aci AAR Installation instructions

Automation Components, Inc.
2305 Pleasant View Road | Middleton, WI 53562
Phone: [phone] | Website: workaci.com
Page 1
Version: 1.0
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FIGURE 1: DIMENSIONS
ANALOG TO RELAY
INTERFACE SERIES
Installation & Operation Instructions
AAR
Phone: [phone]
Website: workaci.com
GENERAL INFORMATION
The AAR is controlled by a single analog input signal
with two potentiometers controlling each output
relay. The two 10 amp output relays can be
independently set to xed or adjustable deadband.
“Fixed”, the relay will turn “ON” at the level set by the
Low pot and will turn“OFF”at a xed 3% of the input
signal below the turn-on level. “Adjustable” allows a
exible range of deadband adjustment using both
the High and Low potentiometer. The
edge-connector feature allows signal and power
connections to be extended to the next board. This
allows the installer to wire the rst unit, then slide
additional units together by plugging into a power,
and signal bus without the need to strip and
terminate additional wires. The AAR is eld
calibratable, however, factory calibration is available
upon request for an additional charge. Relay trip
points can be factory calibrated, saving installation
time and expense.
MOUNTING INSTRUCTIONS
The interface device can be mounted in any position. If circuit board slides out of snap track, a
non-conductive “stop” may be required. Use only ngers to remove board from snap track. Slide out of
snap track or push up against side of snap track and lift that side of the circuit board to remove. Do not
ex board or use tools.
WIRING INSTRUCTIONS
PRECAUTIONS
• Remove power before wiring. Never connect or disconnect wiring with power applied.
• When using a shielded cable, ground the shield only at the controller end. Grounding both
ends can cause a ground loop.
• It is recommended you use an isolated UL-listed class 2 transformer when powering the unit
with 24 VAC. Failure to wire the devices with the correct polarity when sharing transformers may
result in damage to any device powered by the shared transformer.
• If the 24 VDC or 24VAC power is shared with devices that have coils such as relays, solenoids, or
other inductors, each coil must have an MOV, DC/AC Transorb, Transient Voltage Suppressor (ACI
Part: 142583), or diode placed across the coil or inductor. The cathode, or banded side of the DC
Transorb or diode, connects to the positive side of the power supply. Without these snubbers,
coils produce very large voltage spikes when de-energizing that can cause malfunction or
destruction of electronic circuits.
• All wiring must comply with all local and National Electric Codes.
3.25” (82.55mm)
2.42”
(61.46mm)
0.70” (17.78mm)
3.25” (82.55mm)
2.70”
(68.58mm)
BOARD
SNAP TRACK

Automation Components, Inc.
2305 Pleasant View Road | Middleton, WI 53562
Phone: [phone] | Website: workaci.com
Page 2
Version: 1.0
I0000467
NC
C1
NO
NC
C1
NO
A
1F
A
J2
F
24
12
0-20mA
J1
IN
-
+H1
L1
H2
L2
2
NC
C1
NO
NC
C1
NO
A
1F
A
J2
F
24
12
0-20mA
J1
IN
-
+H1
L1
H2
L2
2
Snap together to extend signal and power
Analog
Input
Signal
(+)
(-)
24 VAC/DC
Power Supply
(+)
(-)
24
12
0-20mA
J1
24
12
0-20mA
J1
0-20mA
0-12V
24
12
0-20mA
J1
0-24V
Signal Input Ranges
Set Jumper Switch for
A 1F
A
J2
F
2
Relay 1
Relay 2
FIGURE 2: WIRING
Calibration
1. Each relay can be individually set for a Fixed or Adjustable deadband. Place jumper shunts for relay 1
or 2 on A for adjustable or F for xed (or a combination of each).
Example: Relay 1 is set for an adjustable deadband. The turn on level is set with the High (H1)
potentiometer. The turn o level is set set wit the Low (L1) potentiometer (see Figure 2 for locaion of H1
and L1).
Relay 2 is set for a xed deadband, which allows a deadband of 3% of the input signal between the turn
on and turn o signal levels. Use the Low (L1) potentiometer to set the turn o level of the xed
deadband (the High potentiometer is out of the circuit).
2. Three input signal ranges can be selected. Set J1 to the desired type.
Note: If the rst board is to receive a 0-20 mA signal, then any attached boards must be set at the 0-12
VDC signal mode to operate correctly.
If the input signal is voltage, then set attached boards to same voltage as the rst board. Up to 6 boards
may be cascaded from same power supply. More can be connected if external power connection is
jumpered to every sixth board.
3. After jumpers are placed in the desired setting, turn on 24 volt power supply.
4. Turn all four potentiometers counterclockwise (these are approx. 20 turn pots).
5. Provide an input signal level equal to the desired turno point.
6. Adjust the L (low) potentiometer clockwise until the LED for the relay just turns OFF.
7. Turn the H (high) potentiometer for the relay clockwise (these are approx. 20 turn pots).
8. Provide an input signal level equal to the desired turn-on point.
9. Adjust the H potentiometer counterclockwise until the LED for that relay just turns ON.
10. Repeat steps 5 through 9 for each relay.

Automation Components, Inc.
2305 Pleasant View Road | Middleton, WI 53562
Phone: [phone] | Website: workaci.com
Page 3
Version: 1.0
I0000467
APPLICATION NOTES
Two unique uses for the AAR that may solve a problem for you.
Problem: From one analog signal I want to turn ON a load when the analog signal increases to a certain
value, and if it continues to increase, OFF again.
Solution: Set R1 to turn ON at 6 mA.
Set R2 to turn OFF at 10 mA.
As the signal input to the AAR increases to 6
mA the load will turn ON. As the signal input to
the AAR continues to increase to 10 mA, the
load will turn OFF.
Problem: From one analog signal I want to turn a motor ON at low speed when the signal increases to a
certain value, and to high speed if the signal continues to increase above the certain value.
Solution: Set R1 to turn ON at 6 mA.
Set R2 to turn ON at 10 mA.
When relays R1 and R2 are o, High and Low
speed are OFF.
When relay R1 is energized, Low speed is ON.
When R1 and R2 are ON, High speed is ON, Low
speed is OFF.

Automation Components, Inc.
2305 Pleasant View Road | Middleton, WI 53562
Phone: [phone] | Website: workaci.com
Page 3
Version: 1.0
I0000467
PRODUCT SPECIFICATIONS
24 VAC or 24VDC, (+/- 10%), 50/60 Hz
45 mA maximum
0 to 12 VDC @ 1M, 0 to 24 VDC @ 20,000
0-20 mA @ 499
Fixed or Adjustable – Jumper Selectable
Two SPDT Form “C” Relays
10A @ 120 VAC / 24VAC, 5A @ 240VAC
100,000 operations minimum
10,000,000 operations
90° Pluggable Screw Terminal Blocks
16 (1.31 mm) to 26 AWG (0.129 mm)
0.5 Nm (Minimum); 0.6 Nm (Maximum)
Connect six AARs together using one connection, more if power is jumpered to
every sixth AAR
35 to 120°F (1.7 to 48.9°C)
10 to 95% non-condensing
-20 to 150°F (-28.9 to 65.5°C)
Polyvinyl Chloride (PVC)
UL94 V-0
NON-SPECIFIC INFORMATION
Supply Voltage:
Supply Current:
Input Voltage Signal Range (@
Impedance):
Input Current Signal Range (@
Impedance):
Deadband:
Digital Output Type:
Relay Contact Rating:
Relay Electrical Life:
Relay Mechanical Life:
Connections:
Wire Size:
Terminal Block Torque Rating:
Edge Connector:
Operating Temperature Range:
Operating Humidity Range:
Storage Temperature:
Snaptrack Material:
Snaptrack Flammability Rating:
WARRANTY
The ACI AAR Series is covered by ACI’s Two (2) Year Limited Warranty, which is located in the front of ACI’S SENSORS
& TRANSMITTERS CATALOG or can be found on ACI’s website: www.workaci.com.
W.E.E.E. DIRECTIVE
At the end of their useful life the packaging and product should be disposed of via a suitable recycling
centre. Do not dispose of with household waste. Do not burn.