SG-785
RS-485 pull-high / pull-low and termination resistor signal conditioner module. Improves RS-485 signal by reducing noise in RS-485 signal, supports operating temperatures from -25 °C ~ +75 °C (-13F ~ 167F).
Features
The SG-785 is an optional module that is used to improve the communication of the RS-485 network. It provides switch selectable pull-high and pull-low resistors on the 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.
- 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
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Switch Setting
| SW1 | SW2 | SW3 | SW4 | Termination Resistance (ohm) |
| ON | ON | ON | ON | 65 |
| ON | ON | ON | OFF | 74 |
| ON | ON | OFF | ON | 76 |
| ON | OFF | ON | ON | 81 |
| ON | OFF | OFF | ON | 99 |
| ON | OFF | ON | OFF | 96 |
| ON | ON | OFF | OFF | 88 |
| ON | OFF | OFF | OFF | 120 |
| OFF | ON | ON | ON | 144 |
| OFF | ON | ON | OFF | 193 |
| OFF | ON | OFF | ON | 207 |
| OFF | ON | OFF | OFF | 330 |
| OFF | OFF | ON | ON | 256 |
| OFF | OFF | ON | OFF | 470 |
| OFF | OFF | OFF | ON | 560 |
| 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 |
References and Support
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$69.00 Each
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