72EVR1500 Installer/User Guide

Appendix E: Customer-Supplied Sensors

Customer-supplied sensors used with the EVR1500 environmental monitor

appliance must meet the requirements shown in the following table.

Requirements for Customer-Supplied Sensors

Analog Sensors

Requirements

Power

Must accept 12 VDC if powered by EVR1500

 

environmental monitor appliance.

 

 

Input Voltage

Positive voltage between Ø to 40 V;

 

Example input minimum voltages are 1, 0, 0, 2.

 

Example input maximum voltages are 5, 5, 10, 10.

 

 

Input Current

4-20 mA sensors can be used with an external resistor

 

or the internal jumpers. Contact Avocent

 

Technical Support.

 

 

Pinout for RJ-45

Pin 1, ground.

 

 

 

Pin 5, voltage input (from sensor to EVR1500

 

environmental monitor appliance).

 

 

 

Pin 8, - +12 V output (from EVR1500 environmental

 

monitor appliance to sensor).

 

 

Scale

Linear input required.

 

 

Digital Sensors

 

 

 

Input Voltage

Ø to 5 VDC.

 

 

Pinout

See Appendix C.