Page 17 - 浙江乔宇电气有限公司
P. 17
QY 三相系列数显表
QY Three Phase Series Digital Meter
性能特点 /Feature
◆ 高精度测量三相交流电流 / 三相交流电压; ◆ Measure 3-phase AC current with high-precision/Three phase AC voltage;
◆ 提供数码管显示,本地数据查询; ◆ Provide LED display and local data query;
◆ 电流、电压变比可编程设置; ◆ Programmable current transformation ratio;
◆ Support RS-485 communications and Modbus-RTU protocol;
◆ 支持 RS-485 通讯,Modbus-RTU 协议;
◆ 支持开关量输入、开关量输出、模拟量变送输出; ◆ Support switch input, switch output and analog output;
◆ Power supply: AC / DC 80V~270V、 AC 220V、AC 380V、AC 100V;
◆ 辅助电源:AC/DC 80V~270V、AC220V、AC380V、AC100V; ◆ There are various choices of dimensions to meet the requirements of different
◆ 多种外形选择,满足不同柜体电气回路的要求。 electrical circuit enclosure.
技术指标 /Technical Index
测量精度 电流、电压 Current and voltage 0.2 级 0.2class
Accuracy Measurement
接线方式 Connection mode 三相四线、三相三线 Three-phase four wire, three-phase three wire
额定电流 Rated current AC 1A、AC 5A
额定电压 Rated voltage AC 57.7V、AC 100V、 AC 220V、AC380V
电压:1.2 倍 ( 持续 ),2 倍 /1 秒 ( 瞬时 ),电流:1.2 倍 ( 持续 ),10 倍 /5 秒 ( 瞬时 )
信号输入
Input Measurement 过负载 Overload Voltage: 1.2 times (sustained), 2 times / sec (instantaneous), current: 1.2 times (sustained), 10 times /5 sec
(instantaneous)
功耗 Power waste 电压:<1VA/ 相,电流:<0.4VA/ 相 Voltage: <1VA/ phase, current: <0.4V Aphase
阻抗 Impedance 电压:>300kΩ,电流:<20mΩ Voltage: >300kΩ, current: <20mΩ
频率 Frequency 45~65Hz
辅助电源 工作范围 Working range AC/DC 80V~270V、AC220V
Auxiliary power supply 功耗 Power waste <4VA
通讯接口 1 路 RS-485 通讯,Modbus-RTU 协议 1 RS-485 communication, Modbus-RTU protocol
Communication interface 波特率:1200~9600bps,默认 2400 bps1200~9600bps, the default baud rate: 2400 BPS
功能模块 开关量输入 Switch input 支持 4 路干结点输入 Support 4 way dry node input
Function module
开关量输出 Switch output 支持 3 路继电器输出,容量:AC 250V/5A,DC 30V/5A
Supports 3 way relay output, capacity: 250V/5A AC, 30V/5A DC
变送输出 Variable output 支持 3 路模拟量输出:0/4~20mA 或 0~5/10VSupports 3 analog output: 0/4~20mA or 0~5/10V
工作温度 Working temperature -10℃ ~+55℃
环境 存储温度 Storage temperature -25℃ ~+70℃
Environmental Science 相对湿度 Relative humidity ≤ 93%,无腐蚀性气体场所 Less than 93%, non corrosive gas
海拔 Altitude ≤ 2500m
安全 绝缘电阻 Insulation resistance >100MΩ
Safety 交流耐压 AC voltage AC 2KV
Zhejiang Qiaoyu Electric Co., Ltd. 12