t APMAN ® OPERATING INSTRUCTIONS TX2 PROGRAMMABLE TIMER 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. 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 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). and buttons change to desired c. Using value. button. d. While the display is still flashing press 2. Cyclic On-first/ Cyclic Off first mode. a. Keep the button pressed for 3 seconds. and starts flashing. b. The display shows button pressed use and c. Keeping the (On time) or (Off time). buttons to select button. d. Leave the e. Now the display shows the corresponding set value. f. Using and buttons change to desired value. button. g. While the display is still flashing press RESETTING THE TIMER 1. By front panel: and buttons together for 3 Press the seconds. 2. Remote reset: TX2 can be reset from a remote push button by shorting the RST and COM terminals. Specifications subject to change as development is a continuous process. TX2_Manual Ver: 1.0 www.microsmartindia.com SETVALUE RECALL While TX2 is running/ waiting for inputs, set value/ values can be recalled (viewed) without disturbing the timing process. Briefly press the button on the TX2 timer. or the display 1. If the configured mode is 2. will show the set value for one second. If the configured mode is or the display will show and its set value followed by and Configuration Parameters # Name. 1 Time Units 2 its set value. Range 3 Directio n CONFIGURATION TX2 is a multifunctional timer. To make it function in the desired way it has to be configured. Configuration can be done through the front panel buttons. 4 Hours 9.99 When Time units is set to seconds 9.59 When Time units is set to Minutes or Hours. 99.9 UP: Once the timer starts the display increases from 0 to Set value. DOWN: Once the timer starts the display decreases from Set value to 0. On delay Interval Mode Cyclic with ON time first. Cyclic with OFF time first. Reset by front panel Enable. 5 To enter into the configuration mode. 1. Remove power to the instrument. button pressed 2. Keep the 3. Apply power. 4. Leave the button when the display shows . 5. Navigate the configuration parameters using and buttons. To change parameter value button to enter that parameter. 6. Press the 7. The display shows the value of that parameter. 8. Using and buttons change to the desired value. button exit that parameter. 9. Using 10. Similarly other parameters can be changed. To save the changes and exit the configuration mode and buttons (to the 11. Navigate using . parameter) when the display shows 12. Press the button. 13. The TIMER is now updated with the new configuration and is ready to be used. Minutes 999 CONFIGURATION RECALL While TX2 is running/ waiting for inputs pressing the button for 3 seconds causes to display to show the configuration setting of parameters 1 to 6 one after the other. Setting range for parameter Seconds 6 7 8 Front Reset Output 2 Reset Start type Exit Config Reset by front panel Disable. Output 2 follows Output 1. Output 2 pulses on for 750ms when START input is given. Output 2 is opposite off Output 1. Normal: To start a new cycle a RESET input has to be given. Auto: A new cycle can be started without first giving a RESET signal. Level: The START input can be closed permanently and the timer will always read it as start input present. Gate: When START is open the relay state does not change but the time counting stops. On make of START contact time counting starts from the last time count. Edge: Timing starts on application of START input (Open to Close). button at this On pressing parameter configuration is saved and timer goes into normal operation.
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