Isolated RS485 To RS485

– Features and Specification

• Isolated RS485 Signals up to 2.5KVrms

• Isolated RS485 Power up to 1KVrms.

• Supports Auto-Direction Control. No flow control

signal required.

• Supports all Baud Rates from 300 to 250 kBaud.

• actual baud rate varies on the cable length

• Supports up-to 256 receivers on the bus

– also depends on the other devices connected in

the RS485 network

• Works with all type of industrial equipment

– PC, PLC, SCADA, HMI, AC/DC Drives, Genset,

UPS, Development Kits, etc.

• RS485 Rx and Tx light indications for easy visibility

and troubleshooting

• ESD protection for both RS485 pins

– ±15-kV Human-Body Model (HBM)

– ±8-kV IEC1000-4-2, Contact Discharge

– ±15-kV IEC1000-4-2, Air-Gap Discharge

• Compact design suitable for both DIN Rail and Wall

mount

• Dimension in mm – 110 x 74 x 35

• 1 Year Warranty against any manufacturing defects

Electrical Characterstic

Power Input 9V~24V DC

Operating Temperature 0 ~ 85 °C

Working Current 200mA Max

RS485 in Receive input ± 12V between A and B max

RS485 in Transmit output A weak pulled up to +5V, B weak pulled

down to 0V

RS485 Termination No internal Termination resistor between A

and B built-in

RS485-Out in Receive

input ± 12V between A and B max

RS485-Out in Transmit

output A pulled up to +5V, B pulled down to 0V

RS485-Out Termination 120 Ω between A and B built-in