For some tasks it might be necessary to extend the capacity of the basic units of the net-line FW-5 product family as required. Depending on type and constellation, up to 12 extension modules can be connected to one telecontrol unit.

The so-called TBUS connector, which ensures communication with the base unit and also the power supply for most expansion modules, makes the connection convenient and uncomplicated. If the power supply of the base station is not sufficient, the PWR-1 can provide additional 2.8 A as an additional power supply. The TBUS Remote I/O extension also allows the integration of expansion modules in remote islands with additional power supply.

Indications and commands

  • 2AO

    Expansion module 2AO supplements the capacity of the FW-5 Products with 2 analog outputs

  • 4AO

    Expansion module 4AO supplements the capacity of the FW-5 Products with 4 analog outputs

  • 4AI

    Expansion module 4AI supplements the capacity of the FW-5 Products with 4 analog inputs.

  • 8DI2AI

    Expansion module 8DI2AI supplements the capacity of the FW-5 products with 8 digital and 2 analog inputs

Measurands and set points

  • PDPS-1

    The PDPS-1 module allows a cost-efficient integration of data points from PLC, regulators and intelligent components into the station automation and telecontrol technology via Profibus-DP protocol.

  • mcFO with mcPS-1

    In harsh conditions, local data transmission is preferably realised with noise-resistant fibre optics. The mcFO star coupler provides economical and technically faultless integration of serial protocols.

Communication

  • PM-1

    Power measurement module for recording relevant mains variables in low and medium voltage systems. Measuring currents using current measuring transducers CT. Voltage measurement in LV network, direct or via transformers VT. Calculating Ieff/Ueff TRMS, ULL, P, Q, S, W, f, THD, power factor, active and reactive power and temperature of the module in the field.

  • PM-2

    Power measurement module for recording relevant mains variables in low and medium voltage systems. Measuring currents using current measuring transducers CT. Voltage measurement in LV network, direct or via transformers VT. Calculating Ieff/Ueff TRMS, ULL, P, Q, S, W, f, THD, power factor, active and reactive power and temperature of the module in the field.

Special tasks

  • Remote I/O

    The TBUS extension offers a low-cost method for coupling distributed feeders and remote measuring points to a telecontrol system. Instead of installing a complete FW-5, or needing elaborate cabling of signal and measurement lines to a central RTU, expansion modules of the FW-5 family are installed in a decentralised manner and connected to the TBUS extension with a patch cable.

  • PWR-1

    PWR-1 expansion module serves as an additional power supply for particularly power-intensive extension module constellations.

  • VPP-1

    The VPP-1 extension board enables quick and easy integration of decentralised generation plants.

  • RES-1

    Expansion module RES-1 supplements the capacity of the FW-5 Products with 4 S0 inputs, 2 analog inputs and 4 digital outputs.

  • DSO-1

    Expansion module DSO-1 supplements the quantity structure of the FW-5 products by 6 digital outputs (1.5 pole) and 6 digital inputs.

  • DSO-2

    Expansion module DSO-2 supplements the quantity structure of the FW-5 products by 4 digital outputs (2-pole) and 2 digital inputs.

  • ISO-1

    The ISO-1 enables isolation measurements, which allows operators of district heating networks to detect leaks, loop errors and wire feeders at an early stage from the control centre.

  • PIT-1

    The PIT-1 allows the connection of low-point-, moisture- and temperature sensors and enables the monitoring of water ingress and temperature as well as access control.

Other accessories