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PULL HIGH/LOW RESISTOR MODULE,USE WITH RS-485,15 STEP SWITCH
| Jameco Part no. 2143751 | |
|---|---|
| Manufacturer | ICP DAS USA, INC. |
| Manufacturer no. | SG-785 |
| RoHS compliant | |
| NCNR (Non-Cancelable, Non Returnable) | |
| web exclusive | |
- Data Sheet (current) [123 KB ]
RS-485 pull-high/pull-low and Termination Resistors Module
The SG-785 is an optional module that is used to improve the communication of RS-485 network. It provides switch selectable pull-high and pull-low resistors on RS-485 network. It also has 15-step switch selectable termination resistor such that the user can select a proper termination resistor to be connected to the RS-485 network easily.Features:
- Switch selectable pull-high/pull-low resistors
- 15-step switch selectable termination resistor
- LED Indicator for Power/ Termination
- DIN-Rail mountable
Applications:
RS-485 signal pull-high/pull-low and long distance communication termination resistor setting.Specifications:
- Interface: RS-485
- Pull-high/pull-low Resistance 1k ohm
- Termination Resistance 15 steps, 65 ~ 560 ohm
- LED Display 1 red LED as power indicator, 1 green LED as termination indicator
Power
- Input Range 10 ~ 30 VDC
- Power Consumption 0.5 W
Environment
- Operating Temperature -25 °C ~ +75 °C
- Storage Temperature -40 °C ~ +80 °C
- Humidity 5 ~ 95% RH, Non-condensing
Switch Setting
|
SW5 | SW6 | Termination Resistance (ohm) |
ON | OFF | Add a pull high resistor to D+ line |
OFF | ON | Add a pull low resistor to D- line |
ON | ON | Add a pull high resistor to D+ line and add a pull low resistor to D- line |
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