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APMAN
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OPERATING INSTRUCTIONS
TX2
PROGRAMMABLE TIMER
Specifications subject to change as development is a continuous process. TX2_Manual Ver: 1.0
www.microsmartindia.com
Specifications
Display:
0.56” height 3 digit Red.
Time ranges: 9.99 / 99.9 / 999 sec,
9:59 min:sec, 99.9 / 999 min, 9.99 /
99.9 / 999 Hrs.
Counting
Direction:
Up / Down.
Modes:
a) ON delay b) Interval c) Cyclic On
first d) Cyclic OFF first.
Time setting: By front keypad.
Outputs:
2 C/O.
Relay rating: 7A @ 240VAC.
Inputs:
a)
START
b)
RESET
Reset:
a) Front panel. b) Rear terminal. c) On
power interruption.
Reset Time: Less than 100ms.
Accuracy:
±0.05% or 50msec which ever is
greater.
Supply:
220VAC ±10% @ 50 / 60 Hz.
Mounting:
Panel mounting.
Housing:
ABS.
Operating
Temperature: 0˚C to 50˚C.
Humidity:
95% R.H. Non condensing.
OPERATING MODES
Precautions during use
High voltage spikes (noise) present in the industrial
environment can cause malfunctioning of the
instrument like erratic display, latch up, data loss or
permanent damage to the instrument.
To reduce the chances of malfunction
a) Use of MOV across supply of timers and snubber
circuits across loads are recommended.
b) Use separate shielded wires for inputs.
SET VALUE PROGRAMMING
1. On-delay / Interval mode
a. Keep the
button pressed for 3 seconds.
b. The display shows the Set value and starts to
flash (on and off).
c. Using
and
buttons change to desired
value.
d. While the display is still flashing press
button.
2. Cyclic On-first/ Cyclic Off first mode.
a. Keep the
button pressed for 3 seconds.
b. The display shows
and starts flashing.
c. Keeping the
button pressed use
and
buttons to select
(On time) or
(Off time).
d. Leave the
button.
e. Now the display shows the corresponding set
value.
f. Using
and
buttons change to desired
value.
g. While the display is still flashing press
button.
RESETTING THE TIMER
1. By front panel:
Press the
and
buttons together for 3
seconds.
2. Remote reset:
TX2 can be reset from a remote push button by
shorting the RST and COM terminals.
