AX34509a_e.doc / Aug-10
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8.4.
Overflow and Underflow Control
The unit continuously monitors both input channels for possible overflow or underflow
situations (input signal out of specified range)
Overflow:
the analogue input signal is greater than +10,2 V or +20,4 mA
Underflow: the analogue input signal is lower than -10,2 V or -0,4 mA
Any out-of-range situation will cause a message according the table below:
Display
Input A
Input B
Underflow o.k
Overflow o.k
o.k Underflow
o.k Overflow
Underflow Underflow
Overflow Underflow
Underflow Overflow
Overflow Overflow
