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5.5
Applying the measuring current ......................................................................................... 41
5.6
Checking the displayed measured values ............................................................................ 41
6
Operation ............................................................................................................................................. 43
6.1
Device interface ................................................................................................................. 43
6.1.1
Displays and operator controls ........................................................................................... 43
6.1.2
Special display elements .................................................................................................... 44
6.1.3
Menu-based navigation ..................................................................................................... 45
6.1.3.1
Measured value level ......................................................................................................... 45
6.1.3.2
Main menu level ................................................................................................................ 46
6.1.3.3
Setting level ...................................................................................................................... 46
6.1.3.4
Editing level ....................................................................................................................... 46
6.1.4
Control keys ...................................................................................................................... 47
7
Parameterizing .................................................................................................................................... 49
7.1
Introduction ...................................................................................................................... 49
7.2
Parameterizing via the operator interface ........................................................................... 50
7.2.1
Device information ............................................................................................................ 51
7.2.2
Language .......................................................................................................................... 51
7.2.3
Basic parameters ............................................................................................................... 52
7.2.4
Integrated I/Os ................................................................................................................... 54
7.2.5
MODBUS RTU communication ............................................................................................ 56
7.2.6
Display .............................................................................................................................. 57
7.2.7
ENERGY COUNTER ............................................................................................................. 58
7.2.8
Advanced .......................................................................................................................... 59
7.2.8.1
Password ........................................................................................................................... 59
7.2.8.2
Resetting ........................................................................................................................... 60
8
Security features ................................................................................................................................. 61
8.1
Password protection .......................................................................................................... 61
9
Service and maintenance .................................................................................................................... 63
9.1
Cleaning ............................................................................................................................ 63
9.2
Firmware update ............................................................................................................... 63
9.3
Warranty ........................................................................................................................... 64
10
Technical data ..................................................................................................................................... 65
10.1
Labeling ............................................................................................................................ 73
11
Dimensional drawings ......................................................................................................................... 77
A
Appendix ............................................................................................................................................. 79
A.1
Modbus ............................................................................................................................. 79
A.1.1
Function codes .................................................................................................................. 79
A.1.2
Exception codes ................................................................................................................. 80
A.1.3
Modbus measured variables with the function codes 0x03 and 0x04 .................................. 80
A.1.4
and 0x04 ........................................................................................................................... 83
A.1.5
Structure - Device diagnostics and device status with the function codes 0x03 and
0x04.................................................................................................................................. 83
A.1.6
Modbus status parameters with the function code 0x02 ..................................................... 84
4
Equipment Manual, 05/2020, L1V30610008B-01
PAC1020
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