EM31AX User`s Manual
Contents
1. relay will be forced off upon exit The PGM light will also be turned off to indicate that the unit is no longer in the programming mode The unit will exit the programming mode automatically if the maximum cycle time is exceeded 7 The programming is now complete and stored in the unit s inter nal nonvolatile memory not the flash card If necessary the unit can be reprogrammed for thousands of times 8 To verify the programming either press the AUDIO button or activate the trigger input The PGM light will be flashing during the animation replay cycle and the ACTION light will be turned on when ever the relay is activated Sound File Considerations The system can play MP3 and WAV files in their native formats No conversion or transcoding is necessary therefore the sound qual ity is just as good as the original Sound files should be copied to the root folder root directory on the flash card A unique file number must be added to the begin ning of each filename for identification purpose For example 001 oldname mp3 The file number must be three digits and within the following ranges 001 099 for group 0 101 199 for group 1 901 999 for group 9 Maximum number of files is 512 but that number will be reduced if long filenames are used filenames longer than 8 letters or con taining lower cases special characters When the animation cycle starts for the first time after power up or programming i2. EM31AX User s Manual Firmware 1 0 Specifications File Formats MP3 ISO 11172 3 WAV uncompressed PCM Audio Output stereo line level no built in power amplifier Memory Card CompactFlash CF type I 2 GB max Max Animation Cycle Time 8 5 minutes Min Animation Resolution 1 8 seconds Max Relay Load 12A 120VAC 10A 240VAC 28VDC Operating Voltage 12V DC Typical Current Consumption 60 mA standby 100 mA operating Physical Dimensions 6 6 x 3 1 x 1 5 without mounting brackets Inputs amp Outputs Power Input VDC amp GND Use a 12VDC 200mA power supply Connect the positive to VDC and the negative to GND ground Trigger Input TRG The animation is started by shorting the trigger input to GND mo mentarily This can be achieved through various devices such as push buttons pressure mats and motion sensors with normally open contacts The animation will automatically repeat if the trig ger input is still tied to GND at the end of the cycle Reset Input RST The system can be reset by shorting the reset input to GND The animation cycle if activated at the moment will be stopped right away Relay Output N C N O COM Both normally closed N C and normally open N O contacts are available for external device control Maximum load is 12A 120VAC or 10A 240VAC 28VDC Audio Out The stereo line level output is available from the 1 8 stereo head phone jack located on the left s
3. ide of the unit CF Card Slot The system utilizes CompactFlash card for sound files storage Maximum capacity supported is 2 GB The card must be formatted with the FAT file system Be sure to turn the power off before insert ing the card otherwise the unit will not work until the power is re cycled Programming Instructions The animation cycle up to 8 5 minutes long can be programmed into the unit through the following procedures 1 Either disconnect the trigger input or make sure that the trigger input will not be activated accidentally during the programming 2 Press the PGM button for more than one second to enter the pro gramming mode When the PGM button is released the PGM light will be turned on and the programming cycle starts 3 During the programming cycle press release the AUDIO button at any time to activate the sound If the previous sound is still playing pressing the AUDIO button will have no effect 4 During the programming cycle press hold the ACTION button at any time to activate the relay The ACTION light will be turned on while the relay is activated The relay will be deactivated when the ACTION button is released 5 Minimum animation resolution is 1 8 second AUDIO D D O OUT AUDIO ACTION Do O pom POWER CF CARD SLOT N C 8 n no com rst TRE cnp voc 6 Press the PGM button again to exit the programming mode Both the audio and the
4. t will always use files in group 0 When the cycle starts the next time it will use files in the next group If the next group does not exist the system will reset to group 0 Therefore group numbers should be consecutive or some groups will not be accessible Within an animation cycle the first audio activation will play the first file in a certain group as described above The next audio activation will play the next file If the next file does not exist the system will reset to the first file in that same group Therefore file numbers should be consecutive within each group or some files will not be accessible In the simplest case there is only one file numbered 001 and ev ery audio activation uses this file
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