Multiplexers / AM16/32A
This product is no longer available and has been replaced by: AM16/32B. Some accessories, replacement parts, or services may still be available.
AM16/32A 16-channel or 32-channel Relay Multiplexer


On 16 January 2008, the AM16/32A was replaced with the AM16/32B. A new clocking mode was added to the AM16/32B that allows a relay address to be used to go directly to a specific channel; the AM16/32A sequentially advanced through all of the channels.



Power 9.6 to 16 Vdc, under load, unregulated
Quiescent Current Drain < 210 µA
Active Current Drain 6 mA (typical)
Maximum Actuation Time for Relay 20 ms
Maximum Switching Current 500 mA
Switching currents greater than 30 mA (occasional 50 mA acceptable) degrade the suitability of that channel for switching low-voltage signals.



Short Cut software (available at no charge from our Web site) supports simple programming and generates wiring diagrams for AM16/32A applications; early versions of Short Cut did not support multiplexers.

Datalogger Considerations

A series of datalogger instructions control the AM16/32A operation (measurement instructions that are repetitive are generally contained within a programming loop; in the CR800-series, CR1000, CR3000, and CR5000, this functionality is available in the SubScan instruction).

Compatible Contemporary Dataloggers

CR200(X) Series CR800/CR850 CR1000 CR3000 CR9000X

Compatible Retired Datalogger

CR500 CR510 CR10 CR10X 21X CR23X CR9000 CR5000 CR7X

*Although the CR9000(X) is compatible, the AM16/32A does not support their fastest communication rates and therefore is not practical for most applications.


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