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4 REMOTE CONTROL
远程控制
4.1
Modbus Settings
Modbus
设置
There are a limited number of Modbus addresses available in the Mini Mk8 M.M., which can be
accessed directly without the need for a D.T.I.
Mk8
微型控制模块带有数个
Modbus
地址。操作者无需通过
D.T.I.
就能直接使用这些
Modbus
地
址。
When using Modbus direct, e.g. connecting to Building Management System from the M.M. without
a D.T.I., then neither Autoflame Intelligent Boiler Sequencing nor the D.T.I. can be used.
当直接使用
Modbus
时(比如当用户不通过
D.T.I.
将控制模块连接到楼宇管理系统时),
Autoflame
智能锅炉排序和
D.T.I.
都不能使用。
The Mini Mk8 M.M. communicates using an RS485 data link from terminals 27 (-ve) and 28 (+ve).
Beldon 9501 data cable is recommended.
Mk8
微型控制模块使用接线端子
27 (-ve)
和
28 (+ve)
上的
RS485
数据线来进行通讯。建议使用
Beldon 9501
数据线。
Up to 10 Mini Mk8 M.M.s can be linked to together and connected to a Building Management
System via terminals 27 and 28. Each Mini Mk8 M.M. will need to be set with an individual Modbus
device ID by setting option 104.
最多可将
10
个
Mk8
微型控制模块连接起来,然后通过接线端子
27
和
28
与楼宇管理系统连接。
操作者可通过选项
104
来设置每台
Mk8
微型控制模块的
Modbus
设备标识号。
The maximum block of addresses the Mini Mk8 M.M. can read and write to is 127, as per Modbus
having a built-in limit of 255 byte packets.
Mk8
微型控制模块能读写的最大地址块数量是
127
,
Modbus
的内置极限是
255
个字节包。
If the Mini Mk8 M.M. does not receive any Modbus commands for 60 seconds, the Modbus goes
“offline.’ You can keep the Modbus “online” with a simple instruction, such as polling or setting a
single value to that individual M.M. If the Modbus is “offline” then remote setpoint and firing set via
Modbus will be disabled. The only exception is the enable/ disable burner which changes the enable/
disable button on the M.M. home screen, as this change will last until the Modbus state is changed
again or the enable/ disable button is pressed again.
如果
Mk8
微型控制模块超过
60
秒未收到
Modbus
指令,
Modbus
将“下线”。用户可以发出简
单指令来保持
Modbus
的“在线”
,例如对控制模块进行简单问询或者单值设置。如果
Modbus
处于“下线”状态,用户不能利用
Modbus
来远程设置数值和燃烧率。在
Modbus
失联后仍可
以用控制模块主页上的按钮来启动
/
停止燃烧器。在
Modbus
通讯恢复后从
Modbus
地址发出的
启动
/
停止燃烧器的命令要优先于主页上燃烧器启动
/
停止按钮的操作。
If the M.M. is powered off or the comms is lost, the Modbus address values from the unit will not be
true.
如果控制模块断电或者通信中断,控制模块会发出错误的
Modbus
地址数据。
Please see next page for Modbus addresses.
从下页开始列出了
Modbus
地址列表。
Содержание Mini Mk8 M.M.
Страница 1: ...1...
Страница 6: ...6 1 1 Mini Mk8 M M MK8 1 1 1 Fixing Holes and Dimensions...
Страница 7: ...7 1 2 Wiring Schematic...
Страница 8: ...8...
Страница 15: ...15 1 4 Connection Between Mini Mk8 M M and Mk8 E G A Mk8 Mk8 E G A...
Страница 16: ...16 1 5 Connection Between Mini Mk8 M M and Mk7 D T I Mk8 Mk7 D T I...
Страница 17: ...17 1 6 Sequencing Connection Diagram Mk8...
Страница 53: ...53 3 3 3 Servomotors Direction Change...
Страница 85: ...85 Figure 3 7 iv Single Point Change Trim EGA The M M will store the trim values for this position EGA...
Страница 122: ...122 Notes...
Страница 123: ...123...
Страница 124: ...124...