TMC-05 Passive RS-232 to RS-485, Port-Powered
Introduction:
TMC-05 can be applied to the master machine between the host computer and the microcontroller or peripherals constitute between point to point, multipoint remote multi-machine communication network to achieve multi-machine communication is widely used in answering industrial automation and control systems, card , access control systems, parking systems , self-service banking system , bus charging system , canteen canteen systems, Inc. employee attendance management system, highway toll station system and so on.
The performance parameters
- The interface features: interface is compatible with EIA / TIA of RS-232C, RS-485 standard
- The electrical interfaces : RS-232 DB9 female connector end , RS-485/422 side DB9 male connector with terminal
- Working mode: asynchronous half-duplex differential transmission automatic selection, no jumper settings
- The transmission media: twisted pair or shielded cable
- The transmission rate : 300BPS-115.2KBPS
- Dimensions : 63mm * 33mm * 17mm
- The use of the environment : -25 ℃ to 70 ℃, relative humidity 5 % to 95%
- The transmission distance : 1,200 meters (RS-485 end)
- Power supply: use Port-powered or extenal +5V Standby Power input
Connection signal:
RS232 line distribution
DB-9 Female
PIN
|
RS-232C
Interface Signal |
1 |
Protective |
2 |
RX Data Sinal Input |
3 |
TX Data Signal Output |
4 |
DTR |
5 |
GND |
6 |
DSR |
7 |
RST |
8 |
CTS |
9 |
RI |
|
RS-485 line distribution
DB-9 Male
PIN
|
Data Output |
RS-485
Half-Duplex |
1 |
T/R+ |
RS-485 (A+) |
2 |
T/R- |
RS-485 (B-) |
3 |
RXD+ |
NC |
4 |
RXD- |
NC |
5 |
GND |
Ground Wire |
6 |
VCC |
+5V Standby Power input |
|
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