Block Status Types
8/99 RS232 Communications Reference Manual 135
Block Status Types,
continued
Floating Point
Value
Status Type Definition
1200.0 BAD BLKNUM Illegal control block number.
1300.0 NEG SQRT Attempted square root of a negative number.
1400.0 BAD TUNVAL Bad tuning constant value.
1500.0 COMM FAIL cannot communicate with device
1600.0 DEV FAIL Device reports self test failure
1700.0 BAD DEVID Invalid device ID
1800.0 BAD BPADDR Illegal backpan address. This could indicate that the
backpan board is either not installed or the wrong
board is installed at the address.
1900.0 BAD RECIPE Illegal recipe number.
2000.0 BAD CHANID Illegal channel number or module number
2100.0 BAD RANGE PV HI <= PV LO in PID blocks.
2200.0 TOO MANY Too many blocks of a restricted type
2300.0 BAD LOOPID Illegal Loop number
2400.0 UNDERFLOW STACK During the equation evaluation, an attempt was
made to pop an item off the evaluation stack when
the stack was empty.
2500.0 OVERFLOW STACK During equation evaluation, an attempt was made to
push an item on the stack when the stack was full.
2600.0 NOT EMPTY STACK At the conclusion of the equation evaluation, the
evaluation stack was not empty.
2700.0 LOG OF NEG NUM Attempted log of a negative number.
2800.0 UNKNOWN TOKEN An unknown token was encountered during the
evaluation of the equation.
2900.0 POWER ERR For the power operator (x
y
), either x is zero and y is
less than or equal to zero, or x is less than zero and
y is not an integer.
3000.0 EXP ERR x is large enough to make e
x
overflow.
3100.0 LOG ERR Attempted log of 0.
3200.0 LOG10 ERR Attempted log10 of 0.
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