Product Summary

The B7A-R3A39-M is a kind of Transistor I/O Link Module.

Parametrics

B7A-R3A39-M specifications: (1)Communication method: Unidirectional, time-division multiplex; (2)Operating voltage range: 12 to 24 VDC (10.8 to 26.4 VDC); (3)Insulation resistance: 100 MW min. at 500 V between each terminal and external parts; (4)Dielectric strength: 1,000 VAC, 50/60 Hz for 1 min between each terminal and external parts; (5)Noise immunity : Noise level: 1.5 kV; pulse width: 100 ns to 1 ms (on transmission line due to coupling); (6)Vibration resistance: 10 to 55 Hz, 1.5 mm double amplitude; (7)Shock resistance: 300 m/s2 (approx. 30G).

Features

B7A-R3A39-M features: (1)Transmit 16 input signals over just 2 wires (3 wires if only one terminal has a power supply); (2)Normal I/O delay (19.2 ms typical) or short I/O delay (3 ms typical) models; (3)Output models offer Hold or Load Off options for handling transmission errors; (4)Compact B7AS measures 30% shorter than conventional 16-point blocks; (5)Printed circuit board models available.

Diagrams

B7A-R3A39-M circuit diagram