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SC-101
User's Manual
RS232 to RS422/485 Converter
1. Introduction
The SC-101 allows RS232 line signal bi-directionally convert to RS422 or RS485 standard. Featuring
data format DIP switching and baud rate auto switching (from 110bps to 115.2Kbps) users just need to
plug the unit and go without software or hardware complicated setting. The RS485 control is completely
transparent to the user and software written for Half-Duplex RS232 works without any modification. The
internal surge-protection.
HIMAQ S.R.L - Tel.: (011) 4709-3505 - Mail: himaq@himaq.com.ar - WEB: http://www.himaq.com.ar
Page 1 of 6.
KSH International CO., LTD
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Summary of Contents for KSH International SC-101
- Page 1 RS232 to RS422/485 Converter 1. Introduction The SC-101 allows RS232 line signal bi-directionally convert to RS422 or RS485 standard. Featuring data format DIP switching and baud rate auto switching (from 110bps to 115.2Kbps) users just need to plug the unit and go without software or hardware complicated setting. The RS485 control is completely transparent to the user and software written for Half-Duplex RS232 works without any modification.
- Page 2 Operating environment: 0 to 60℃. Storage temperature: 0 to 70℃. Dimension: 55mm X 42mm X 25mm. Weight: 39g. Humidity: 5-95% non-condensing. HIMAQ S.R.L - Tel.: (011) 4709-3505 - Mail: himaq@himaq.com.ar - WEB: http://www.himaq.com.ar Page 2 of 6. KSH International CO., LTD...
- Page 3 2. SC-101 panel layout 3. SC-101 Hardware structure HIMAQ S.R.L - Tel.: (011) 4709-3505 - Mail: himaq@himaq.com.ar - WEB: http://www.himaq.com.ar Page 3 of 6. KSH International CO., LTD...
- Page 4 Warning: only power source Do not use external DC-Jack and screw terminal DC input simultaneously. 4-2. Connect SC-101 with Host PC. 4-3. Connect SC-485 with RS4222 or RS422/485 serial device. HIMAQ S.R.L - Tel.: (011) 4709-3505 - Mail: himaq@himaq.com.ar - WEB: http://www.himaq.com.ar Page 4 of 6.
- Page 5 5. Loop back test 6. Terminal Resistor connection. SC-101 does not has built-in terminal resistor, user may add external terminal resistor by following connection. 6-1. RS485 HIMAQ S.R.L - Tel.: (011) 4709-3505 - Mail: himaq@himaq.com.ar - WEB: http://www.himaq.com.ar Page 5 of 6.
- Page 6 220 ohm: If distance between both ends of RS422 devices in 600M. 330 ohm: If distance between both ends of RS422 devices in 300M HIMAQ S.R.L - Tel.: (011) 4709-3505 - Mail: himaq@himaq.com.ar - WEB: http://www.himaq.com.ar Page 6 of 6. KSH International CO., LTD...
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