Reliable Precision Resistance Collector with 4-Channel Measurement Capabilities

• Customization: Available
• Certification: RoHS, CCC, ISO: 9001, CE
• Condition: New
• Model NO.: PJ-SR04
• Number of Input Channels: 4-Channel
• Input Range: 50 Ω -30m &Omega
• Output Signal: RS-485
• Transport Package: Box
• Specification: ABS flame retardant
• Trademark: PARAGON
• Origin: China

Product Description

Product Description

Introduction

This product is a 4-channel resistor collector. The input signal of the product is collected, isolated, and calculated through signal acquisition, and the output is RS-485 to restore the measured signal. The product adopts a professional MCU and a 24 bit high-precision AD for measuringthe true effective value of resistance, which has the characteristics of high accuracy and good stability.

Feature

» The product's wiring terminals adopt large-diameter terminals with a diameter area of 4mm x 4.5mm, which is convenient for customers to connect wires;

» The product adopts surface mount technology internally to ensure long-term stability;

» The product has a delicate and compact appearance, with a width of 90mm, suitable for integrated installation;

» The input and output of the product are electrically isolated, with an isolation withstand voltage of 2500Vdc or above;

» The product has strong anti-interference ability, and the input, output, and power terminals can withstand high surge voltage shocks;

» Support RS-485 output;

» The product has multiple power supply methods, supporting 11-28Vdc, 220V and other power supplies, with low power consumption;

» The installation method of the product is a standard 35mm guide rail installation, which complies with international standards.

Application area

» Resistance signal detection in power system

» Resistance signal detection in industrial control monitoring system

» Resistance signal detection in railway signal monitoring system

» Resistance signal detection in power equipment system

Detailed Photos

  

Product Parameters

 

Accuracy level	0.5
Auxiliary power supply	+11-28V, 220V
Input range	50 Ω -30M Ω (customized according to customer range)
Output signal	RS-485
Communication protocol	MODBUS-RTU standard protocol
Environmental temperature	-10 ºC~+60 ºC
Baud rates	1200, 2400, 4800, 9600 (default), 19200,38400, 57600bps
Data format	"n, 8,1" (default), "n, 8,2", "e, 8,1", "o, 8,1"
RS485 communication	Maximum number of nodes 64
Static power consumption	≤ 0.5W
Rated power consumption	≤ 0.5W
Isolation withstand voltage	DC 2500V
Response time	≤ 300ms
Temperature drift coefficient	≤ 300PPm/ºC
Lightning surge	Power supply 2000V, output 500V
Product appearance	V2 type
Shell material	ABS flame retardant
Installation method	Standard 35mm guide rail installation or screw installation

Wiring diagram

Company Profile