ProtEX-MAX PD8-6060 Explosion-Proof Dual-Input Meter Instruction Manual
6
Enclosure
Explosion-proof die cast aluminum with
glass window, corrosion resistant epoxy
coating, color: blue.
NEMA 4X, 7, & 9, IP68.
Default conduit connections: Four ¾" NPT
threaded conduit openings and two ¾"
NPT metal conduit plugs with 12 mm hex
key fitting installed. Additional conduit
opening configurations may be available;
verify quantity and sizes on specific device
labeling during installation.
Mounting
Four slotted flanges for wall mounting or
NPS 1½" to 2½" or DN 40 to 65 mm pipe
mounting. See Mounting Dimensions on
page
63
.
Tightening
Torque
Screw terminal connectors: 5 lb-in (0.56
Nm)
Overall
Dimensions
6.42" x 7.97" x 8.47" (W x H x D)
(163 mm x 202 mm x 215 mm)
Approximate
Shipping
Weight
16.0 lbs (7.26 kg)
Warranty
3 years parts & labor
Dual Process Input
Two Inputs
Two
non-isolated
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)
Programmable
Constants
Constant P (Adder): -99.999 to 999.999,
default: 0.000
Constant F (Factor): 0.001 to 999.999,
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
Division
((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
Ratio 2
((B-A)/A)+P)*F
ratio2
Concentration
(A/(A+B))*F
Concen
Note: The F constant can be any value from 0.001 to 999.999.
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. Program 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
Multi-Point
Linearization
2 to 32 points for channel A and B
Programmable
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
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