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 |