AMC系列开孔88×88三相多功能网络电力仪表,采用交流采样技术,可直接测量三相电网中的电流和电压。既可用于本地显示,又能与工控设备连接,组成测控系统。
开孔88×88三相多功能网络电力仪表可具有RS-485通讯接口,采用兼容Modbus-RTU协议;可将电量信号转换成标准的模拟量输出;或带一路继电器报警输出;或带四路(两路)开关量输入/两路开关量输出。根据不同要求,通过仪表面板按键,对变比、报警、通讯等参数设置和控制。
技术参数 Technical parameter | 指标 Value | ||
输入 Input | 标称值 Nominal value | 交流电压:AC100V、220V、380V;交流电流:AC1A、5A; AC voltage: AC100V、220V、380V; AC current:AC1A、5A; 特殊规格可事先咨询 Consult special specification in advance | |
过载 Overload | 电压:1.2倍持续,2倍持续1秒;电流:1.2倍持续,10倍持续1秒 Voltage:1.2 times continuous, 2 times continuous 1 second; current: 1.2 times continuous,10 times continuous 1 second | ||
频率 Frequency | 45Hz~65Hz | ||
功耗 Power consumption | 各电压、电流输入回路功耗均小于0.5VA Power consumption of each voltage, current Input circuit is less than 0.5VA | ||
精度等级 Accuracy class | 0.5级 | ||
功能 Fuction | 显示 Display | LED或LCD显示,倍率可任意设置,报警、开关量指示; LED or LCD display, can set multiplying power, alarm, switching indication —路模拟量时,可编程设计设置对应显示; For 1 channel analog, display related programmable setting, AMC48三相表的显示方式可编程设置:三相数据轮回显示或手动切换显示(按左右键切换) 相应的指示灯会点亮。 The display mode of AMC48 three-phase meter can be set by programming.Three-phase data cycle display or manual switch display(press left/right key to switch).The corresponding indicator light will be on. | |
通讯 Communication | RS485, Modbus-RTU兼容协议;1个起始位,8个数据位,1个停止位, RS485, Modbus-RTU compatible protocol; 1 start bit, 8 data bit, 1 stop bit, 无奇偶校验;波特率:2400/4800/9600/19200 bps no parity,Baud Rate 2400/4800/9600/19200 bps | ||
报警 Alarm | 1路无源继电器,触点容量1A/30VDC,1A/250VAC, 1 channel passive relay, contact capacity 1A/30VDC, 1A/250VAC, 高、低、不平衡报警等 Used for high、low, unbalance alarm etc. | ||
模拟量 Analog
| DC4~20mA、DC0~20mA(负载 < 500 Ω), DC4~20mA, DC0~20mA( load < 500Ω), DC0~5V(负载 > 1kΩ)等 DC0~5V( load >1kΩ) etc. | ||
开关量 Switching | 输入 Input | 四路或两路干接点输入,内置电源,光耦隔离 4 channel or 2 channel dry contact Input, built in power supply, optoisolator | |
输出 Output | 两路开关量输出,常开继电器触点, 容量:1A/30VDC, 1A/250VAC 2 channel switching output, NO relay contact, capacity: 1A/30VDC, 1A/250VAC | ||
电源 Power supply | 电压范围 Voltage range | AC220V | |
功耗 Power consumption | <5VA | ||
绝缘电阻 Insulation resistance | ≥100MΩ | ||
工频耐压 Power frequency withstand voltage | 外壳与各端子组(除参比电压≤40V的端子)之间 AC 4kV/1min(RMS) Between the shell and all set of terminals(except the set of terminals reference voltage less than 40V) AC 4kV/1min(RMS) 电源端子组与信号输入、输出端子组之间2KV/1min(RMS) Between power supply set of terminals and signal Input, output set of terminals 2kV/1min (RMS) | ||
平均*工作时间 Mean time between failures | ≥50000h | ||
环境 Environment | 温度 Temperature | 工作:-10°C ~+55°C 贮存:-25°C ~+70°C Operation: -10°C~+55°C Storage: -25°C ~+70°C | |
湿度 Humidity | ≤93%RH,不结露,不含腐蚀性气体 ≤93%RH, no condensation, without corrosive gas | ||
海拔 Altitude | ≤2500m |
4.1 外形及安装开孔尺寸 Outline and mounting cut out size
仪表外形 Shape | 面板尺寸 Panel | 壳体尺寸 Housing | 开孔尺寸 Cut out | ||||
单位:mm Unit: mm | 宽 Width | 高 Height | 宽 Width | 高 Height | 深 Depth | 宽 Width | 高 Height |
48方形 48 Square | 48 | 48 | 44 | 44 | 100 | 45 | 45 |
72方形 72 Square | 75 | 75 | 66 | 66 | 98 | 67 | 67 |
96方形 96 Square | 96 | 96 | 86 | 86 | 92 | 88 | 88 |