Section 4 I/O Module
Introduction
34
iDCS-8000 Hardware User Manual (2013/8/14, Rev: 1.43)
4.1.3
Timing Characteristics
Parameter
Value
Description
T
1
800 ms
Hardware watchdog activated
T
2
50 ms
I/O modules lose connection to the termination board
T
3
<1 ms
Response time for analog output high/low alarm
T
4
<16 ms (8 channels)
Response time for analog input high/low alarm
<32 ms (16 channels)
T
5
<1.2 s
Response time for TC/RTD high/low alarm
T
6
<100 ms
Time when detect CJC broken
T
7
<1.2 s
Time when detect TC/RTD channel broken
