CIRCUIT DESIGN MU-4 RS232C Operation Manual Download Page 1

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OG_MU2-RIK_v10e Circuit Design, Inc.

OPERATION GUIDE

Embedded low power radio modem

MU-4

MU-4 RS232C Interface Board

MU4-RS2IF

Operation Guide

Version 1.0 (Sep. 2020)

CIRCUIT DESIGN, INC.,

7557-1 Hotaka, Azumino-city

Nagano 399-8303 JAPAN

Tel: +81+(0263)-82-1024

Fax: +81+(0263)-82-1016

E-mail:

[email protected]

Web site:

https://www.cdt21.com/

Summary of Contents for MU-4 RS232C

Page 1: ...power radio modem MU 4 MU 4 RS232C Interface Board MU4 RS2IF Operation Guide Version 1 0 Sep 2020 CIRCUIT DESIGN INC 7557 1 Hotaka Azumino city Nagano 399 8303 JAPAN Tel 81 0263 82 1024 Fax 81 0263 82...

Page 2: ...unctions 5 2 2 Block Diagram 6 2 3 Main Specifications 7 2 4 Channel Table 7 2 5 External dimensions 8 2 6 Circuit Diagram 9 Chapter 3 How to Use the MU4 RS2 10 3 1 System Configuration Example 10 3 2...

Page 3: ...venience the MU 4 RS232C interface board MU4 RS2IF with the embedded low power radio modem MU 4 mounted on it is referred to as the MU4 RS2 Before using the board mount the MU 4 on the MU4 RS2IF When...

Page 4: ...user systems are publicly available Compact size 47 71 18 mm fits in a small housing Features of the MU2 ESP evaluation program 1 You can issue all commands for controlling the interface board with m...

Page 5: ...ents are as follows First please check that you have all the items 1 4 1 Accessories 1 MU 4 RS232C interface board MU4 RS2IF 1 2 Battery holder 1 3 Spacers used as legs 10 mm 4 4 Screws for spacers M...

Page 6: ...n off the power and on once again after a while approx 5 seconds 07 Power LED The LED comes on when the power switch is turned on 08 Power switch A power switch Check that the power terminal is connec...

Page 7: ...2 4 5 6 7 1 8 9 12 11 10 13 14 INI RXD TXD RTS CTS MOD RST RXM RF GND VCC DI DO RXL CN1 DC 3 2v 12v LED1 LED3 LED2 Power terminal SW1 Power switch 1 RXD 2 TXD 3 DTR 4 GND 5 DSR 6 RTS 7 CTS 8 9 CN2 D...

Page 8: ...nnector D Sub 9 pin male Refer to the operation guide of the MU 4 mounted on the MU4 RS2IF for the channel table The frequency band is shown on the label of the MU 4 Parameter Specification Unit Remar...

Page 9: ...cuit Design Inc 8 OPERATION GUIDE MU4 RS2 MU 4 MU4 RS2IF 2 5 External Dimensions 30 8 25 7 9 14 2 6 6 5 17 4 47 40 64 57 51 1 6 7 1 4 lead antenna 180 4 3 RF GND VCC RXD CTS INI RXM DO RXL TXD RTS MOD...

Page 10: ...OG_MU4 RS2IF_v10e Circuit Design Inc 9 OPERATION GUIDE 2 6 Circuit Diagram MU 4...

Page 11: ...55 GI 02 EI 03 UI 0055 GI 02 EI 04 MU2 RS2 MU4 RS2 Group2 1 N system Group3 1 N system Note UI User ID GI Group ID EI Equipment ID DI Destination ID Since it is treated in the same way as the MU 4 ref...

Page 12: ...UI 0000 Group ID GI 00 Equipment ID EI 01 Destination ID DI 01 Channel 0 channel 2 UART related parameters Baud rate 19 200 bps parity none stop bit 1 3 Parameters related to internal operation Mode...

Page 13: ...l LED terminals have been newly added to this product In addition if you attach LEDs to the case connect them with inch pitch through holes with reference to the diagram below MU 4 RS232C cable User P...

Page 14: ...tion of a ground in order to exploit its performance fully connect it to the largest possible ground pattern when mounting the MU 4 on your circuit board In addition in the case of two way communicati...

Page 15: ...e MU4 RS2 MU 4 MU4 RS2IF is a program that accesses the COM port The method of developing a program is basically the same as for the MU 4 except for accessing a virtual COM port Refer to Chapter 6 How...

Page 16: ...cuits and reverse connections may result in overheating and damage and must be avoided at all costs Ensure that the power supply has been switched off before attempting any wiring work The case is con...

Page 17: ...OG_MU4 RS2IF_v10e Circuit Design Inc 16 OPERATION GUIDE REVISION HISTORY Version Date Description Remark 1 0 Sep 2020 MU4 RS2IF The first issue...

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