PD138 Minimux
®
II Temp & Process Scanner
Instruction Manual
5
INTRODUCTION
The Minimux
®
II is a microprocessor-based eight channel analog input
scanner/multiplexer and annunciator that provides low-cost automatic
switching for multi-point display and alarm systems. Each Minimux
®
II can
automatically switch up to eight inputs to another device such as a digital
panel meter, controller, or PLC. Multiple units can be connected together
to scan an unlimited number of points. Front panel push-buttons allow for
easy programming of independent adjustable dwell times as well as rapid
channel skipping. The built-in annunciator logic can detect and indicate
which input signals are in alarm condition. The built-in horn, alarm relay,
and front panel LEDs are sure to catch the operator’s attention. Signal
switching is done with reed relays making the Minimux
®
II ideal for
switching thermocouples, RTDs, control loops, and AC & DC signals.
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