产品介绍:8通道True RMS输入模块
产品特点:
8通道True RMS输入
·出厂校准度±0.15%
·RMS输入范围可以从150m Vrms至10 Vrms
·标准工作频率范围45Hz到10 kHz
·通道可个别设定输入范围
·4 kV ESD保护
·±35 VDC过电压保护
·2500 VDC的模块内部隔离
·符合RoHS
·宽工作温度范围:-25 ~ 75°C
产品规格:
模拟量输入 | ||
通道 | 8 | |
Wiring | 差分 | |
输入范围 | 0 ~ 10 Vrms, 0 ~ 5 Vrms, 0 ~ 1 Vrms, | |
0 ~ 500 mVrms, 0 ~ 150 mVrms | ||
分辨率 | 16位 | |
精度 | 正弦曲线 | |
50/60 Hz | ±0.15% of FSR | |
45 Hz to 10 kHz | ±0.5% of FSR | |
非正弦 | ||
Crest Factor = 1 to 2 | ±0.2% of FSR | |
Crest Factor = 2 to 3 | ±0.35% of FSR | |
DC | ||
0 ~ 10 Vrms/ 0 ~ 5 Vrms/ | ±0.3% of FSR | |
0 ~ 1 Vrms, | ||
Other | ±0.7% of FSR | |
采样率 | 10 Hz (Total) | |
-3dB Bandwidth | 15.7 Hz | |
Zero Drift | ±20 μV/°C | |
Span Drift | ±25 ppm/°C | |
Common Mode Rejection | 86 dB | |
Normal Mode Rejection | 100 dB | |
输入阻抗 | >2 MΩ | |
单独通道设置 | Yes | |
过压保护 | ±35 VDC | |
通讯 | ||
接口 | RS-485 | |
偏压电阻器 | No (Usually supplied by the RS-485 Master. Alternatively, add a tM-SG4 or SG-785.) | |
波特率 | 1200 to 115200 bps | |
协议 | Modbus RTU, DCON | |
双看门狗 | Yes, Module (1.6 Seconds), Communication (Programmable) | |
LED指示灯/显示器 | ||
System LED指示灯 | Yes, 1个电源/通讯指示灯 | |
I/O LED指示灯 | - | |
7-segment LED Display | - | |
隔离 | ||
Intra-module Isolation, Field-to-Logic | 2500 VDC | |
EMS保护 | ||
ESD (IEC 61000-4-2) | ±4 kV Contact for each Terminal | |
±8 kV Air for Random Point | ||
EFT (IEC 61000-4-4) | ±4 kV for Power Line | |
Surge (IEC 61000-4-5) | ±0.5 kV for Power Line | |
电源 | ||
反极性保护 | Yes | |
输入 | 10 ~ 30 VDC | |
功耗 | 0.9 W | |
机械 | ||
尺寸 (L x W x H) | 123 mm x 72 mm x 35 mm | |
安装方式 | 导轨安装 | |
环境 | ||
工作温度 | -25 ~ 75°C | |
储存温度 | -40 ~ 85°C | |
湿度 | 10 ~ 95%相对湿度,无凝结 |