Bus Technology

  • Freewheeling diode double

    Freewheeling diode double

    Description Diode suppressor circuits for electrical and electronic control systems. Spark suppression diodes to prevent overvoltage in inductive loads such as solenoid valves, DC relays, DC valves etc. Explosion ProtectionMarking ATEX II 2G Ex db e IIC...

  • Freewheeling diode single

    Freewheeling diode single

    Description A freewheeling diode is used as a suppressor circuit. This module can be installed in series or in parallel to an electrical circuit as with a rail-mounted terminal. There are two connection terminals on either side to facilitate wiring to...

  • 16 NAMUR in (16 x digital in Ex i)

    16 NAMUR in (16 x digital in Ex i)

    PROFIBUS-Interface for zone 1/21 In the Ex i version, the MODEX Ex i digital in module with 16 digital inputs enables 16 binary signals to be evaluated. For example, NAMUR sensors, optocouplers, mechanical contacts or other actuating elements can be...

  • 16 x digital in Ex e

    16 x digital in Ex e

    In the Ex-e version, the MODEX digital in module with 16 digital inputs enables 16 binary signals to be fed in. For example, pressure-resistant limit switches or control devices can be imported as signals. The module is connected to the process control...

  • 16 x digital out Ex e

    16 x digital out Ex e

    In the Ex e version, the MODEX digital out module can control various actuators using 16 digital outputs. During operation, a channel can be short-circuited on the short-circuit proof outputs (short-circuit proof to a limited extent). For example,...

  • 16 x digital out Ex i

    16 x digital out Ex i

    In the Ex i version, the MODEX digital out Ex i module can control various actuators using 16 digital outputs. During operation, a channel can be shortcircuited on the short-circuit proof outputs (short-circuit proof to a limited extent). For example,...

  • 4 x digital out Ex e/8 x digital in Ex i

    4 x digital out Ex e/8 x digital in Ex i

    PROFIBUS-Interface for zone 1/21 With the MODEX 4 x Ex e digital out/8 x Ex i digital in, it is possible to control 4 Ex e valves while simultaneously importing limit switches via 8 digital intrinsically safe inputs. The statuses of the control and end...

  • 4 x digital out Ex i/8 x digital in Ex i

    4 x digital out Ex i/8 x digital in Ex i

    PROFIBUS-Interface for zone 1/21 With the MODEX 4 x ahdigital out Ex i/8 x Ex i digital in, it is possible to control 4 Ex i valves while simultaneously importing NAMUR limit switches via 8 digital intrinsically safe inputs. The statuses of the control...

  • 4 x RTD in Ex i

    4 x RTD in Ex i

    The MODEX RTD in Ex i module enables an intrinsically safe connection of 4 Pt100, Pt1000, resistors or potentiometers. The inputs are galvanically isolated from each other, from the power supply and from the bus. The module is connected to the process...

  • 8 x 4 in 20 mA 8 Transmitter in Ex e

    8 x 4 in 20 mA 8 Transmitter in Ex e

    In the Ex e version, the MODEX 8 x 4 to 20 mA module with 8 analogue inputs enables 8 analogue signals to be fed in. For example, two-wire transmitters can be imported as signals. The input signal has 12-bit resolution and is transmitted with high...

  • 8 x 4 to 20 mA in

    8 x 4 to 20 mA in

    In the Ex i version, the MODEX 8 x 4 to 20 mA module with 8 analogue inputs enables the supply and data logging of 8 analogue intrinsically safe two-wire transmitters. The input signal has 12-bit resolution and is transmitted with high interference...

  • 8 x 4 to 20 mA in passive

    8 x 4 to 20 mA in passive

    In the Ex e version, the MODEX 8 x 4 to 20 mA module with 8 analogue inputs enables 8 analogue active signals to be fed in. The input signal has 12-bit resolution and is transmitted with high interference resistance. The module is connected to the...