Calex Low Cost Strain Gage to PLC Converter
|Calex announces the model 8555 DIN mount Strain Gage to Frequency converter which is a cost effective solution for taking strain gage or load cell signals and converting them to a pulse for input into the high speed counter of a PLC. The 8555 accepts a 0 - 50mV differential or single ended signal and converts it to a 0 - 5kHz pulse compatible will virtually all PLC manufacturer's high speed inputs. The 8555 includes a 10 Volt excitation source making it a complete turn key strain gage/load cell conditioner.
For input requirements other than 0 - 50mV, Calex has produced a number of variations all the way down to 0 - 2mV full scale for customer specific applications. The output of the 8555 is an isolated floating optocoupler transistor which provides DC isolation from the input and DC power. The output frequency of 0 - 5kHz can also be adjusted by the factory for customer specific applications. The output is linear to 0.01% with a very high accuracy of better than 0.1%. The built-in 10 Volt excitation source provides sufficient current to drive a 350 Ohm bridge. The 8555 is powered by 24VDC with a maximum current draw of 45mA.
The dimensions of the 8555 are 1.65"H x 1.06"W x 3.78"L. The unit is recognized to UL 508 and UL 1604. Units are typically available from stock to three weeks.
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