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2013/3/13
Timer / Counter / Tachometer Instruction Sheet
Thank you very much for purchasing DELTA CTA series. Please read this instruction sheet before using your CTA series
to ensure proper 3operation and please keep this instruction sheet handy for quick reference.
DANGER! Caution! Electric Shock!
When the power is on, DO NOT touch the AC terminals in case an
electric shock may occur. Make sure the power is disconnected when you check the unit inside.
CTA series is an OPEN-TYPE device. They are intended for installation completely within an overall panel
and are for use in counting or timing application. If it will cause serious injury to workers or damage on other
equipments when used in a dangerous environment, please make sure it is installed in an automatic safety
protection device.
Precaution
1.
Always use recommended solder-less terminals: Fork terminal with isolation (M3 screw, width 7.0mm), hole (diameter
3.2mm). Screw size: M3x6.5 (with 6.8x6.8 square washer). Recommended tightening torque: 0.4 N.m (4kgf.cm).
Applicable wire: solid/twisted wire of 2mm
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, 12AWG to 24 AWG. Please be sure to tighten them properly.
2.
Prevent dust or metallic debris from falling into the device and cause malfunctions.
3.
DO NOT modify or uninstall the device.
4.
DO NOT use empty terminals.
5.
Make sure the wires are correctly connected to proper terminals.
6.
Keep away from high-voltage and high-frequency environment during installation in case of interference.
7.
Prevent using the device in premises which contain:
․
Dust or corrosive gas
․
High humidity
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High radiation
․
Vibration and shock
8.
CTA series is an open-type device. Make sure to install it in an enclosure to prevent dust, humidity in case of an
electric shock.
9.
Please make sure the power cables and signal device are installed correctly before switching on the power; otherwise
serious damage may occur.
10.
DO NOT touch the terminals or repair the device when the power is on; otherwise an electric shock may occur.
11.
Please wait for one minute after the power is switched off to allow the capacitor to discharge and DO NOT touch the
internal wiring within this period.
12.
Use dry cloth to clean the device. DO NOT use acid or alkaline liquid to clean the device.
Display, Indicators and Keys
LCD Display & Indicators
RST 1/2
Light on when reset signal is detected
BATCH
“Batch Counting Mode” in Counter and Tachometer
function
K/P 1/2
Light on when key-protected mode is
enabled
SET 1 2
SV1, SV2 display
OUT 1/2
Light on when output is executing
TAC
Light on when Tachometer function is executing
H M S
Hour, minute, second, unit of timer,
displayed in Timer function
CNT
Light on when Counter function is executing
VARITEL INGENIERIA ELECTRONICA S.A.
[email protected] - www.varitel.com - Tel. (54) 11-4243-1171 / Fax: (54) 11-4292-7545
Manuel Baliña 456, Lomas de Zamora (B1832CCJ) Buenos Aires, Argentina.
