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PM9607AP Datasheet(PDF) 8 Page - Sames |
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PM9607AP Datasheet(HTML) 8 Page - Sames |
8 / 16 page 8/16 sames PM9607AP For module calibration use Channel Sel. (below) to switch to one of the two channel permanently. Calibrate the channel and switch to the next channel. Calibrate the channel and set Channel Sel to automatic for normal meter operation. This is equal to the SA9607P’s Kc parameter, which is used for channel balance. The channel select parameter selects the source for energy metering. (SA9607P’s CS parameter). The options are ‘0’ for automatic, ‘1’ for channel 1 and ‘2’ for channel 2. The modules earth leakage compensation value is set up with this parameter. (SA9607P’s Ne parameter). The options are ‘0’ for a factor of 0.15, ‘1’ for a factor of 0.076 and ‘2’ for a factor of 0.032. The memory map, as calculated from the settings in the program, is listed by pressing “l”. It does not show the content of the EEPROM. Pressing “w” writes to the EEPROM. The EEPROM on the PM9607AP module will be updated with settings specified by the program. Pressing “t” triggers a reload. The SA9607P is triggered and reloads the parameters from the EEPROM. The SA9607P will reload the parameters every 1132 seconds. The contents of the EEPROM is displayed by pressing “r”. The program is exited by pressing “q”. Channel Sel. Earth Leak LIST MEMORY WRITE TO EEPROM DEVICE RELOAD TRIGGER READ FROM EEPROM QUIT THE PROGRAM PCB DESIGN The module represents a Class 1 meter and is designed to demonstrate the functionality and performance of both the SA9607M and the SA9607P single phase metering circuits. The SA9607M requires external settings and gain adjustment. The SA9607P allows for complete digital calibration without any external adjustments. The board can be configured for either of the two ICs by means of jumper settings. The module is a demonstration unit as well as a reference point for the meter manufacturer. All the digital pins of the device have at least one test point. Jumpers isolate LED’s and counters from the device The groundplane, which is connected to neutral, protects the device from external noise and is used to connect the power supply bypass capacitors C1 and C2. On the current input resistors and the CT termination resistor loops are introduced to cancel out the signal induced by the transformers magnetic field. The 5V supply is de-coupled and routed directly to the power pins of the IC. P2 is connected with a separate track to the VSS pin of the SA9607. GROUND PLANE http://www.sames.co.za |
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