Siemens SMART 7KT Operating Instructions Manual

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Multi-function Meter
SMART 7KT
7KT0310
Technical Specifi cation
DISPLAY
Large backlit Liquid Crystal display
4 Lines with 4 digits each to show measured values
5th Line with 8 digits to show energy values
Bar graph for current indication
LCD INDICATIONS
I - Integration of energy
PRG - Unit is in confi guration menu
- Communication in progress
MAX DMD - Maximum and Minimum Demand Power
WIRING INPUT
3 Ø - 4 wire, 3 Ø - 3 wire,
RATED INPUT VOLTAGE
11 to 300V AC (L-N); 19 to 519V AC (L-L);
Installation Category III (600V)
FREQUENCY RANGE: 45-65 Hz
RATED INPUT CURRENT
Nominal 1A / 5A AC (Min-11mA , Max-6A for 5A)
BURDEN: 0.5 VA@5A per phase
CURRENT TRANSFORMER TYPE: Measurement C.T, FS 10
CT PRIMARY
1A / 5A to 10,000A (Programmable for any Value)
• 1A to 10,000A when CT secondary is 1
• 5A to 10,000A when CT secondary is 5
CT SECONDARY: 1A or 5A (Programmable)
PT PRIMARY: 100V to 500kV (Programmable for any value)
PT SECONDARY
100V to 500V AC (L-L)(Programmable for any value)
DISPLAY UPDATE TIME
1 sec. for all parameters
Operating Instructions
Please read and understand these instructions before installing,
operating, or maintaining the equipment.
DANGER
Hazardous voltage. Will cause death or serious
injury. Turn off and lock out all power supply to
this device before working on this device.
Replace all covers before power supplying this
device is turned on.
DISPLAY SCROLLING
Automatic or Manual (Programmable)
POWER CONSUMPTION
Less than 8VA
ENVIRONMENTAL CONDITIONS
- Indoor use
- Altitude of up to 2000 meters
- Pollution degree II
Temperature : Operating : -10°C to 55°C
Storage
Humidity : Up to 85% non-condensing
PROTECTION CLASS: II
IP 65 (Front Panel Door); IP 20 (Rear Side)
OVERVOLTAGE CATEGORY : III
MOUNTING: Panel mounting
WEIGHT:
360gms
ORDER CODE INFORMATION
Product
7KT0310 95V to 240V AC, ±10%, 50/60Hz (±5%)
SERIAL COMMUNICATION
Interface standard and protocol
Communication address
Transmission mode
Data types
Transmission distance
Transmission Speed
Parity
Stop bits
Response Time
: -20°C to 75°C
Supply
RS485 and MODBUS RTU
1 to 255
Half duplex
Float and Integer
500m maximum
300, 600, 1200, 2400, 4800, 9600,
19200 (in bps)
None, Odd, Even
1 or 2
100ms Max & Independent, at Baud
rate