Absolute Process Instruments APD 4059 Series, Quick Manual

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Precautions, Range Setup APD 4059
Precautions
WARNING! All wiring must be performed by a qualified electrician
or instrumentation engineer. See diagram for terminal designa-
tions and wiring examples. Consult factory for assistance.
WARNING! Avoid shock hazards! Turn signal input, output, and
power off before connecting or disconnecting wiring, or remov-
ing or installing module.
Précautions
ATTENTION! Tout le câblage doit être effectué par un élec-
tricien ou ingénieur en instrumentation qualifié. Voir le dia-
gramme pour désignations des bornes et des exemples de
câblage. Consulter l'usine pour assistance.
ATTENTION! Éviter les risques de choc! Fermez le signal
d'entrée, le signal de sortie et l'alimentation électrique avant
de connecter ou de déconnecter le câblage, ou de retirer ou
d'installer le module.
Electrical Connections
See wiring diagrams. Observe polarity. If the output does not
function, check wiring and polarity.
*
Do not make any connections to unused terminals or use
them as wiring junctions for external devices. This may cause
permanent damage to the module!
Range Selection
It is generally easier to select ranges before installing the mod-
ule on the DIN rail. The tables list available settings for excita-
tion voltages, ranges and offsets. Any custom range settings
will be listed on the module's serial number label
Rotary switches and a slide switches on the side of the module
are used to select input and output ranges to match your
application.
Switch A:
Excitation voltage
Switch B: Input range
Switch C: Input offset
Switch D: Output range
Switch E : Set to "V" for voltage output or
Set to "I" for current output
Determine how much output in millivolts the load cell will pro-
duce at full load. Multiply the manufacturer's mV/V sensitivity
specification by the applied excitation voltage.
For example, a load cell rated for 3 mV/V sensitivity using 10
VDC excitation will produce an output of 0 to 30 mV for load
variations from 0 to 100%.
3 mV/V sensitivity X 10 VDC excitation = 30 mV range
Switch A Excitation Voltage
Refer to the sensor manufacturer's recommendations to deter-
mine what excitation voltage to use.
Set Excitation rotary switch A to desired excitation voltage.
After installation the Excitation fine adjust potentiometer may
be used to precisely trim this voltage, if desired.
I/O Range Selection Switches B, D, E
1. From the table below, find the rotary switch combination that
matches your I/O ranges and set rotary switches B and D.
2. For taring, deadweight, zero offset, or a bipolar sensor refer
to the "Offset Switch C" section at right. Otherwise set
switch C to zero.
3. Set switch E to "V" for voltage output or "I" for current
output.
4. For ranges that fall between the listed ranges use the next
highest setting and trim the output signal with the zero and
span potentiometers as described in the Calibration section.
Using Offset Switch C
Offset switch C allows canceling or taring of non-zero dead-
weights or other sensor offsets such as:
O
Compensate for tare weights or scale deadweight to get
zero output when a load is on the platform.
O
Compensate for low-output sensors (e.g., less than 1 mV/V)
that may have large zero offsets. Switch C can realign the
zero control so it has enough range to produce a zero output.
O
Raising the offset to allow calibration of bipolar sensors
such as ±10 mV.
O
Lowering the offset to compensate for elevated input
ranges such as 10-20 mV.
1. Switch C does not interact with any other switch and is the
only switch needed to correct zero offsets. Its only purpose
is to adjust or cancel effects of the low end of the input
range not corresponding nominally to 0 mV. Setting this
switch to “0” results in no offset.
2. To RAISE the output zero, rotate switch C from “1” thru “7”,
until the Zero control can be set for your application.
3. To LOWER the output zero, rotate switch C from “9” thru “F”,
until the Zero control can be set for your application.
4. If switch positions are changed, repeat the calibration pro-
cedure on the last page.
Settings for Push-Pull Load Cells
The input range can be thought of as a percentage scale.
Zero percent of the signal range will be a negative number for
push-pull load cells. The high end of the signal will be a posi-
tive number. Add these together to get the span (100% of the
total signal range).
For example, if a load cell has a 1.5 mV/V sensitivity with 10 V
excitation, the range for push-pull will be –15 mV to +15 mV.
This is a span of 30 mV and we would select 30 mV as our input
range. If the range does not match up to what is in the table,
select the next highest input range setting.
For push-pull applications it is common to use a ±5 V or ±10 V
output setting. Use the table below to find your switch settings.
We also need to use "Offset Switch C" to bring the negative
end of our input range up by 50% to 0 mV. The closest setting
is position "B" 45%. This can be adjusted to 50% with the zero
potentiometer when output calibration is done.
Output 0-1 V 0-2 V 0-4 V 1-5 V 0-5 V 0-8 V 2-10 V 0-10 V ±5 V ±10 V 0-2 mA 0-4 mA 0-8 mA 2-10 mA 0-10 mA 0-16 mA 4-20 mA 0-20 mA
Switches
BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE BCDE
Input
0-5 mV 200V 208V 201V 206V 209V 202V 207V 203V 204V 205V 200I 208I 201I 206I 209I 202I 207I 203I
0-10 mV A00V A08V A01V A06V A09V A02V A07V A03V A04V A05V A00I A08I A01I A06I A09I A02I A07I A03I
0-20 mV 300V 308V 301V 306V 309V 302V 307V 303V 304V 305V 300I 308I 301I 306I 309I 302I 307I 303I
0-25 mV 600V 608V 601V 606V 609V 602V 607V 603V 604V 605V 600I 608I 601I 606I 609I 602I 607I 603I
0-30 mV E00V E08V E01V E06V E09V E02V E07V E03V E04V E05V E00I E08I E01I E06I E09I E02I E07I E03I
0-40 mV B00V B08V B01V B06V B09V B02V B07V B03V B04V B05V B00I B08I B01I B06I B09I B02I B07I B03I
0-50 mV 000V 008V 001V 006V 009V 002V 007V 003V 004V 005V 000I 008I 001I 006I 009I 002I 007I 003I
0-100 mV 800V 808V 801V 806V 809V 802V 807V 803V 804V 805V 800I 808I 801I 806I 809I 802I 807I 803I
0-120 mV F00V F08V F01V F06V F09V F02V F07V F03V F04V F05V F00I F08I F01I F06I F09I F02I F07I F03I
0-200 mV 100V 108V 101V 106V 109V 102V 107V 103V 104V 105V 100I 108I 101I 106I 109I 102I 107I 103I
0-250 mV 400V 408V 401V 406V 409V 402V 407V 403V 404V 405V 400I 408I 401I 406I 409I 402I 407I 403I
0-300 mV C00V C08V C01V C06V C09V C02V C07V C03V C04V C05V C00I C08I C01I C06I C09I C02I C07I C03I
0-400 mV 900V 908V 901V 906V 909V 902V 907V 903V 904V 905V 900I 908I 901I 906I 909I 902I 907I 903I
Excitation Switch A
10 V A
9 V 9
8 V 8
7 V 7
6 V 6
5 V 5
4 V 4
3 V 3
2 V 2
1 V 1
0 V 0
Offset % of Span Switch C
105% 7
90% 6
75% 5
60% 4
45% 3
30% 2
15% 1
0% 0
–15% 9
–30% A
–45% B
–60% C
–75% D
–90% E
–105% F
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information go to www.P65Warnings.ca.gov