Description

TRANSDUCER OF D.C. CIRCUIT PARAMETERS WITH ETHERNET

DESCRIPTION OF TRANSDUCER OF D.C. CIRCUIT PARAMETERS WITH ETHERNET

The output signal is galvanically isolated from the input signal and the power supply.
P30H has programmable measurement and additional functions.
Programming parameters can be realized with the use of buttons, via RS-485 interface and free e-con software or Ethernet or any web browsers (see how it works: login – user, password – pass)

Programmable transducer P30H is suited for voltage, current

(voltage measurement from a shunt) and power measurement in d.c.

circuits and for conversion of measured value into a standard d.c. and

a.c. signal. Output signal is galvanically insulated from input signal and

power signal. Transducer uses 2×8 characters LCD.

Characteristics of P30H Transducer:

• conversion of measured values into an output signal on the base of

the individual linear characteristic,

• one or two relay alarms with the n/o contact operating in 6 modes,
• 24 VDC 30 mA auxiliary power turned on/off according to program

(optional)

• signaling of the set alarm values tripping,
• programming of alarm output and analog outputs reacting to the

selected input value,

• real time clock with the clock power support function in case of the

transducer power failure,

• input signal registration in the internal memory and SD/SDHC cards

within the programmed time intervals (optional),

• internal memory with 534336 record capacity,
• automatic decimal point set,
• set parameters display,
• password protection for the input parameters,
• compatibility with RS-485 interface with MODBUS protocol, in RTU

mode,

• measurement averaging time programming,
• SD/SDHC card use – FAT and FAT32 system compatibility,
• Master RS-485 mode – 1 device query,
• Ethernet interface10/100 BASE-T (optional)

◦protocol: Modbus TCP/IP, HTTP, FTP,

◦services: web server, FTP server, DHCP client

The values measured and calculated by the transducer:

voltage+ rescaling constant

current (as measured voltage at the shunt ± 150 mV) + rescaling

constant

power

voltage difference in time 5 s, 30 s, 1 min, 5 min, 15 min (dU)

current difference in time 5 s, 30 s, 1 m, 5 m, 15 m (dI)

averaged voltage (eg.15 min.)

averaged current (eg.15 min.)

averaged power (eg.15 min.)

time in seconds

time in hours and minutes

charge capacity in Ah

imported energy

exported energy

maximum and minimum values.

Transducer allows for the use of voltage and current rescaling

constants, which will be included in the measurement and calculation

of all measurement values. Value upgrade time does not exceed 1

second. All values and configuration parameters are available through

RS-485 and Ethernet (Modbus protocol) (option).