Circutor CVM-C4 Series - Three-Phase Network Measuring with 4-Wire Connection

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Instruction Manual
CVM-C4
Table 8 (Continued)� Display menu: Single-phase network measuring
Display menu: Single-phase network measuring
di
12
Status of digital inputs
1, statusofdigitalinput1:asheswhentheinputhasbeenactivated.
2, statusofdigitalinput2:asheswhentheinputhasbeenactivated.
do
12
Status of relay outputs
1, statusofrelayoutput1:asheswhentherelayhasbeenactivated.
2, statusofrelayoutput2:asheswhentherelayhasbeenactivated.
If the input voltage or current value higher than a % of the nominal value, the device can make
thedigitsonthedisplaystartashing,intheformofalightalarm. See “6.5.6.- LIGHT ALARM”
Note: If a display screen shows FFFF, check the programming of the transformation ratios.
5.2.- THREE-PHASE NETWORK MEASURING WITH 4-WIRE CONNECTION
The CVM-C4 has 24 display screens in the three-phase network measurement system with a
4-wire connection, Table 9.
Use the keys and to browse through the different screens.
The display screens can change automatically depending on the time programmed in the sec-
tion “6.5.2.- CYCLIC DISPLAY”.
Theinitialdisplayscreen,i.e.therstscreendisplayedwhenfeedingthedeviceorwhenexiting
thecongurationmenu,canbeprogrammedinsection “6.5.4.- INITIAL DISPLAY SCREEN”�