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Module for 10 Ports, RS-485-2-wire, 5V Output

  • Order number
    M83570
  • Availability

    Usually on stock
Biasing module for RS485 (half-duplex, to set biasing voltage on data lines according to RS485 specification)

Description

M83570 provides:

  • Biasing resistor circuit to set voltage for RS485 (configurable with jumpers)
  • RS485 bus termination (120 Ω / configurable with jumpers)
  • 10 individually configurable ports with various configuration possibilities
  • Stabilized 5 V/110 mA output

Specifications

Module for 10 Ports, RS-485-2-wire, 5V Output
General Information
Order Number M83570
Electrical Characteristics (Default Settings)
Supply voltage (DC), Quiescent current
Pin: 14		 Min: 9 V, 6 mA
Max: 32 V
Output (5 V DC) at 25°C
Pin: 15		 Min: 5 V, 110 mA
Max: 5.3 V, 130 mA
Low current limit to ground
Pin: 8, 12, 16		 Min: 0.97 mA
Typical: 1 mA
Max: 1.05 mA
Pull-up resistor Typical: 5.1 kΩ
High current limit to ground
Pin: 9, 10, 11		 Min: 10.5 mA
Typical: 10 mA
Max: 11.4 mA
Pull-down resistor
Pin: 1, 5		 Min: 9900 Ω
Typical: 10 kΩ
Max: 10100 Ω
Configurable ports (open) Pin: 5, 6
RS485: TxD+/RxD+, B+
RS485: TxD-/RxD-, A-		 Pin: 3 / 4
RS485 Bus termination Pin: 3, 4 (Jumper 120 Ω)
Value: 120 Ω
RS485 Biasing Jumper V+, Jumper V-
Value: 680 Ω
Ground Pin: 2, 13
Environmental
Operating temperature -40°C to +75°C
Fuse T0.8A (time lag, slow-blow): 5 x 20 mm
Mechanical
Housing dimensions (W x H x D) 22.5 x 110 x 115 mm
Mounting DIN-rail (35 x 7.5 mm)
Terminal Wire cross section from 0.25 to 1.5 mm²