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Although the unit is protected against 
electromagnetic disturbance, excessive 
disturbance can affect the operation, 
measurement precision and data 
communication quality. 

 

 

Use cables of appropriate temperature 
range. 

 

Use adequate cable section, at least 
0.75mm

(AWG18).  

 

For current transformer inputs, use at 
least 1.5mm

2

 section (AWG15) cable. 

 

The current transformer cable length 
should not exceed 1.5 meters. If longer 
cable is used, increase the cable 
section proportionally. 

 

Current transformers must have 5A 
output. 

 

For the RS-485 connection, use 
appropriate shielded twisted wire 
cable. Communication quality will 
depend highly on the cable used. 

 

Do not install the unit close 
to high electromagnetic 
noise emitting devices like 
contactors, high current 
busbars, switchmode power 
supplies and the like.

 

 

ELECTRICAL INSTALLATION 

 

REQUIRED PANEL DEPTH 

 

PANEL CUTOUT 

 

Содержание DKM-409

Страница 1: ... specified in the user manual Do not try to clean the device with solvent or the like Only clean with a dry cloth Verify correct terminal connections before applying power Only for front panel mounting Before installation Read the user manual carefully determine the correct connection diagram Remove all connectors and mounting brackets from the unit then pass the unit through the mounting opening ...

Страница 2: ...WG15 cable The current transformer cable length should not exceed 1 5 meters If longer cable is used increase the cable section proportionally Current transformers must have 5A output For the RS 485 connection use appropriate shielded twisted wire cable Communication quality will depend highly on the cable used Do not install the unit close to high electromagnetic noise emitting devices like conta...

Страница 3: ...CONNECTION DIAGRAM FOR 230 400V NETWORK ...

Страница 4: ...R FOR 3 SEC Clears visual warning condition if any If no warning condition enters configuration mode The unit offers the possibility of automatically scanning of all display screens In order to enable auto scroll function hold the SET button pressed for 3 seconds In order to disable auto scroll function hold the SET button pressed for 3 seconds When the auto scroll is enabled the unit will switch ...

Страница 5: ...ave new LCD contrast value and return back to CONFIGURATION MENU Select LANGUAGE on CONFIGURATION MENU Select language with MENU buttons then press SET to save the new language and return to CONFIGURATION MENU For the correct current measurement the current transformer ratio has to be set properly The secondary of the current transformer is always supposed to be 5 Amps Only the primary value is se...

Страница 6: ...n 1000V AC 1 minute Serial Port Signal level RS 485 Communication Modbus RTU Data Rate 9600 b no parity 1 bit stop Isolation 500V AC 1minute Serial port cable 2 wires twisted shielded cable Max 60pF meter Operating Temperature 20 C to 70 C 4 to 158 F Maximum humidity 95 non condensing Degree of Protection IP 54 Front Panel IP 30 Back panel Enclosure Non flammable ROHS compliant ABS PC UL94 V0 Inst...

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