Question: What makes of projectors can be connected to MacBook

Question: What makes of projectors can be connected to MacBook, also what kind of cable do I need?

Hi,
Modbus is restricted to addressing 247 devices on one data link, which limits the number of field devices that may be connected to a master station.
However, if you want to increase the number of slaves, you may use MODBUS/TCP.
Here is a link that might help you:
http://modbus.control.com/thread/1026247380.
The Schneider electric 174CEV30010 Modbus to Ethernet bridge is capable of addressing Modbus slaves from 1 to 247.
The actual number of devices which can be physically connected depends on the medium used and not on the fact it is Modbus.
Some examples:
RS232 is a 2 device point to point connection when using copper, however when using fiber (or other modems) it is possible to connect up to the maximum of 247 devices.
RS485 is multi-drop and supports 32 devices on a single network. When a repeater is used, on copper wire, the number of devices can usually be increased to 64.
Hope this helps.
Regards,
Rohan Sood
Applications Engineer
National Instruments

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Question: What makes of projectors can be connected to MacBook

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