Q4C电子控制器
添加时间：2010-3-15 编辑：读取中…… 阅读：次
- 产品名称：Q4C电子控制器
- 产品定货号：MR-07602-00
The Q4C is a multi-channel controller display and alarm unit that utilizes digital communications to interface with a maximum of four remote digital QEL transmitter/sensors. These are used to measure a wide variety of toxic gases such as CO, NO , NH , H S, SO , Refrigerants, and Combustibles. The RS-485 communication is connected via a 4-wire 2 3 2 2 multidrop daisy chain configuration to reduce the overall installation costs of the system. Alarm setpoints are set through
the front keypad or through QEL supplied software that is downloaded to the controller from a PC or laptop computer. Common relay configurations include voting, averaging, delay on actuation and de-actuation, normally or not-normally energized and latching. The audible alarm has three buzzer settings, continuous, intermittent and double-tap intermittent.
An additional feature includes 24 VDC transistor outputs for a horn and strobe. Available options are a four SPDT relay board, an analog output board that features 4-20 mA, or 2-10 VDC outputs assignable as averaging or peak mode, and an RS-485 output board to communicate with our powerful M-CONTROLLER forty input controller. Each controller comes standard with a 2 x 8 character back-lit display, key pad, software CD and interface cable.
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