M-7017RMS-G CR: Module RS-485 Modbus & DCON 8 kênh đầu vào tương tự RMS

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M-7017RMS-G CR 8-ch True RMS Input Module using DCON and Modbus Protocols (Gray Cover) (RoHS)

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M-7017RMS-G CR: Module RS-485 Modbus & DCON 8 kênh đầu vào tương tự RMS

Features

• 8-channel True RMS Input
• ±0.15% Factory Calibrated Accuracy
• The RMS input range can be from +150 mVrms to +10 Vrms
• Designed for Standard Operation with Frequencies of 45 Hz to 10 KHz
• Individual Channel Configurable
• 4 kV ESD Protection
• ±35 VDC Overvoltage Protection
• 2500 VDC Intra-module Isolation
• RoHS Compliant
• Wide Operating Temperature Range: -25 to +75°C

Introduction

The M-7017RMS is an 8-channel differential AC input module that is used to convert the AC input signals to their True RMS DC values. The RMS input range can be from +150 mVrms to +10 Vrms, and each channel can be configured individually. The M-7017RMS is a complete, high-accuracy, RMS-to-DC converter that computes the True RMS DC value of any complex waveform. It also features 4 kV ESD protection, 2500 VDC intra-module isolation and +/-35 VDC overvoltage protection.

Application

Specification

CPU Module
Watchdog Timer Yes, Module (1.6 Seconds), Communication (Programmable)

 

Isolation
Intra-module Isolation 2500 VDC

 

EMS Protection
EFT (IEC 61000-4-4) ±4 kV for Power Line
ESD (IEC 61000-4-2) ±4 kV Contact for each Terminal
±8 kV Air for Random Point
Surge (IEC 61000-4-5) ±0.5 kV for Power Line

 

LED Indicators
Status 1 x Power and Communication

 

Analog Input
Channels 8 Differential
Type True RMS
Range 0 ~ +10 Vrms, 0 ~ +5 Vrms, 0 ~ +1 Vrms,
0 ~ +500 mVrms, 0 ~ +150 mVrms
Resolution 16-bit
Accuracy • Sinusoid:
‣50/60 Hz: ±0.15% of FSR
‣45 Hz to 10 kHz: ±0.5% of FSR
• Non-Sinusoid
‣Crest Factor = 1 to 2: ±0.2% of FSR
‣Crest Factor = 2 to 3: ±0.35% of FSR
• DC
‣0 ~ +10 V/0 ~ +5 V/0 ~ +1 V: ±0.3% of FSR
‣0 ~ +500 mV, 0 ~ +150 mV: ±0.7% of FSR
Sampling Rate 10 Hz (Total)
Bandwidth 15.7 Hz
Input Impedance >2 MΩ
Common Mode Rejection 86 dB
Normal Mode Rejection 100 dB
Overvoltage Protection ±35 VDC
Individual Channel Configuration Yes
Zero Drift ±20 μV/°C
Span Drift ±25 ppm/°C

 

COM Ports
Ports 1 x RS-485
Baud Rate 1200 to 115200 bps
Protocol Modbus RTU, DCON

 

Power
Reverse Polarity Protection Yes
Input Range +10 ~ +30 VDC
Consumption 0.9 W

 

Mechanical
Dimensions (mm) 123 x 72 x 35 (W x L x H)
Installation DIN-Rail

 

Environmental
Operating Temperature -25 ~ +75 °C
Storage Temperature -40 ~ +85 °C
Humidity 10 ~ 95% RH, Non-condensing

Download

Data sheet

Documents

Ordering information

M-7017RMS-G     CR  8-ch True RMS Input Module using DCON and Modbus Protocols (Gray Cover) (RoHS)

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