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PSX-NL4 Network Module - Operation Manual
Introduction
Product Description
The PSX-NL4 module is a networking appliance which may be used with the PSX product line. The PSX-NL4 is used to monitor power
supply system status over a local or wide area network. When used with a PSX DC system, the PSX-NL4 will allow limited control of
the power system and provide values on demand for power supply output voltage, operational fault status, battery charging voltage,
battery charging current, and fire alarm input status. The PSX-NL4 is required in systems using an M8 lock control module. In addi-
tion, the PSX-NL4 may be used with any 8-30VDC power supply in a limited fashion.
Automated reports may be generated on any detected fault condition, battery aging, fire alarm interface activation, and event activa-
tion, or on a time base for scheduled confirmation of proper operation. When used with an PSX-M8/M8P, the PSX-NL4 allows pro-
gramming and control of the PSX-M8/M8P board and its zones as well as monitoring of voltage and current on each zone. A time and
date stamped log of the past 1000 events is kept as history in a buffer and may be accessed on demand, as a scheduled report, or
immediately on an alert or occurrence. The buffer is updated once per hour with all parameters in normal range.
In addition to providing four data ports for connection to PSX power supplies and M8 boards, the PSX-NL4 provides additional inputs
for standalone or PSX power supply use to monitor an additional DC voltage value, an Event input (voltage), and two DC currents via
current sensor devices. The surrounding air temperature is measured and reported, and an optional remote temperature sensor allows
monitoring of a temperature up to six feet away. The Event Input logic can be programmed to respond to the application or removal of
voltage to compensate for NO or NC activity.
The PSX-NL4 provides two outputs for use in controlling external equipment which may be connected to LifeSafety Power's RB2, RB5,
or RB8 DPDT relay modules.
Class 2 power limited wiring must be seperated from non-power limited wiring by a minimum of 1/4 inch and must use seperate
knockouts
•TheinstallationandallwiringmethodsshallbeinaccordancewithANSI/NFPA70andalllocalcodes.
For ULC compliance, installation and all wiring methods shall be in accordance with the Canadian Electrical Code, C22.1, Part I, Section 32.
All input/output wiring to the module shall be located within the same room (90 ft. max.).
Specifications
Power Input Voltage 8–30VDC
Current 60mA Nominal
ADC Input Voltage 0–30VDC
Resolution 10 Bits
Accuracy ± 3%
Event1 Input Voltage 9–30VDC
Current 15mA Max.
Control Outputs Current 50mA Max.
Current Sensors Current 0–20A ±0.1A +5% of reading
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