EXcel4 Controller
Page 19
2.15
Communications
When using RS-485 ensure that the screen of the cable serving the communications is
connected at the point at which it enters the controller only. Insulate the screen of the
cable that leaves the controller and connect the screen of that cable at the next
controller. (A simple rule of screen in and not out is recommended). Repeat this until all
connections are made. It is important to screen the cable at one end only.
There are several possible methods for connecting one o
r more ACU’s to a computer
running TDSi EXgarde software:
2.15.1
Single ACU over RS232 to a PC
One ACU to a PC to a maximum of 15 meters RS232 cable.
PC Function
PC 9-way D type
connector
PC 25-way D type
connector
EXcel terminal
Receive
2
3
7
Transmit
3
2
6
Ground
5
7
5
Figure 10 - 9way D-Type connector
9 Way D type “male” connector with pins 2, 3 and 5 circled.
NOTE. When connecting one or more units with the following converters please refer to
documentation for that unit:
Lantronix UDS-10 or UDS-100 serial-Ethernet converter
Documentation (6650-0236) supplied with the Lantronix converter.
MA-45 RS232-RS485 converter
Documentation (6650-0231) supplied with the MA-45 converter.
EX9520 RS232-RS485 (2 wire) converter
Documentation (6650-0241) supplied with the EX9520 converter.
Содержание EXcel4
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Страница 51: ...EXcel4 Controller Page 45 56 0V for Door Sense and Egress 57 Door 4 Egress Input 8 2 or 3 door configuration ...