Stock #69778-1
Out of StockUsed and in Excellent Condition
4WSD9R B&B Electronics Universal Converter
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Item details
| Part Number | 4WSD9R |
|---|---|
| In Stock | 1 |
| Available | Today |
| Location | Champaign, IL USAships worldwide |
| Stock # | 95260-1 |
| Condition | Used and in Excellent Condition |
| Inspection | Before every shipment |
| Warranty | 1-Year Warranty with 30-Day Return Guarantee |
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Advantech / B&B Electronics 4WSD9R Universal Converter Overview
Features:
- (2) DB-9 Female Connectors
- Two-Channel RS-232 to RS-422/RS-485 Conversion
- Port or Externally Powered
The Advantech / B&B Electronics 4WSD9R Universal Converter is a port-powered or externally powered two-channel RS-232 to RS-422/RS-485
converter. It converts TD and RD RS-232 lines to balanced RS-422 or RS-485 signals. RS-485 is an enhanced version
of the RS-422 standard, allowing multiple drivers and receivers on a two-wire system. The unit is powered from the RS232 data and handshake lines whether the lines are high or low. Or, if there is not enough power on the port, it can be
powered by an external +12VDC 100mA supply. The 4WSD9R has DB-9 female connectors on both the RS-232 side
and the RS-485 side. The RS-232 connector is configured as DCE (like a modem).
No external power is required if two RS-232 output handshake lines have been manufactured and the cable run is short. If the handshake lines are raised and no termination is used, the power efficiency is greatly increased. Less than 3mA is required to operate the 4WSD9R plus the load current. For applications that do not have handshake lines or require a large load current, power may be externally supplied with a +12VDC power supply with a 2.5mm plug (tip positive).
The RS-232 port has a female DB9 connector with pins 2 (RD), 3 (TD), and 5 (Signal Ground) supported. Pins 7 (RTS) and 8 (CTS) are tied together, and pins 6 (DSR), 1 (DCD), and 4 (DTR) are also tied together. Any incoming data lines in either the high or low state are used to port power the 4WSD9R. The more handshake lines manufactured, the more likely the unit can be port powered.
Although the 4WSD9R can use handshake lines to power the converter, no handshaking is required to control the RS-422/RS-485 driver. With switch 1 set to RS-422, the driver is always enabled. When switch 1 is in the RS-485 position, the RS-485 driver is automatically enabled during each spacing state on the RS-232 side. During the marking or idle state, the RS-485 driver is disabled and the data lines are held in the marking state by the 4.7K Ohm pullup and pull-down resistors. The value of these resistors may need to be changed to a different value when termination is used in order to maintain the proper DC bias during the idle state.
No external power is required if two RS-232 output handshake lines have been manufactured and the cable run is short. If the handshake lines are raised and no termination is used, the power efficiency is greatly increased. Less than 3mA is required to operate the 4WSD9R plus the load current. For applications that do not have handshake lines or require a large load current, power may be externally supplied with a +12VDC power supply with a 2.5mm plug (tip positive).
The RS-232 port has a female DB9 connector with pins 2 (RD), 3 (TD), and 5 (Signal Ground) supported. Pins 7 (RTS) and 8 (CTS) are tied together, and pins 6 (DSR), 1 (DCD), and 4 (DTR) are also tied together. Any incoming data lines in either the high or low state are used to port power the 4WSD9R. The more handshake lines manufactured, the more likely the unit can be port powered.
Although the 4WSD9R can use handshake lines to power the converter, no handshaking is required to control the RS-422/RS-485 driver. With switch 1 set to RS-422, the driver is always enabled. When switch 1 is in the RS-485 position, the RS-485 driver is automatically enabled during each spacing state on the RS-232 side. During the marking or idle state, the RS-485 driver is disabled and the data lines are held in the marking state by the 4.7K Ohm pullup and pull-down resistors. The value of these resistors may need to be changed to a different value when termination is used in order to maintain the proper DC bias during the idle state.
The B&B Electronics 4WSD9R Universal Converter may still be available for purchase and support from Artisan Technology Group beyond End-Of-Life (EOL) by the manufacturer (OEM).
Universal Converter Price & Specs
Advantech / B&B Electronics 4WSD9R Universal Converter Manuals, Datasheets, Drivers, Links
Advantech / B&B Electronics 4WSD9R Universal Converter Specs
| General | |
|---|---|
| Manufacturer | B&B Electronics |
| Model | 4WSD9R |
| Condition | Used and in Excellent Condition |
| Product Family | 4WSD9R |
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Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Artisan Scientific Corporation dba Artisan Technology Group is not affiliated with or a distributor for B&B Electronics. The depiction, description, or sale of products featuring names, trademarks, brands, and logos is for identification and/or reference purposes only and does not indicate any affiliation with or authorization by any rights holder.
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