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Pull High-Low Resistor Module Use with RS-485 15 Step Switch

View SG-785: RS-485 Pull-High/Pull-Low and Termination Resistors Module

SG-785: RS-485 Pull-High/Pull-Low and Termination Resistors Module

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ICP DAS USA, Inc.
Jameco Part no. 2143751
Manufacturer ICP DAS USA, INC.
Manufacturer no. SG-785
  RoHS compliant
   NCNR (Non-Cancelable, Non Returnable)
web exclusive
Pricing & Availability

$59.95

# of Unit Price
1+ $59.95
5+ $55.95
  • Availability:Ship  1 Wks ARO 

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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

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



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