ND30-09D 79 User's manual
Relay outputs (A1, A2) 2 programmable relays, volt-free NO contacts,
load capacity (resistive) 0.5 A/250 V AC or
5 A/30 V DC
Switching number: mechanical min. 5 ´ 10
6
electric min. 1 x 10
5
Analog output
(0 .. 20 mA)
1 output: 0… 20 mA (4…20mA) programmable
Load resistance ≤ 400 Ω . Voltage 10 V. Basic
error 0.2%.
Inputs (T1, T2)
2 x Pt100, 2-wire, -50 ..+400 °C, basic error 0.5 %
Serial interface RS-485 Modbus RTU 8N2, 8E1, 8O1, 8N1.
Address 1..247,
Baud rate 4.8, 9.6, 19.2, 38.4, 57.6, 115.2 kbit/s
Maximum response time: 600 ms
Ethernet interface 10/100 Base-T, RJ45 socket, web server
FTP Server
Modbus TCP/IP server, DHCP client
Sampling
A/D Converter 16-bit
sampling rate 6.4 kHz at 50 Hz
7.68 kHz at 60 Hz
Simultaneous sampling of all loops,
128 samples per cycle
Harmonics
Harmonic (n) 1..51
Harmonic distortion factor referred to the
voltage THD, current THD (n=2..51)
0.0 ..100.0%
FFT analysis (Fast Fourier Transform)
Real Time Clock
±20 ppm, real time clock battery CR2032
Registration
Archiving period (registration interval) 1..3600
sec.
Registration activation modes: n_on, noFF,
on,oFF, H_on, HoFF, 3non, 3noF, 3_on, 3_oF,
Registration time: depends on the configuration
e.g. approx. 220 days for interval 1 sec.
Files archive memory 8 GB
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