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DHC-96 CPM
Instruction Manual
CONTENTS
SAFETY PRECAUTIONS .........................................................................................................................................................3
DISCLAIMER ..........................................................................................................................................................................3
CONTENTS.............................................................................................................................................................................4
REVISION LOG .......................................................................................................................................................................6
SYMBOLS...............................................................................................................................................................................6
1. VERIFICATION UPON RECEPTION ....................................................................................................................................7
2. PRODUCT DESCRIPTION .................................................................................................................................................7
3. DEVICE INSTALLATION....................................................................................................................................................9
3.1.- PRIOR RECOMMENDATIONS ....................................................................................................................................9
3.2.- INSTALLATION ......................................................................................................................................................10
3.3.- DEVICE TERMINALS................................................................................................................................................11
3.4.- CONNECTION DIAGRAM......................................................................................................................................... 12
3.4.1.- DHC-96 CPM: CURRENT MEASUREMENT USING SHUNT ............................................................................. 12
3.4.2.- DHC-96 CPM-HS: CURRENT MEASUREMENT USING HALL EFFECT SENSOR .............................................. 13
4. OPERATION.................................................................................................................................................................... 14
4.1.- DISPLAY ................................................................................................................................................................. 14
4.2.- KEYBOARD FUNCTIONS ......................................................................................................................................... 14
4.3.- RELAY OUTPUTS ...................................................................................................................................................15
4.4.- ANALOG OUTPUT ..................................................................................................................................................15
4.5.- DIGITAL INPUTS ...................................................................................................................................................15
4.6.- DISPLAY................................................................................................................................................................. 16
4.6.1.- MAXIMUM & MINIMUM VALUES ..................................................................................................................... 17
4.6.2.- TOTALISERS .................................................................................................................................................... 17
5. CONFIGURATION ...........................................................................................................................................................18
5.1.- CONFIGURATION OF THE INPUT ........................................................................................................................... 20
5.1.1.- VOLTAGE DISPLAY VALUE................................................................................................................................ 20
5.1.2.- VOLTAGE MEASUREMENT RANGE ................................................................................................................... 21
5.1.3.- CURRENT DISPLAY VALUE.............................................................................................................................. 21
5.1.4.- CURRENT INPUT..............................................................................................................................................22
5.1.5.- SAVE CONFIGURATION ....................................................................................................................................22
5.2.- RS-485 COMMUNICATIONS...................................................................................................................................23
5.2.1.- MODBUS ADDRESS .........................................................................................................................................23
5.2.2.- BAUD RATE .....................................................................................................................................................24
5.2.3.- DATA FORMAT.................................................................................................................................................24
5.2.4.- SAVE CONFIGURATION....................................................................................................................................24
5.3.- ANALOG OUTPUT ..................................................................................................................................................25
5.3.1.- TYPE OF OUTPUT........................................................................................................................................... 26
5.3.2.- ANALOG OUTPUT PARAMETER..................................................................................................................... 26
5.3.3.- READING FOR THE START OF THE ANALOG OUTPUT .....................................................................................27
5.3.4.-READING FOR THE END OF THE ANALOG OUTPUT ........................................................................................ 28
5.3.5.- SAVE CONFIGURATION................................................................................................................................... 28
5.4.- RELAY OUTPUT 1 .................................................................................................................................................. 29
5.4.1.- RELAY MODE.................................................................................................................................................. 29
5.4.2.- RELAY PULSE DURATION ............................................................................................................................... 30
5.4.3.- ALARM PARAMETER ..................................................................................................................................... 30
5.4.4.- CONNECTION DELAY ....................................................................................................................................... 31
5.4.5.- ALARM VALUE................................................................................................................................................. 31
5.4.6.- HYSTERESIS....................................................................................................................................................32
5.4.7.- SAVE CONFIGURATION ...................................................................................................................................33
5.5.- RELAY OUTPUT 2 .................................................................................................................................................33
5.6.- CONFIGURATION OF THE DISPLAY ........................................................................................................................34
5.6.1.- LOGIN PASSWORD .......................................................................................................................................... 35
5.6.2.- CYCLIC DISPLAY ............................................................................................................................................ 35
5.6.3.- BACKLIGHT OF THE DISPLAY ........................................................................................................................ 35
5.6.4.- LIGHT ALARM ................................................................................................................................................ 36
5.6.5.-DISPLAY HOME SCREEN................................................................................................................................. 36
5.6.6.- DELETING THE MAXIMUM & MINIMUM VALUES ............................................................................................37
5.6.7.- DELETING THE ELECTRICAL CHARGE TOTALISERS .........................................................................................37
5.6.8.- DELETING THE ENERGY TOTALISERS............................................................................................................. 38