![EMH ITZ Installation & Operation Manual Download Page 3](http://html1.mh-extra.com/html/emh/itz/itz_installation-and-operation-manual_2401152003.webp)
3
Contents page
1
Prologue ......................................................................................................... 6
1.1
Safety tips ........................................................................................................ 6
1.2
Maintenance- and guarantee tips .................................................................... 6
2
Mounting and installation ............................................................................. 7
2.1
Mounting the meter .......................................................................................... 7
2.2
Connecting the meter ...................................................................................... 7
2.3
Terminal blocks................................................................................................ 8
2.3.1
Transformer operated meter ............................................................................ 8
2.3.2
Direct connected meter 60 A ........................................................................... 8
2.3.3
Direct connected meter 100 A ......................................................................... 9
3
General features .......................................................................................... 10
4
Standards and regulations ......................................................................... 11
5
Housing-, operating- and display elements .............................................. 12
6
Technical description .................................................................................. 13
6.1
Technical data ............................................................................................... 13
6.2
Functional circuit diagram .............................................................................. 14
6.3
Tariff switching clock ...................................................................................... 14
6.4
Data interfaces............................................................................................... 15
6.4.1
Optical data interface D0 .............................................................................. 15
6.4.2
Electrical data interface RS232 ..................................................................... 15
6.4.3
Electrical data interface RS485 ..................................................................... 16
6.4.4
Electrical data interface CL0 (CS).................................................................. 17
6.4.5
raconet radio interface ................................................................................... 17
6.5
Inputs ............................................................................................................. 18
6.6
Outputs .......................................................................................................... 18
6.7
Housing ......................................................................................................... 18
6.7.1
Baseplate ....................................................................................................... 18
6.7.2
Sealable meter cover ..................................................................................... 19
6.7.3
Sealable terminal cover ................................................................................. 19
7
Operating the meter ..................................................................................... 20
7.1
Operation modes ........................................................................................... 20
7.1.1
Parameter status (PAR-Status) ..................................................................... 20
7.1.2
Test mode ...................................................................................................... 20
7.1.3
Standard operation mode .............................................................................. 20
7.1.3.1 Standard display ............................................................................................ 20
7.1.3.2 Error status display ........................................................................................ 20
7.2
Display ........................................................................................................... 21
7.2.1
Installation error recognition .......................................................................... 22
7.2.2
Manipulation recognition ................................................................................ 25
7.3
Display control ............................................................................................... 27
7.3.1
Display control (Firmware 4.XX) .................................................................... 27
7.3.2
Display control (Firmware 5.XX and 6.XX) .................................................... 28
8
Special features ........................................................................................... 29
8.1
Energy registration......................................................................................... 29
8.2
Registration of instantaneous values ............................................................. 29
8.3
Measuring of the maximum demand.............................................................. 29
9
Meter readout ............................................................................................... 30
9.1
Communication software ............................................................................... 30
10
Appendix ...................................................................................................... 31
10.1
OBIS (Object-Identification-System) .............................................................. 31
10.2
EC Declaration of conformity ......................................................................... 33