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INSTALLATION GUIDE FOR THE
ENVIROMUX-S420MA-24V
INTRODUCTION
The NTI ENVIROMUX-S420MA-24V Sensor Converter monitors 4-20mA sensors (up to two) when connected to an
ENVIROMUX-16D, ENVIROMUX-5D or ENVIROMUX-2D (SYSTEM). The 4-20mA sensors can be any ISA Type 2, ISA Type 3,
and ISA Type 4 sensor. When connected to a SYSTEM via 18-24AWG CAT5/5e/6 cable (up to 500 feet away), the 4-20mA
sensors can be monitored and the SYSTEM can be configured to alert users as to variations in the current levels.
Features:
External RJ45 device monitors up to two 4-20mA sensors
Supports ISA Type 2, ISA Type 3, and ISA Type 4 sensors
Provides 24VDC, 25mA for each sensor
8-position screw-terminal connection
Supports CAT5/5e/6 cable up to 500ft
Includes Mounting Ears
RoHS certified
MATERIALS SUPPLIED
ENVIROMUX-S420MA-24V Sensor Converter
1K Ohm Resistor (for use with ISA Type 4 Sensors)
INSTALLATION
Mount the ENVIROMUX-S420MA-24V using the mounting ears provided. To use the ears, remove the screws securing the ears
to the rear of the ENVIROMUX-S420MA-24V, turn the ears around, and reapply the screws.
holes on the bottom of the unit so that it can be hung as shown in the image below.
1
Alternatively, secure one ear to
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Summary of Contents for NTI ENVIROMUX-S420MA-24V
- Page 1 1K Ohm Resistor (for use with ISA Type 4 Sensors) INSTALLATION Mount the ENVIROMUX-S420MA-24V using the mounting ears provided. To use the ears, remove the screws securing the ears to the rear of the ENVIROMUX-S420MA-24V, turn the ears around, and reapply the screws.
- Page 2 To mount multiple Sensor Converters in close proximity to the SYSTEM, install an extension rail kit (NTI ENVIROMUX-RL-16D - sold separately) and mount Sensor Converters as seen in the illustration below. CONNECTION Connect a 4-20mA sensor to the “+ , – , 24V, and (earth ground)”...
- Page 3 When applying sensors, be sure that the total load on each row does not exceed 500mA or failure of the SYSTEM may result. Note: If you apply 3 ENVIROMUX-S420MA-24V to each row, you will not be able to use many of the remaining sensor ports due to lack of remaining capacity.
- Page 4 When a ENVIROMUX-S420MA-24V Current Sensor is connected to the SYSTEM, the summary page will update with two sensor names of the Type “Current”. Various types of sensors can be connected to an ENVIROMUX-S420MA-24V. In order to better define the sensor on the Summary Page, in SNMP traps, or in an MIB browser, click on the “Edit” link to open the sensor configuration page and configure the sensor.
- Page 5 Most of the sensor settings are the same as any other sensor configuration (see your SYSTEM manual for details) but there are some differences: Sensor Settings Description Associate Sensor Select if the Type “Current” should be replaced by the sensor type to be entered in the next box Associated Sensor Type Enter the “Type”...
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