Delta AH500 Manual page 258

AH5 00 Mod ule Manua l
(2) Circular accumulation:
If an accumulation register counts up, it counts from 0 to 999999999. If an accumulation
register counts down, it counts from 0 to -999999999.
If the circular accumulation is larger than the maximum value 999999999 or less than the
minimum value -999999999, bit 2 in CR19/CR47/CR75/CR103 will be turned ON, and the
value in the accumulation register will become 0. If bit 2 in CR19/CR47/CR75/CR103 is not
reset to OFF, it will still be turned ON. If bit 2 in CR19/CR47/CR75/CR103 is reset to OFF, it
will be turned ON next time the circular accumulation is larger than 999999999 or less than
-999999999.
b it0 ( p ar a me te r s fo r o pe r a tio n )
The circular a ccumulation is equal t o
t he maximu m value or the minimum v alue.
b i t2 ( pa r a me te rs fo r op e ra ti o n sta te )
Th e rese tting value of the circula r acc umulation
is eq ual to the maximu m value or the minimum v alue.
b it2 ( p a ra me te r s fo r o pe r a tio n )
The related parameters are described below.
Item
Number of
accumulated pulses
(Low word)
Number of
accumulated pulses
(High word)
Operating state of a
counter
Operation of a counter
6. Bit 5 in CR4/CR32/CR60/CR88: If bit 5 in CR4/CR32/CR60/CR88 is turned ON, the function of
comparing the number of accumulated pulses with the comparison value set is enabled. If bit 5
in CR4/CR32/CR60/CR88 is turned OFF, the function of comparing the number of accumulated
pulses with the comparison value set is disabled.
The number of accumulated pulses is compared with the comparison value set. If the number
of accumulated pulses meets the comparison condition set, bit 3 in CR19/CR47/CR75/CR103
will be turned ON. If bit 3 in CR0/CR28/CR56/CR84 is turned ON, bit 3 in
CR19/CR47/CR75/CR103 will be turned OFF. There are two types of comparison conditions.
One is ≧, and the other is ≦. If an accumulation register counts up, ≧ can be used. If an
accumulation register counts down, ≦ can be used. Users can select a comparison condition
according to their needs.
7 - 2 6
Nu mb e r o f a ccu m ul a te d p u ls es *
99 999 9999
o r
-99 9999 999
O p er a ti on o f a co u n te r
O FF
O FF
OFF
*: T h e cycl e o f upd a ti ng t he n u mb e r of sa mp le d p u lse s is the c ycl e se t.
Value/Setting value
-999999999~999999999
Bit 2: The circular accumulation
is equal to the maximum value
or the minimum value.
Bit 2: Resetting bit 2 in
CR19/CR47/CR75/CR103
ON
ON
ON
Parameter
CH0 CH1
#22 #50
#23 #51
#19 #47
#0 #28
Tim e
O N
CH2 CH3
#78 #106
#79 #107
#75 #103
#56 #84