Catalog 1308242
Issued 3-03
AGASTAT
2100 series
Miniature Electropneumatic
Timing Relay
Users should thoroughly review the technical data before selecting a product
part number. It is recommended that users also seek out the pertinent
approvals files of the agencies/laboratories and review them to ensure the
product meets the requirements for a given application.
Repeat Accuracy: NORMAL VERTICAL POSITION
Design Features
• High Repeat Accuracy over voltage and temperature extremes
• Hermetically sealed units are designed for high shock and vibration
applications
• Instant recycling – easy linear adjustment
• Exclusive Dial Head adjustment – no needle valves
• Delay ranges from milliseconds to 3 minutes
• DPDT contacts
+5% at 25°C; +7% at 85°C; +8% at -55°C.
The average time between -55°C and 85°C will be within +20% of the
average @ 25°C with a proportionally reduced effect at lesser extremes.
In extremely short delay settings an additional 8 msec. variation may result
on AC models due to "half cycle" alternating current effect.
Setting Tolerance: Factory time setting, when specified, subject to addition-
al +5% tolerance.
Position Sensitivity:
HORIZONTAL POSITION: Approximately 5% increase from the initial time in
the vertical position.
INVERTED POSITION: Approximately 10% increase from the initial time in
the vertical position.
Reset Time: 2112 Series: 25 msec.; 2122 Series: 75 msec.
Relay Release Time: 25 msec. (2112 Series)
Relay Operate Time: 75 msec. (2122 Series)
Design & Construction
Sealed patented timing head circulates air under controlled pressure
through a variable orifice to provide adjustable timing. Circular-path Dial
Head principle replaces traditional needle valve.
Snap-action switch assembly provides sustained contact pressure during
timing cycles. Specially designed over center mechanism assures flutter-
free load transfer after extended delay periods.
Precision-wound solenoid assembly supplies the basic motive force
when the control circuit is closed.
Operating Voltage: Coil Data
Nominal Resistance
Nominal
Operating
Voltage
Resistance
Ohms
Operating
Ohms
1ꢀ0
These assemblies are mounted in a rigid self-supporting framework within
a steel enclosure. This rugged construction assures permanent alignment
of all operating members, the key to this unit's long trouble-free operation.
Code Voltage
Code
1ꢀ0
M
N
P
R
Y
12VDC
28VDC
48VDC
110VDC
125VDC
30
S
S
T
120V 60 Hz 190 (2112 Series)
120V 60Hz 285 (2122 Series)
131
500
3200
3380
240V 60Hz
765
Operation
U
115V 400Hz
2600
Series 2112 (On-Delay) - Applying rated voltage to the
solenoid coil starts the preset time delay. At the end of the
delay period the NC contacts break and the NO contacts
make. Contacts remain in this position until the coil is de-
energized, when the switch instantaneously returns to its
original position. De-energizing the coil, either during or
after the delay period, will immediately (within 25 msec.) re-
cycle the unit. It will then provide another full delay period
on re-energization.
Series 2122 (Off-Delay) - Applying rated voltage to the
coil for at least 75 msec. (for accurate timing) will instanta-
neously transfer the switch, breaking the NC contacts and
making the NO contacts. Contacts remain in this position
as long as the coil is energized. The preset time delay
period begins as soon as the coil is de-energized, at the
end of which the switch returns to its original position.
No power is required during the timing period. Re-
energizing the coil, either during or after the delay period,
will immediately start a new cycle with full delay period.
Transients: Insensitive to transients of +1500 VAC for 10 milliseconds
Dielectric: 1000V RMS @ 60Hz between non-connected terminals.
Contact Rating (DPDT Contacts):
3ꢀV
DC
11ꢀV
DC
12ꢀV
12ꢀV
24ꢀV
6ꢀHz 4ꢀꢀHz 6ꢀHz
Inductive (Amps)
Resistive (Amps)
2
.75
1
3
2
1.5
5
10
10
10
Based on 100,000 operations electrical, 1,000,000 mechanical. Inductive and
capacitive load should not have inrush currents that exceed five times normal
operating load.
Ambient Temperature Range: -55°C to +85°C
Weight: Maximum, any unit - 17 ozs.
Mounting/Terminals: Chassis mounting tabs, octal plugs and external (-4)
or internal (-5) adjustment. Panel mounting back plate, internal adjustment,
and solder hook terminals (-9).
Operation (Listed values at nom. voltage, 25°C unless noted).
Operating Mode:
2112: On-delay (delay on pull-in); 2122: Off-delay (delay on drop-out)
Timing Adjustment: All standard models offer easy linear adjustment over
one of nine timing ranges listed below. For applications requiring frequent
readjustment, the external knob model with calibrated dial is recommended.
For tamper-proof installation or where readjustment is infrequent, the internal
key model may be preferred. This model requires removal of the cover plate
for timing adjustment. Hermetically sealed models provide a slotted
adjusting screw under the cap nut on the top cover.
Timing Ranges:
--4
--5
--9
Code
Range
Code
Range
These are minimum standards; where more severe environmental
conditions must be met, please consult the factory.
A
B
C
D
E
F
.03 to .1 sec.
.1 to .3 sec.
.15 to 1.0 sec.
.375 to 3.0 sec.
.75 to 10.0 sec.
1.0 to 30.0 sec.
G
H
J
K
L
2.0 to 60.0 sec.
5.0 to 120.0 sec.
5.0 to 180.0 sec.
1.5 to 30.0 cycles
3.0 to 120.0 cycles
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
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