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Interface converter
TraxBus to EIA-RS232 / EIA-RS485 / MODBUS ASCII / MODBUS RTU

TraxBus conversion to the following standard physical layers:
 • EIA-RS232
 • EIA-RS485
TraxInterface4 can drive up to 250 remote peripherals operating in two different modes:
 • Transparent
 • Modbus® ASCII / RTU
An additional service port is available for monitoring and configuration.
A complete galvanic isolation is provided between local interfaces to fieldbus and power supply.


MAIN PORT SubD9 FEMALE A
POWER SUPPLY AND BUS TERMINALS B
C SERVICE PORT RJ45
D FUSE (REMOVE TOP COVER)
ORDER CODE DESCRIPTION NOTE
1304.00.02 TraxInterface4.232
EIA-RS232 › TraxBus interface converter
Transparent or Modbus
ACTIVE
1304.00.04 TraxInterface4.485
EIA-RS485 › TraxBus interface converter
Transparent or Modbus
ACTIVE
2505.00.01 Mobi.Link Cable
RJ45–DB9 RS232
Communication cable for service port
ACTIVE
2505.00.03 Mobi.Link USB Cable
RJ45–USB type A
Communication cable for service port
ACTIVE

Master controller is connected to SubD 9 female socket. The cable coming from master controller must be terminated with a SubD male socket (see below).

EIA – RS232
DATA OUTPUT – TX 2
DATA INPUT – RX 3
SIGNAL GROUND – SG 5
EIA – RS485
1 Tx/Rx – NEGATIVE
2 Tx/Rx – POSITIVE
5 SG – SIGNAL GROUND
POWER SUPPLY – AC/DC 1
POWER SUPPLY – AC/DC 2
POWER SUPPLY – AC/DC 3
POWER SUPPLY – AC/DC 4
5 TRAXBUS – NEGATIVE
6 TRAXBUS – NEGATIVE
7 TRAXBUS – POSITIVE
8 TRAXBUS – POSITIVE
Power Supply
  • • Voltage24VAC / 30 VDC ±10%
  • • Frequency0 … 200 Hz
  • • Line fuse3A
  • • Power consumption8 … 70 VA
  • • Power dissipation3 … 2 0W
  • • Isolation4000 VDC / 1s
  • • Terminals2x2,5 mm2
Environment
  • • Operating Temperature-20 … +60 °C
  • • Storage Temperature-40 … +85 °C MAX
  • • EnclosureUL94-V0
  • • Protection ClassIP20
  • • Relative Humidity30 … 90% 1
  • • Dimensions71 × 90 × 58 mm
  • • Mounting Position ANY
TraxBus Interface
  • • TypeASYN MULTIDROP HALF DUPLEX
  • • Peripherals300 MAX
  • • Baud Rate38400 MAX
  • • Bus Voltage≤ 30 VDC
  • • Bus Current< 2,5 A
  • • Allowable Voltage Dropout< 3V
  • • Allowable Line Capacitance< 100nF
  • • Isolation3750 VRMS
  • • Terminals4x2,5 mm2
EIA-RS232
  • • Data formatSERIAL ASYN UART/NRZ
  • • Device typeDCE
  • • ProtocolsTransparent, Modbus ASCII/RTU
  • • Baud Rate4k8 9k6 19k2 38k4 57k6 115k2
  • • Data framing transparent8N1 | 8N2
  •   Data framing Modbus8N2 | 8E1 | 8O1
EIA-RS485
  • • Multidrop units32 MAX
  • • Line Length1200 m MAX
  • • ProtocolsTransparent, Modbus ASCII/RTU
  • • Baud Rate4k8 9k6 19k2 38k4 57k6 115k2
  • • Data framing transparent8N1 | 8N2
  •   Data framing Modbus8N2 | 8E1 | 8O1
SERVICE PORT (RS232)
  • • Data formatSERIAL ASYN UART/NRZ
  • • Baud Rate19200
  • • Data framing8N1
  •  
  • 1 NON CONDENSING
EIA RS232 – TRAXBUS

Is the easiest way to implement TraxBus when the number of remote peripherals and the system architecture does not require more than 1 TraxBus line. A single master controller is connected to SubD 9 female socket: only RxD, TxD and GND are required.

EIA RS485 – TRAXBUS

EIA-RS485 operates in push-pull action over two lines, allowing the connection of up to 32 transceivers, thus can be used to drive one or more TraxBus lines. A single master controller is connected to SubD 9 female of one or more TraxInterface4.