SA2 - RS422/485 SA-Adapter™

Up to 6 handshake signals

2 power supply lines

Interface Type

RS422/RS485, half/full duplex, optically isolated

Interface Compliance

RS422A

CCITT V.11

RS485

Peripheral Connections

Via front panel on a shielded 9-pin D-Sub receptacle connector

Installation

As a piggy-back board directly on a CPU board

Via ribbon cable

Electrical Specifications

Isolation voltage:
• 500V DC
• Voltage between the connector shield and isolated ground is limited to 180V using a varistor; AC coupling between connector shield and isolated ground through 47nF capacitor

Supply voltage/power consumption: +5V (4.85V..5.25V), 220mA typ.

MTBF: 1,300,000h @ 50°C (derived from MIL-HDBK-217F)

Mechanical Specifications

Dimensions: 32mm x 42mm

Weight: 18g

Environmental Specifications

Temperature range (operation):
• 0..+60°C or -40..+85°C (screened)
• Airflow: min. 10m³/h

Temperature range (storage): -40..+85°C

Relative humidity (operation): max. 95% non-condensing

Relative humidity (storage): max. 95% non-condensing

Altitude: -300m to + 3,000m

Shock: 15g/11ms

Bump: 10g/16ms

Vibration (sinusoidal): 2g/10..150Hz

Conformal coating on request

Safety

PCB manufactured with a flammability rating of 94V-0 by UL recognized manufacturers

EMC

Tested according to EN 55022 (radio disturbance), IEC1000-4-2 (ESD) and IEC1000-4-4 (burst)