ICP DAS USA 8430 Manual De Usuario

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Built-in Watchdog   
The built-in watchdog circuit will reset the CPU module if a failure occurs in either the 
hardware or software. If the application program does not refresh the watchdog timer 
within 0.8 sec, the watchdog circuit will initiate a reset of the CPU.   
 
Input Protection circuitry 
The protection circuitry on both the network and power supply protects the system from 
external signals such as main spikes and ambient electrical noise. In addition, the 
central processing module is isolated from external signals in three ways. This is 
achieved through I/O isolation of 3KV, power isolation to 3KV and network isolation to 
2KV 
High performance integrated power supply 
The built-in isolated 20W power supply is rated to perform linearly up to full loading.   
Ventilated housing design to work between -25 ~+75 
The 8430/8830/8KE4/8KE8 is housed in a plastic base box with a column-like ventilator, 
that can help to cool the work environment inside the box and allow the 
8430/8830/8KE4/8KE8 to operator between -25
 and +75
.
℃  
 
 
 
 
 
 
 
 
 
 
 
 
 
8430/8830/8KE4/8KE8 User’s manual, Jan 2005, Version 1.0, 8MS-002-10        ----- 9