TC-USB-485 USB轉485

TC-USB-485　USB to RS485 Convertercable

update：2009/05/25

特點：

The USB-Convertercable provides bi-directrional
connectivity between any standard USB compliant
host system and Siemens S7-200 PLC with built in
RS485 interface accessible via the D-SUB 9 female
communication port.

Specifications：

1. Operating temperature range: 5 to 40℃	6. Serial interface RS-485, D-SUB 9 male plug 　compatible with Siemens S7-200 PLC
2. Storage temperature: -20 to +70℃	7. Max current: 120mA at 5VDC
3. Total cable length: 2 meters	8. Max humidity: 85%
4. USB version: version 1.1
5. Optical isolation: no

Hardware design of the USB-Convertercable：

Connecting System：

Connection：

USB interface：

D-SUB 09M(RS485) interface

Pin	Name	Description
1	None
2	None
3	TX/RX+	Positive TX/RX (RS-485)
4	None
5	GND	Ground
6	None
7	None
8	TX/RX-	Negative TX/RX (RS-485)
9	None

General : Three Wires (Red/Black/White)

Color	Name	Description
Red	TX/RX+	Positive TX/RX (RS-485)
White	GND	Ground
Black	TX/RX-	Negative TX/RX (RS-485)

Pin	Name	Description
1	VCC	+5V
2	D-	Data-
3	D+	Data+
4	GND	Ground

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