上海维宏电子科技股份有限公司
Weihong Electronic Technology Co., Ltd.
Specialized, Concentrated, Focused - 3 -
Fig. 1-4 Structural drawing of PM95A communication card
Both PM85A and PM95A have two indicator lamps—+3.3V_OK(D2) and SYS_OK (D1). The latter one is the
system indicator lamp. See Section 1.5 for details. The former one is the power indicator lamp, on after the card is
correctly inserted into the PC slot and the PC is started.
1.3 Lambda 3S/3L Series Controller
Independently developed by Weihong Electronic Technology Co., Ltd., Lambda 3S/3L series
controller, used together with PM85A/95A communication card, is mainly applied to controlling routers,
engraving and milling machines, drilling machines and cutting machines, available of comprehensive
functions and convenient to use. Generally, Lambda 3S/3L controller is used together with stepping
motor drivers.
The only difference between Lambda 3L and Lambda 3S is that Lambda 3S has a MPG interface.
That is to say, Lambda 3L does not have a MPG interface. Their other functions are the same.
Lambda 3S/3L series controller includes the following features:
Enclosed controller, oil-proof, dust-proof, and water-proof;
Serial communication, high speed 485 interface, baud rate 10Mbps;
Max. pulse output frequency: 1MHz;
Fewer cables and easier wiring;
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