Precision Digital PD6060 - Manual (Page 10)

Model PD6060 Dual-Input Process Meter Instruction Manual
10
Dual Process Input
TWO INPUTS
Two inputs, each separately field selectable:
0-20, 4-20 mA,
±10 V (0-5, 1-5, 0-10 V), Modbus PV (Slave)
CHANNELS
Channel A, Channel B, Channel C (Math channel)
PROGRAMMA-
BLE CONSTANTS
Constant P (Adder): -99999 to 999999, default: 0.000
Constant F (Factor): 0.00001 to 999999, default: 1.000
MATH
FUNCTIONS Name Function Setting
Addition
(A+B+P)*F Sunm
Difference (A-B+P)*F diF
Absolute diff. ((Abs(A-B))+P)*F
diFAbS
Average (((A+B)/2)+P)*F
AvG
Multiplication ((A*B)+P)*F
nmulti
Divide ((A/B)+P)*F divide
Max of A or B ((AB-Hi)+P)*F Hi-Ab
Min of A or B ((AB-Lo)+P)*F Lo-Ab
Draw ((A/B)-1)*F drAuw
Weighted avg. ((B-A)*F)+A uw avg
Ratio (A/B)*F ratio
Concentration (A/(A+B))*F Concen
Note: The F constant can be any value from 0.00001 to
999999. If the value is less than 1, it will have the same effect
as a divider. For example, the average could also be derived
by using (A+B)*F, where F = 0.500.
SEQUENCE OF
OPERATIONS
FOR INPUT
PROGRAMMING
1. Select Input for A and B
2. Set up the engineering units for A, B, and C
3. Set up decimal point for A, B, and C
4. Scale A & B
5. Set up the displays for A, B, or C
6. Select the transfer function for A & B (e.g. Linear)
7. Select Math function for Channel C
8. Program constants for Factor (F) and Adder (P).
9. Program cutoff values for A and B
ACCURACY
±0.03% of calibrated span ±1 count,
square root & programmable exponent accuracy
range: 10-100% of calibrated span
TEMPERATURE
DRIFT 0.005% of calibrated span/ °C max from 0 to 65°C ambient,
0.01% of calibrated span/ °C max from -40 to 0°C ambient
SIGNAL INPUT
CONDITIONING
Linear, square root, programmable exponent, or
round horizontal tank volume calculation