Operating Instructions
Multi-functional Digital Programmable Timer SDT-20-1C
• Up to 20 on-o or pulse programmes (including weekly cycle, daily cycle and manual on-o control)
• Countdown function - time range setting within 1 sec. to 99min. 59sec.
• Daylight saving manual adjustment
• Integral lithium battery backup in case of power failure
• Designed for use with TS35 DIN Rail
• Viewable accumulated operating time and action number
Ref: v.1/1019
Technical Data
Rated Operating Voltage: 85-265VAC
Frequency Range: 50-60Hz
Number of On-O Programmes: 20: minimum 1 min.
Number of Pulsation Programmes: 20: 1sec. - 59min. 59sec.
Contact Load
Capacity:
Countdown Time: 1 sec. to 99min. 59sec.
Contact resistance
between contacts:
Insulation resistance
between contacts:
Timing Error: ≤ ±2sec. / day (25°C)
Power failure memory: 3 years
Contact Form: 1 group conversion
Consumed Power: ≤3VA
Electrical Life: 105 times
Mechanical Life: 107 times
Operational Temperature: -10 to +50°C (non-icing)
Ambient Humidity: 35 to 85% RH
Storage Temperature: -10 to +60°C
Weight: Approx. 130g
Resistive Load 16A / 250V AC COS φ=1
Inductive Load 10A / 250V AC COS φ=0.6
≤100mΩ
≤100mΩ
Wiring Diagram & External Dimensions (mm)
1 2
ON
D+ H+ M+
Load
P
RESET
MANUAL
5
4 3
N
36 max.
L1
89 max.
66 Max.
Instructions for Use
In order to clear any existing settings, press “RESET”. By pressing “D+” and “H+” at the same time for 3 seconds, the product will switch o and all previous settings
will be lost, with the exception of day correction paramemters, accumulated operating times and action times, which are all retained by the unit.
45.5 max.
1. Setting the display time (current time)
Step Button Programming
1 Hold and then press H+ HOUR increases on the screen. To increase hours further, continue pressing H+
2 Hold and then press M+ MINUTE increases on the screen. To increase minutes further, continue pressing M+
3 Hold and then press D+ Indicator for DAY of week moves on the screen. To change the week selected, continue pressing D+
NOTE: The timer operates on a 24 hour system when initially turned on. Hold “ “ for 5 seconds to convert to 12 hour system with “AM” displayed on the upper left
corner. Hold “ “ for 5 seconds again to revert back to 24 hour system. “AM” does not display in 24 hour system.
2. Timing Settings
2.1 20 Group Settings of ON/OFF Function
Step Button Programming
1 Press w To enter programming ON mode (displays 1 ON)
P
2 Press H+ & M+ To set the ON time, press H+ to set the hour, and press M+ to set the minute
3 Press D+
4 Press w To enter programming OFF mode (displays 1 OFF)
P
To select the day settings: MO-FR; MO-SA; SA-SU; MO-WE; TH-SA; MO WE FR; TU TH SA
If the same time is required on every day, do not press D+, and skip this step instead
5 Press H+ & M+ To set the OFF time, press H+ to set the hour, and press M+ to set the minute
6 Press D+
To select the day settings: MO-FR; MO-SA; SA-SU; MO-WE; TH-SA; MO WE FR; TU TH SA
If the same time is required on every day, do not press D+, and skip this step instead
7 Repeat steps 1-6 Set the ON/OFF time for 2nd to 20th groups, or press to exit programming mode
a: The ON/OFF program group can not overlap another time setting.
b: When the programming is complete, press to view the set number of ON/OFF groups and the On and O timings. To modify, follow the steps mentioned above.
c: Press to enter the ON/OFF programming mode. Press MANUAL to clear the ON or OFF time of the current group, which will then display “--:--”
P
P
For more information, email sales@stag-electrical.com
www.stag-electrical.com
2.2 20 Pulsation Function Settings
Step Button Programming
1 Press & hold H+ & M+ for 3 secs. To enter pulse width programming mode (displays 0:00 and “P”)
2 Press H+, M+ & at same time To set the pulse width: min / sec (max. 59 mins. 59 secs)
3 Press and MANUAL To complete the pulse width setting. “P” ashes on the screen
4 Press w To enter pulsation timing programming ON mode (displays 1 ON). Press again for second pulse time
5 Press H+ & M+ To set the ON time, press H+ to set the hour, and press M+ to set the minute
6 Press D+
7 Repeat steps 4-6 Set the pulsation time of the 2nd to 20th groups, or press to exit programming mode
Press both H+ & M+ To exit the pulsation programming mode. The “P” will not display on the screen.
P
To select the day settings: MO-FR; MO-SA; SA-SU; MO-WE; TH-SA; MO WE FR; TU TH SA
If the same time is required on every day, do not press D+, and skip this step instead
a: When the programming is complete, press to view the set number of pulsation groups and the On and O timings. To modify, follow the steps mentioned
above.
b: Press to enter the pulsation programming mode. Press MANUAL to clear the pulsation time of the current group, which will then display “--:--”
P
P
2.3 Countdown Function Settings
Step Button Programming
1 Press & hold & for 3 secs. To enter countdown programming mode (displays 0:00 and “d” in bottom left corner)
2 Press H+, M+ & at same time To set the minutes & seconds of countdown respectively (duration range: 1sec. to 99mins. 59secs.)
3 Press MANUAL Start the countdown function
4 Press w Halfway reset and wait to restart the countdown again
5 Press & hold & for 3 secs. To exit the countdown programming mode. The “d” will not display on the screen.
P
P
P
3. Manual Daylight Saving Time (DST) Time Settings
Step Button Programming
Setting Hold D+ and M+ for 3 secs. The current displayed time will increase by 1 hour (“1h” will display at bottom left corner of screen)
Cancel Hold D+ and M+ for 3 secs. again DST will be cancelled and time will revert back one hour
NOTE: This setting will only aect the current displayed time. The ON/OFF timing program or pulsation remains unchanged. If the ON/OFF program needs to run
according to DST, set it in the initial programming mode.
Troubleshooting
1. Automatic Correction of Daily Time Error
Step Button Programming
1 Press both MANUAL & To enter Time Correction screen, and will display: 1d-00 (range setting: -3 to +3 secs)
2 Press D+ Set the number of seconds required for daily compensation. Increases or decreases in 1 second intervals
3 Press w To save setting and exit Time Correction screen
P
2. Control ON or OFF Manually - PRESS “MANUAL”
Screen Display Work State
ON AUTO Automatic control in the ON state
AUTO OFF Automatic control in the OFF state
ON Permanent ON and not controlled by timer
OFF Permanent OFF and not controlled by timer
3. Check Accumulated Operating Times & Action Number
a: Hold M+ and MANUAL to display the operating time (h) and the action number (p) circularly.
To calculate the actual operating time and action number, multiply the displayed values by 10 (max. 99990h & 99990t).
For example: “h0013” and “p0021” refer to accumulated operating time of 130 hours and an action number of 210 times.
b: Release M+ and MANUAL to return to the clock interface.
PLEASE NOTE:
• Please do not use in environment where the product will come into direct contact with dust, corrosive gas, direct sunlight or rain.
• Please store product and use within the conditions of rated voltage, within the specied temperature and humidity ranges.
For more information, email sales@stag-electrical.com
www.stag-electrical.com
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