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RT-MUX 16/32 – Signal Multiplexer

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UP TO 32 CHANNELS

RELIABLE AND COST EFFECTIVE

VERY LOW POWER CONSUMPTION

The RT-MUX-16/32 is a compact, robust and reliable signal multiplexer. The cost effective RT-MUX can be used in daisy-chain configuration for additional economy

Description

The RT-MUX-16/32 Signal Multiplexer is a cost effective way to expand the amount of channels a single datalogger can handle. The use of this multiplexer enables the user to lower the overall cost of a telemetry system on a project by maximizing the use of a single datalogger and minimizing the amount of cable required when used in a junction box.

It can multiplex up to 32 sensors (with 2 conductors each) or 16 sensors (with 4 conductors each). Its modular design offers the possibility to add an effective surge protection that will protect every channel against lightning or EMI/RFI.

The compact size of the RT-MUX-16/32 allows the user to save space within a switchbox or within an Automatic Datalogging System (ADAS), and its low power consumption won’t drain a standalone battery-powered data acquisition system. 

RT-MUX-16/32 can be used in daisy-chain configuration. They can operate in a serial layout; An economic feature to minimize the cable length required to link multiple multiplexers to the same datalogger.

The RT-MUX-16/32 is the champion of low power consumption with a quiescent current of less than 20uA. When powered to take a measurement, the RT-MUX-16/32 has the capability to power multiple pairs of sensors individually or the full multiplexer.

Specifications

Number of Channels

16 channels (4 wires) or 32 channels (2 wires)

Initial contact resistance

0,1Ω

Max. switching current

500 mA at 30VDC

Max. switching voltage

110VDC

Insulation resistance

> 1000MΩ

Contact Life

> 5 x 105 operations

Max. relay actuation time 

50ms

Reset and Clock signals

TTL level (5,5 V maximum)

Power

10—16 VDC (unregulated)

Max. Current per 12V output

250 mA

Max. Current all 12V output

1A 

     

Quiescent Current 

<20uA

Active Current

<25mA

Operating T°

-40°C to +70°C

Storage T°

-40°C to +70°C

Humidity

0-95% RH, non condensing

Dimension Weight

57 x 126 X 273 mm / ≈1 kg

Surge Protection

No Protection

Standard model
 Reverse protection on power(12V)
 TVS 1500W on Clock and reset input/output

Gaz tube protection

All features above plus
 230V 5kA 1pF on all input signals

Full protection3 

All features above plus
 6 elements protection
 Gaz tube , TVS and inductance
 10 uH inductor to limit inrush surge current
 TVS 36V 1500W on all input signals

Note:

  1. Does not affect the input signal
  2. Offers protection with almost no signal effects
  3. Not recommended to read low resistance signal and high voltage (higher than 25V)
Ordering Info

Please specify:

  • Optional gas tube surge protection
  • Optional full surge protection
  • Rotary switch connectors
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