Bridge Signal Converter/Isolator

Feb. 10, 2011
Designed for factory and process load-cell applications that include engine and turbine strain measurement, and weight or level controls, Weidmuller's ACT20P Bridge signal converter/isolator provides precise performance in a compact design.

This new-generation converter/isolator will accept up to 4 load cell inputs in a single unit.

Compared to the bulky electronics systems from some load cell suppliers, the compact, DIN-rail mountable ACT20P Bridge is easy to set up and use, and provides a full range of benefits. For fast and accurate weighing, the "P-Bridge" provides 65ms response time (10-90%) and an impressive 0.05% accuracy. If a different load cell is required for a new application, the P-Bridge offers users switch-selectable input and output ranging, with simple and reliable on-site push button calibration - all easily accessible behind the front cover of the unit. The P-Bridge can be integrated into the load controls, allowing the user to operate and feed an external relay input before each measurement to subtract the "tare" weight. Simple calibration can be performed on-site by means of either a push button or a signal from the PLC.

The P-Bridge offers users standard installation features that include 12-60VDC auxiliary power, a selectable 5V/10V sensor supply, a 4-wire or 6-wire sensor connection and a -4° F to +158° F (-20°C to 70°C) operating temperature range. The 4kV isolation between the input, the voltage supply and the output ports provides protection against field noise.

The new ACT20 housing offers innovative cabling features for quick and simple installation. Each of the pluggable field connectors has a lever for easy removal and is individually coded to prevent miss-connection. In addition, timesaving cross-connections for power voltages are available via the power rail option. With CE and cULus approvals, the ACT20P Bridge is suitable for use worldwide.

Weidmuller -

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