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&plu***n;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
·&plu***n;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
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 | &plu***n;0.15% of FSR | |
| 45 Hz to 10 kHz | &plu***n;0.5% of FSR | |
| 非正弦 | ||
| Crest Factor = 1 to 2 | &plu***n;0.2% of FSR | |
| Crest Factor = 2 to 3 | &plu***n;0.35% of FSR | |
| DC | ||
| 0 ~ 10 Vrms/ 0 ~ 5 Vrms/ | &plu***n;0.3% of FSR | |
| 0 ~ 1 Vrms, | ||
| Other | &plu***n;0.7% of FSR | |
| 采样率 | 10 Hz (Total) | |
| -3dB Bandwidth | 15.7 Hz | |
| Zero Drift | &plu***n;20 μV/°C | |
| Span Drift | &plu***n;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 | &plu***n;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) | &plu***n;4 kV Contact for each Terminal | |
| &plu***n;8 kV Air for Random Point | ||
| EFT (IEC 61000-4-4) | &plu***n;4 kV for Power Line | |
| Surge (IEC 61000-4-5) | &plu***n;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 | |