output (DO)
D5
电操机构控制“COM”端
“COM” terminal controlled by
the motor-operated mechanism
D6
电操机构控制“ON”端
“ON” terminal controlled by the
motor-operated mechanism
D7
/
D8、D9
网络控制选择
输入(DI)