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34. Control of the device via serial data cables via the RS485
interface in conjunction with the PFC Advanced
Via the connector for the DMX signal the communication on serial data cables with the PFC Advanced
is possible. DMX is only a so called protocol which is utilizing an RS485 interface.
In the menu you can choose between radio or cable control. In cable control mode the controller PFC
Advanced is the feed-in to a network which has a line architecture. The controller always sends data
both ways: via radio and on the cable. For this reason both control methods can be used
simultaneously.
The G-Flame can receive the serial data signal on the male 5pin XLR connector and provides an
output of this signal on the female 5pin XLR connector in order to feed it through to the next device.
The cable control method is using a 'RS485' network. According to this standard a termination resistor
is required at the last bus device which is plugged into the unused connector. Another termination
resistor has to be installed at the controller which is normally the first device in the line.
The maximum cable length of one line is 1,000 m. A 'booster' can be used to extend the length. The
use of 'splitters' allows star shaped networks, too.
Serial data cables with customized lengths, termination resistors, boosters and splitters are available
as accessory parts.
The maximum number of devices per line is 32. The total maximum number of devices is theoretically
unlimited if boosters and splitters are being used.
If cable control has been selected in the menu the following is being displayed in receiving mode:
Note: Even if the device is in cable control mode a result is displayed if a range test is in progress.
The test result informs you about the range condition if you would decide to use the radio control
option. A bad result of the radio range test e.g. if no antenna is connected does absolutely not imply
that the signal on the cable is insufficient, too.
Note: Feedback data from remote access functions is sent by the G-Flame on both communication
carriers: via radio and on the cable. At the controller PFC Advanced you can choose which feedback
signal should be detected.
The pin assignment of the RS485 interface is as follows:
Pin1 = Shielding for serial data cable, to be connected with the shielding of the cable
Pin2 = Serial data cable, Signal -
Pin3 = Serial data cable, Signal +
Pin4 = unassigned but connected between the male and female jack
Pin5 = unassigned but connected between the male and female jack
A connection diagram is printed on the housing of the G-Flame.
Upon request you will be able to receive customized data cables if you provide us your requirements.
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