I-87017W-RMS-G CR, 8-ch True RMS Analog input Module
I-87017W-RMS-G CR
8-ch True RMS Analog input Module
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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
- 0.15% Additional Error to Crest Factor of 3
- Individual Channel Configurable
- 4 kV ESD Protection
- ±35 VDC Overvoltage Protection
- 3000 VDC Intra-module Isolation
- RoHS Compliant
- Wide Operating Temperature Range: -25 to +75°C
Introduction
The I-87017W-RMS 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 I-87017W-RMS 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, 3000 VDC intra-module isolation and +/-35 VDC overvoltage protection.
Applications
- Building Automation
- Factory Automation
- Machine Automation
- Remote Maintenance
- Remote Diagnosis
- Testing Equipment
Specifications
CPU Module
Watchdog Timer: Yes, Module (1.6 Seconds), Communication (Programmable)
Isolation
Intra-module Isolation: 3000 VDC
EMS Protection:
ESD (IEC 61000-4-2): ± 4 kV Contact for Each Terminal
±8 kV Air for Random Point
LED Indicators
Status: 1 x Power and Communication
16 x I/O
Analog Input
Channels: 8
Type: 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
Data Format: N, 8, 1
Protocol: DCON
Power
Consumption: 1.0 W Max.
Mechanical
Dimensions (mm): 30 x 102 x 115 (W x L x H)
Environment
Operating Temperature: -25 ~ +75 °C
Storage Temperature: -40 ~ +85 °C
Humidity: 10 ~ 95% RH, Non-condensing