| 参数 | 价值 |
|---|---|
| 产品(自供电液晶显示屏累计器) | H7EC-NV-_/H7EC-NV-_H |
| 显示屏(自供电液晶显示屏) | 7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) |
| 附件(自供电液晶显示屏累计器) | Waterproof packing, flush mounting bracket |
| 表壳颜色(自供电液晶显示屏累计器) | Light grey or black (-B models) |
| 无电压(自供电液晶计数器) | 30 Hz <-> 1 kHz (switchable) |
| 计数输入(自供电液晶显示屏累计器) | High (logic) level: 4.5 to 30 VDCLow (logic) level: 0 to 2 VDC(input impedance: Approx. 4.7 kΩ) |
| 复位输入(自供电液晶显示屏累计器) | No voltage inputMaximum short-circuit impedance:10 kΩ max.Short-circuit residual voltage: 0.5 V max.Minimum open impedance: 750 kΩ min. |
| 重置系统(自供电液晶显示屏累计器) | External reset and manual reset: Minimum signal width of 20 ms |
| 操作模式(自供电液晶显示屏累计器) | Up type |
| 供电电压(自供电液晶计数器) | Backlight model: 24 VDC (0.3 W max.)(only for backlight)No-backlight model: Not required(powered by built-in battery) |
| 浅灰色机身(自供电液晶显示屏) | Black body |
| 安装方式(自供电液晶计数器) | Flush mounting |
| 位数(自供电液晶显示屏累计器) | 8 |
| 环境温度(自供电液晶显示屏) | Operating: -10 to 55°C (with no condensation or icing), storage: -25 to 65°C (with no condensation or icing) |
| 最大计数速度(自供电液晶显示屏累计器) | 30 Hz/1 kHz |
| 防护等级(自供电液晶显示屏) | Front-panel: IP66, NEMA4, terminal block: IP20 |
| 外部连接(自供电液晶显示屏累计器) | Screw terminals, optional wire-wrap terminals |
| 最小信号宽度(自供电液晶计数器) | 20 Hz: 25 ms, 30 Hz: 16.7 ms, 1 KHz: 0.5 ms |
| 尺寸(高×宽×深)(自供电液晶显示屏) | 24×48×55.5 |
| 电池寿命(参考值)(自供电液晶显示屏累计器) | 7 years min. with continuous input at 25°C (lithium battery) |
| AC/DC多电压输入(自供电液晶显示屏) | 20 Hz |
| 7段式液晶显示屏,带背光(自供电液晶累加器) | H7EC-NV-H |
| PNP/NPN通用直流电压输入(自供电液晶显示屏) | 30 Hz <-> 1 kHz (switchable) |
技术规格和性能数据
安装和操作指南