HXJZ-877 Low Power Wireless Module User’s Manual
HXJZ-877 Mini Power Wireless Module User’s Manual About HXJZ-877 HXJZ-877, the Low power wireless module, is used as the wireless data transmission in short distance. With the small size, weight and power consumption and good stability and reliability, it has the function of bi-directional data sign transmission, test and control.
HXJZ-877 Mini Power Wireless Module User’s Manual receiving/transmitting the data from the interface. HXJZ-877 will automatically complete the other operations, such as transmission/receiving conversion in the air, control, etc. 11. High reliability, small and light Single chip radio- frequency integrated circuit and single chip MCU are use d for lessened peripheral circuits, high reliability, and low failure rate. 12.
HXJZ-877 Mini Power Wireless Module User’s Manual 1）User’s interface HXJZ-877 have one interface of TTL/RS232/RS485, user can choose one . HXJZ-877 standard interface: when the antenna upward, th e plastic socket gap upward, from left to right,1-9 pin in turn, as follows: (Remarks: Jack space between is 2.0 mm.
HXJZ-877 Mini Power Wireless Module User’s Manual User’s equipment +5v regulator n. power supply transmitter-receiver Remarks: To avoid to connect the interface reversely and can not communicate, please check and assure the voltage of 2 and 3 pin is existing by using multimeter. If there is one pin that has the voltage, another has not voltage, which means the interface is connected reversely, pls.
HXJZ-877 Mini Power Wireless Module User’s Manual Awaken from Air, you can transmit some useless data firstly. HXJZ-877 parameters setting HXJZ-877 have one interface of TTL、RS232、RS485, You should say clearly which interface you need when place an order. HXJZ-877 main parameters: COM baud rate and verify ，RF baud rate, Channel and frequency. You can change these parameters by our RF Module soft. Wh en RF baud rate is faster than COM baud rate，One frame Can transmit limitless data.
HXJZ-877 Mini Power Wireless Module User’s Manual Technical specification of HXJZ-877 Modulation mode: GFSK Working frequency: 433MHZ Transmission power: 500mW Receiving sensitivity: -123dBm Transmitting current: <360mA Receiving current: <45mA Sleeping current: < 1mA Channel speed rate: 1200/2400/4800/9600/19200/38400Bit/s, user can Choose one Interface speed rate: 1200/2400/4800/9600/19200/38400Bit/s, use r can Choose one Change time for receiving and sending: <10ms Interface data format: 8E1/8N1/8O1 Pow
HXJZ-877 Mini Power Wireless Module User’s Manual Optional Antenna: Trouble and solve ways: Item 1 2 Trouble No Trouble causes and solve ways shine of Indicator light a、Power Line badness touch . b、Power is bad. c、Power line meet in reverse, or diode of polarity protect is bad. No transmitting or receiving a、Radio is badness touch with PC/terminal. b、Radio with TTL/RS232/RS485 not match terminal. c、RX frequency and TX frequency is not same.
