Absolute Process Instruments IsoSplitter APD 1393 Hızlı Başlangıç Kılavuzu - Sayfa 2
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Instructions
Precautions
WARNING! All wiring must be performed by a qualified
electrician or instrumentation engineer. See diagram for
terminal designations and wiring examples. Consult factory
for assistance.
WARNING! Avoid shock hazards! Turn signal input, output,
and power off before connecting or disconnecting wiring, or
removing or installing module.
Précautions
ATTENTION! Tout le câblage doit être effectué par un électricien
ou ingénieur en instrumentation qualifié. Voir le diagramme
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.
API maintains a constant effort to upgrade and improve its products.
Specifications are subject to change without notice. See api-usa.com for
latest product information. Consult factory for your specific requirements.
WARNING: This product can expose you to chemicals includ-
ing nickel, which are known to the State of California to cause
cancer or birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov
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!
Each product is factory configured to your exact input and out-
put ranges as indicated on the serial number label. The input
range is factory pre-configured (at 24°C ±1°C).
Check label for module operating voltage to make sure it
matches available power.
The power supplies are fuse protected and the unit may be
returned to API for fuse replacement.
Outputs
For milliamp output ranges, determine if your devices provide
power to the current loop or if the loop must be powered by
the APD module. Typical voltage may be 9-24 VDC at your
device's terminals if it provides power to the loop. See note
about terminating an unused mA output channel.
Output Device for Channel 1
– Terminal + Terminal
Measuring or recording device
accepts a voltage input.
Measuring/recording device accepts
a mA (current) input and the input is
unpowered or passive. APD module
provides the loop power.
Measuring or recording device
accepts a mA (current) input and
provides power to the current loop.
Output Device for Channel 2
– Terminal + Terminal
Measuring or recording device
accepts a voltage input.
Measuring/recording device accepts
a mA (current) input and the input is
unpowered or passive. APD module
provides the loop power.
Measuring or recording device
accepts a mA (current) input and
provides power to the current loop.
RTD Input
The sensor type and temperature range are factory configured.
See the model/serial number label for sensor type and range.
The temperature sensor input is connected as shown in the
wiring diagrams.
Temperature Input
Term.
17
Two wire RTD
Signal –
17
Three wire RTD
Signal –
Module Power Terminals
Check model/serial number label for module operating voltage
to make sure it matches available power.
When using DC power, either polarity is acceptable, but for
consistency, wire positive (+) to terminal 25 and negative (–)
to terminal 28.
A
A
P
P
BSOLUTE
BSOLUTE
ROCESS
ROCESS
Mounting to a DIN Rail
Install module vertically on a 35 mm DIN rail in a protective
enclosure away from heat sources. Do not block air flow. Allow
1" (25 mm) above and below housing vents for air circulation.
1. Tilt front of module downward and position the lower spring
clips against the bottom edge of
DIN rail.
2. Push front of module upward until
upper mount snaps into place.
Removal
Avoid shock hazards! Turn signal
input, output, and power off.
1. Push up on bottom back of
module.
2. Tilt front of module downward
to release upper mount from top
edge of DIN rail.
3. The module can now be
removed from the DIN rail.
Calibration
Front-mounted Zero and Span potentiometers for each channel
can be used to compensate for load and lead variations.
1. Apply power to the module and allow a minimum 20 minute
warm up time.
2. Using an accurate calibration source, provide an input to
the module equal to the minimum input required for the
application.
3. Using an accurate measurement device for the output,
adjust the Zero potentiometer for the exact minimum output
desired. The Zero control should only be adjusted when the
input signal is at its minimum. This will produce the cor-
responding minimum output signal. For example: 4 mA for
a 4-20 mA output or –10 V for a ±10V output.
4. Set the input at maximum, and then adjust the Span pot for
the exact maximum output desired. The Span control should
only be adjusted when the input signal is at its maximum.
This will produce the corresponding maximum output
signal. Example: for 4-20 mA output, the Span control will
provide adjustment for the 20 mA or high end of the signal.
5. Repeat adjustments for both output channels for maximum
accuracy.
3 (–)
4
(+)
Output Test Function
When the Test button is depressed it will drive the output with a
known good signal that can be used as a diagnostic aid during
3 (–)
4
(+20 V)
initial start-up or troubleshooting. When released, the output
will return to normal.
Each Test Cal. potentiometer is factory set to approximately
2 (–)
3
(+)
50% output. It can be adjusted to set the test output from 0 to
100% of the output span. Press and hold the Test button and
adjust the Test Cal. potentiometer for the desired output level.
They may optionally be externally wired for remote test opera-
7 (–)
8
(+)
tion or a manual override. See wiring diagrams.
Operation
The APD 1393 IsoSplitter
7 (–)
8
(+20 V)
two linearized and optically isolated DC voltage or current
outputs.
The green LoopTracker
6 (–)
7
(+)
that a signal is being sensed by the input circuitry of the mod-
ule. It also indicates the input signal strength by changing in
intensity as the process changes from minimum to maximum.
If the LED fails to illuminate, or fails to change in intensity as the
process changes, check the module power or signal input wiring.
The two red LoopTracker output LEDs provide a visual indica-
tion that the output signals are functioning. They become
Term.
Term.
brighter as the input and each corresponding output change
Jumper
19
from minimum to maximum.
18 & 19
Signal
+
For a current output the red LED will only light if the output loop
18
19
current path is complete. For either current or voltage outputs,
Exc.
Signal
+
failure to illuminate or a failure to change in intensity as the
process changes may indicate a problem with the module
power or signal output wiring. Note that it may be difficult to
see the LEDs under bright lighting conditions.
I
I
NSTRUMENTS
NSTRUMENTS
Upper Mount
Spring Clips
accepts an RTD input and provides
®
®
input LED provides a visual indication
1220 American Way Libertyville, IL 60048
Phone:
800-942-0315
Fax: 800-949-7502
APD 1393
Output 1
Output 2
1
2 3 4
2 3 4
5
6 7 8
6 7 8
Output Test 1 Output Test 2
Output Test 1 Output Test 2
9 10 11 12
11 12
13 14
15 16
Input
17 18 19
20
no t us ed
Power
Voltage
Device 1
–
+
Voltage
Output
1
2
3
4
Ch. 1
mA output: determine if receiving device has a passive or powered
input. The module can be wired for a sinking or sourcing mA output.
* To avoid damage to the module, do not leave any unused
mA outputs disconnected. Use a 1000 Ohm 1/2 Watt resis-
tor across unused mA terminals.
mA
Device 1
R
i
*C
urrent
+
–
Loop
Loop
Sinking
Power
Power
Output
Source 1
Source 2
–
+
Module mA
output is
1
2
3
4
unpowered
Ch. 1
mA
*
Current
Device 1
Sourcing
R
i
Output
–
+ 20V
Module
powers mA
1
2
3
4
output loop
Ch. 1
External
Contacts
for Test
Function
9
10
11 12
Channel 1
Output
Loop
Test Cal.
Tracker
Test
IsoSplitter
Span
Input
Loop
Zero
Tracker
APD 1393
RTD to DC Isolated Signal Splitter
Transmitter
17
18
19
20
3-Wire Input
2-Wire Input
17
18
19
20
Jumper
18 and 19
25
26
27
28
Cu 60/75°C
conductors
28 Power AC or DC –
14 AWG
26 Earth Ground
max.
25 Power AC or DC +
api-usa.com
Wire terminal
torque
0.5Nm to 0.6Nm
(4.4 to 5.3
in-lbs)
* Do
not make
connections
to unused
terminals!
Voltage
Device 2
–
+
5
6
7
8
Ch. 2
mA
Device 2
R
i
+
–
–
+
5
6
7
8
Ch. 2
mA
Device 2
R
i
–
+ 20V
5
6
7
8
Ch. 2
13
14
15 16
Channel 2
Output
Loop
Test Cal.
Tracker
Test
®
Span
Zero
* Do not make
connections to
unused terminals!
To maintain full
isolation avoid
combining power
supplies in com-
mon with outputs
or unit power.