MSI7P is a signal isolator utilized to prevent damage to valuable PLCs, DCS, etc. from fluctuations in the input signal from field devices. It is also a signal multiplier that can retransmit up to 5 output signals from 1 input signal. It receives input from Zirconia oxygen probes. The signal isolator’s range is 0-20.9 %O2 and -8.5mv ~ 3800mv. Versions for universal input and carbon potential are also available. Standard outputs include current and voltage, if our customer desires non-standard outputs, each must be specified. MSI7P provides signal isolation of 1 KV AC RMS/1 minute and 250 V AC RMS/continuous between its own power supply, the input and output. The operator calibrates ZERO and SPAN for the isolator via membrane keys on the front of the unit. MSI7P features a single programmable LCD display, which indicates percentage oxygen, type of thermocouple, process value, output signal and output signal percentage.
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