Model PD6262 Analog Dual-Input Rate/Totalizer Instruction Manual
11
SEQUENCE OF
OPERATIONS
FOR INPUT
PROGRAMMING
1.
Select Input for A and B
2.
Set up the rate, total, and grand total engineering units
for channels A & B, and units for math channel C
3.
Set up rate, total, and grand total decimal points for
channels A & B, and decimal point for math channel C
4.
Program channel A & B rate parameters
5.
Program channel A & B total and reset parameters
6.
Set up the big and little displays
7.
Select the transfer function for A & B (e.g. Linear)
8.
Select Math function for Channel C
9.
Program constants for Factor (F) and Adder (P).
10. 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, or programmable exponent
MULTI-POINT
LINEARIZATION
2 to 32 points for channel A and B
PROGRAMMA-
BLE EXPONENT
1.0001 to 2.9999
LOW-FLOW
CUTOFF
0-999999 (0 disables cutoff function)
DECIMAL POINT
Up to five decimal places or none:
d.ddddd
,
d.dddd
,
d.ddd
,
d.dd
,
d.d
,
or
dddddd
CALIBRATION
RANGE
Input
Range
Minimum Span
Input 1 & Input 2
4-20 mA 0.15 mA
10 V
0.10 V
An error message will appear if the input 1 and input 2
signals are too close together.
INPUT
IMPEDANCE
Voltage ranges: greater than 500 k
Current ranges: 50 - 100
(depending on resettable fuse impedance)
INPUT
OVERLOAD
Current input protected by resettable fuse, 30 VDC max.
Fuse resets automatically after fault is removed.
F4 DIGITAL INPUT
CONTACTS
3.3 VDC on contact. Connect normally open contacts
across F4 to COM.
F4 DIGITAL INPUT
LOGIC LEVELS
Logic High: 3 to 5 VDC
Logic Low: 0 to 1.25 VDC
