Data sheet:
RS422/RS485 <> 20mA interface, Industry
Serial interface - connect with galvanic isolation
The Interface connects devices equipped with an RS422 or RS485 interface to active or passive 20mA components The built-in galvanic isolation ensures uninterrupted transmission in industrial environments.
Properties
Interfaces:
- 1x RS422/485
- 9-pin Sub-D plug
- RS422/485: 4-wire bus master
- RS485: 2/4-wire bus systems
- 1x 20mA
- 9-pin Sub-D plug
- Selectable active or passive
- Alternate designations: Current loop, TTY, line current interface
- Galvanic isolation between the ports
- Isolation voltage 1kV DC
Management and Connectivity:
- Active/Passive mode can be set individually for both loops
- No re-configuration of transmission parameters required
Power supply:
- External
- 12V-24V AC/DC via plug-in screw terminal
- Galvanically isolated power connection
Standards & more
- Conforms to standards both in office and industrial environments:
- High noise resistance per EN 61000-6-2
- Low noise emission per EN 55032:2015 + A1 Cl. B, EN 61000-3-2 & EN 61000-3-3
- 5 year guarantee
Technical data
Connections and displays:
- Serial Port A:
- RS422/RS485 interface
- 9-pin SUB-D adapter, PC assignment
- Serial Port B:
- 20mA interface
- 9-pin SUB-D adapter
- Switching time:
- approx. 10µs for changing from data sending to receiving for RS485 automatic control (can be modified on request)
- Baud rate:
- 0 to 19200 Baud
- Data format:
- any format
- Supported signals:
- RxD, TxD
- Termination:
- Connectable termination network for RS485 operation
- Galvanic isolation:
- Isolation voltage min. 1kV DC between all terminals
- Power supply:
- 12..24V DC/AC
- Current consumption:
- typ. 130mA @12V DC, 65mA @24V DC
- Supply voltage connection:
- Plug-in screw terminal, 5.08mm spacing
- Labeled "L+" and "M"
- Displays:
- 1 LED Power
- 1 LED Data
Housing and other data:
- Housing:
- Plastic housing for top hat rail installation
- 105 x 22 x 75mm (L x W x H)
- Weight:
- approx. 100g
- Ambient temperature:
- Storage: -40 .. +70°C
- Operating (non-adjacent installation): 0 .. +60°C
- Operating (adjacent installation) 0 .. +50°C
- Permissible relative humidity:
- 5..95% RH (non-condensing)
- Life expectancy:
- > 25 years at 25°C ambient temperature
- Scope of delivery:
- RS422/RS485 <> 20mA interface, Industry
- Please order power supplies separately as accessories
* Our offering is intended only for commercial users. We will be happy to refer private end customers to trading partners through whom our products can be purchased.