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2 Set-Up and Connections
设置和连接
10.08.2015
Mk7 D.T.I. Set-Up Guide Mk7
数据传输接口设置指南
Page 35
2.3.4 RS422 Connection
RS422
的连接
The supports the Modbus RTU protocol; with a RS422 connection, the D.T.I. can be connected to the
PC and communicate with each other through a Building Management System. To establish this
connection, the D.T.I. must be set to Read/Write or Read on the DTI Setup screens.
支持
Modbus RTU
协议。如有
RS422
连接,数据传输接口可以连接至
PC
并可以通过楼宇管
理系统保持互相通信。要建立连接,数据传输接口必须在
DTI
设置屏幕上设为读取
/
写入或读
取。
The following settings must be selected for the D.T.I. to communicate with the external system:
必须选择数据传接口的以下设置以便与外部系统进行通信:
Baud Rate
波特率
9600 bps
The data transmission rate.
数据传输率
Data Bits
数据位
8
The data units.
数据单位
Parity
奇偶校验
None
The bit that shows whether the number of bits is even or odd.
所显示的位数是否为偶数或奇数。
Stop Bits
停止位
2
The bits that do not contain data.
停止位不包括数据。
Comms
命令
RTU
The Remote Terminal Unit.
远程终端单元
Slave Response Timeout
从属响应超时
2000msecs The time allowed for response before there is an error.
在出现错误前允许响应时间。
Scan Rate
扫描率
500msecs
The rate the system pulls data from the D.T.I.
系统从数据传输接口获得数据的速度。
Once this has been set on the BMS, communications will be established with the D.T.I. If this
doesn’t
connect, please request Modscan 32 software from Autoflame Technical Support, to check that the
comms from the D.T.I. For a full list of Modbus addresses, please Section 4.
在楼宇控制系统上设置后将与数据传输接口建立通信。如果为连接,请向
Autoflame
技术支持
部索取
Modscan 32
软件,检查数据传输接口的命令。关于
Modbus
的完整地址,请见第
4
章
节。
For M.M. read/write function, option 3 must be to 1, and 16 set to 2 or 3 on the M.M.
至于控制模块读写功能,控制模块上的选项
3
必须设为
1
,选项
16
设为
2
或
3
。
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