Shared Memory Specifications - Panasonic FP3 Technical Manual

6-1. Shared Memory Specifications

6-1. Shared Memory Specifications
The shared memory of the thermocouple input unit is configured as follows:
Shared memory
address (word units)
K0 Normalized data
(D (Data range: K0
K1
to K4000) to K4000)
K2
K3
K4 to K7 Areas not used.
K8 Self-diagnostic
error flag area
K9
K10
K11
K12 to K15 Areas not used.
Unit's dip switch
settings
K16
K17 to K23 Areas not used.
K24 Celsius data
(Expressed in (
K25
0.1 °C units by 0 1 °C units by
K26
10 times the 10 times the
temperature)
K27
Averaged value
K28
of Celsius data
K29
(Averaged over (Averaged over
K30
5 times) 5 times)
K31
K32 to K39 Areas not used.
K40 Averaged value
of normalized
K41
data (Averaged data (Averaged
K42
over 5 times) over 5 times)
K43
K44 to K59 Areas not used.
Celsius data offset
K60
enable flag
K61 Offset value for
Celsius data C l i
K62
K63
K64
54
CH0 Temperature measured using the thermocouple and zero
K point correction sensors are converted to K0 to K4000
CH1
digital data and stored here When a sensor connection digital data and stored here. When a sensor connection
CH2
error occurs, K8000 is set here. error occurs, K8000 is set here.
CH3
g CH0 If a sensor connection error occurs or the temperature
f becomes outside the preset temperature range, K1 is set
CH1
here here.
CH2
CH3
The dip switch settings of the unit can be monitored with
the lower 6 bits of this word as follows:
Example: K type 0 °C to 200 °C (CH0 through CH3
enabled)
Bit position
Dip switch numbers
Data
CH0 Temperature measured using the thermocouple and zero
point correction sensors are stored in units of 0.1 °C as a
CH1
number ten times the Celsius value. (e.g.: If the measured number ten times the Celsius value (e g : If the measured
CH2
temperature is 543.2 °C, K5432 will be stored.)
temperature is 543.2 C, K5432 will be stored.)
CH3
g CH0 Celsius data is averaged over five times and stored.
f C
CH1
CH2
CH3
g CH0 Normalized data is averaged over five times and stored.
f li d
CH1
CH2
CH3
Setting 1 here will enable the unit to adjust Celsius data
according to the offset value set to addresses K61 to K64.
CH0 The values in the Celsius data and its averaged value
d areas of the shared memory will be shifted according to
CH1
offset value set here if 1 is set to address K60 (e g : To offset value set here if 1 is set to address K60. (e.g.: To
CH2
adjust the Celsius data by 1 °C, set K10 and by - 1 °C, set
adjust the Celsius data by 1 C, set K10 and by 1 C, set
K-10.)
CH3
Descriptions
p g
i i
·
6 5 4 3 2 1
0 0 0 0 0 1
p g
g
g
f h h d
p
d K K
p
· ·
4 3 0
p
C
g
ill b hif d di