DKS PD72S, User Manual

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User manual for meter with U/I input PD72S
CONTENTS
1. BASIC REQUIREMENTS AND USER SAFETY ....................................................................................... 3
2. GENERAL CHARACTERISTICS ............................................................................................................. 4
3. TECHNICAL DATA .................................................................................................................................. 4
4. DEVICE INSTALLATION ......................................................................................................................... 6
4.1. UNPACKING ................................................................................................................................. 6
4.2. ASSEMBLY ................................................................................................................................... 6
4.3. CONNECTION METHOD ............................................................................................................... 8
4.4. MAINTENANCE ........................................................................................................................... 14
5. FRONT PANEL DESCRIPTION ............................................................................................................. 14
6. PRINCIPLE OF OPERATION ..................................................................................................................15
6.1. MEASUREMENT MODE .............................................................................................................. 15
6.2. DETECTION OF THE PEAK VALUES ..........................................................................................16
6.3. CONTROL OF THE RELAY OUTPUTS ........................................................................................17
6.3.1. One threshold mode ........................................................................................................... 18
6.3.2. Two thresholds mode.......................................................................................................... 19
7. DEVICE PROGRAMMING ...................................................................................................................... 20
7.1. PROGRAMMING MENU .............................................................................................................. 20
7.2. PARAMETERS EDITION ............................................................................................................. 21
7.2.1. Numeric parameters (digit change mode) ........................................................................... 21
7.2.2. Numeric parameters (slide change mode) .......................................................................... 21
7.2.3. Switch parameters
(“LIST” type) ......................................................................................... 22
7.3. MENU DESCRIPTION ................................................................................................................. 22
7.3.1.
“rEL1” menu ........................................................................................................................ 23
7.3.2.
“inPt” menu ......................................................................................................................... 25
7.3.3.
“bri” parameter .....................................................................................................................27
7.3.4.
“CoL” menu..........................................................................................................................27
7.3.5.
“HOLd” menu ...................................................................................................................... 29
7.3.6.
“SECu” menu ...................................................................................................................... 29
7.3.7.
“rS” menu ........................................................................................................................... 30
7.3.8.
“Edit” parameter .................................................................................................................. 31
7.3.9.
“dEFS” parameter ............................................................................................................... 31
7.3.10.
“SErv” menu ..................................................................................................................... 31
7.4. MENU STRUCTURE ................................................................................................................... 32
8. THE ALARM LED .................................................................................................................................. 34
9. OVER-CURRENT PROTECTION ........................................................................................................... 34
10. DISPLAYED VALUES CALCULATION ................................................................................................ 34
10.1. ADDITIONAL CALCULATIONS (USED CONVERSION CHARACTERISTIC) ............................ 34
10.1.1. Linear characteristic .......................................................................................................... 35
10.1.2. Square characteristic ........................................................................................................ 35
10.1.3. Square root characteristic ..................................................................................................36
10.1.4. User defined characteristic .................................................................................................36
10.2. EXAMPLES OF CALCULATIONS ...............................................................................................37
11. THE MODBUS PROTOCOL HANDLING ............................................................................................. 39
11.1. LIST OF REGISTERS ................................................................................................................ 40
11.2. TRANSMISSION ERRORS DESCRIPTION ............................................................................... 43
11.3. EXAMPLES OF QUERY/ANSWER FRAMES ............................................................................ 43
12. DEFAULT AND USER'S SETTINGS LIST ............................................................................................46
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