Rs-485/Usb Interface Board - Samson TROVIS 6495 Series Mounting And Operating Instructions

The RS-232/USB interface board (slave) includes:
4
RS-232 interface (RJ12 jack)
4
USB interface (5-pin mini-B port) (slave)
RS-232 data transmission is implemented using SSP or Modbus RTU protocol.
The protocol of the RS-232 interface is set at the controller in the configuration item D.2.1.
The first time the USB interface is used to connect the controller to the computer, the device
driver is demanded. The driver is included on the TROVIS-VIEW CD-ROM (USB Driver >
USB-RS232 Adapter 8812-2001) or can be downloaded from the Internet at
www.samson.de > Services > Support & Downloads > USB driver.

13.2.2 RS-485/USB interface board

To integrate the controller into a communications network, the controller can be fitted with an
optional interface board RS-485 Modbus RTU (order no. 1400-9918). The USB connection
can be used to transfer data using TROVIS-VIEW.
The RS-485/USB interface board includes:
4
RS-485 interface (4 terminals)
4
USB interface (5-pin mini-B port) (slave)
USB
RS-485
RS-485:
AR
RX
BR
BTR
TX
ATR
Fig. 8 · RS-485/USB interface board
4-wire 2-wire
4-Leiter
RX/TX
Bus termination
2-Leiter
slide switch
OFF
RX
TX
OFF
2-/4-wire operation
slide switch
4
ON
ON
EB 6495-2 EN
Interfaces
2
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