ADLINK ND-6067 - Manual (Page 90)

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5.4 Overview of ND-6054
ND-6054 provides 15 isolated digital input channels. All of the input
channels are common power type and one of them is using the same pin
with default (use jumper to choose). The isolation voltage is up to 5000
Vrms. It is suitable to use ND-6054 in industrial environment with high
voltage electric shock.
5.4.1 Features of ND-6054
z 15 channels digital inputs with isolation protection and common power
z 5000 Vrms isolation voltage
z Programmable host watchdog timer for host failure protection
z Internal watchdog timer for device failure protection
z Easy programming by software
z Easy installation and wiring
5.4.2 Specifications of ND-6054
‹ Interface
♦
Interface : RS-485, 2 wires
♦
Speed (bps) : 1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K,
115.2K
‹ Input
♦
Channel numbers : 15 isolation common power input channels
(the fifteenth channel is the same with default pin,
but can use jumper to choose)
♦
Logical level 0 : +1V Max.
♦
Logical level 1: +3.5V ~ +24V
♦
Effective distance: 500 meter
♦
Common external voltage: 24V
‹ Watchdog Function