Specifications

1-2 Introduction

² Interface

• Interface : RS-485, 2 wires

• Speed (bps) : 1200, 2400, 4800, 9600, 19.2K, 38.4K, 115.2K

(115.2K only for firmware reversion above A4.00)

² Digital Input

• Channel numbers : 7

• Logical level 0 : +1V maximum

• Logical level 1: +3.5V~30V

• Pull up resister : 10KΩ

• Maximum current : 0.5mA

² Digital Output

• Channel numbers : 8

• Output characteristic : open collector transistor

• Maximum current sink : 50mA

• Max. power dissipation : 300mW

² Watchdog Function

• Module internal watchdog timer: 150 ms

• Power failure threshold : 4.65 V

• Safety value : 8 output channels

• Host programmable watchdog :

100 ms ~ 25.500 sec

² Power

• Power supply : +10V to +30V

• Current consumption : 0.5 W