Communication protocol, Holding registers table, Specifications – NOVUS Controller N1200 User Manual
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Controller N1200
NOVUS AUTOMATION
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REDUCED REGISTERS TABLE
FOR SERIAL COMMUNICATION
Communication Protocol
The MOSBUS RTU slave is implemented. All configurable
parameters can be accessed for reading or writing through the
communication port. Broadcast commands are supported as well
(address 0).
The available Modbus commands are:
03 - Read Holding Register
06 - Preset Single Register
05 - Force Single Coil
16 - Preset Multiple Register
Holding Registers Table
Follows a description of the usual communication registers. For full
documentation download the Registers Table for Serial
Communication in the N1200 section of our web site –
All registers are 16 bit signed integers.
Address Parameter
Register Description
0000 Active SP Read: Active control SP (main SP, from
ramp and soak or from remote SP).
Write: to main SP.
Range: from spll to spkl.
0001
PV
Read: Process Variable.
Write: Not allowed.
Range: Minimum value is the one
configured in spll and the maximum value
is the one configured in spkl. Decimal
point position depends on dppo value.
In case of temperature reading, the value
read is always multiplied by 10,
independently of dppo value.
0002
MV
Read: Output Power in automatic or manual
mode.
Write: Not allowed. See address 28.
Range: 0 to 1000 (0.0 to 100.0 %).
SPECIFICATIONS
DIMENSIONS: ...................................... 48 x 48 x 110 mm (1 / 16 DIN)
............................................................ Approximate Weight: 150 g
CUTOUT IN THE PANEL: ................. 45.5 x 45.5 mm (+0.5 -0.0 mm)
POWER SUPPLY..................... 100 a 240 Vac/dc (±10 %), 50 / 60 Hz
Optionally: .......................................................... 24 Vac/dc ±10 %
Maximum consumption: ........................................................ 9 VA
ENVIRONMENTAL CONDITIONS:
Operation Temperature: ............................................... 5 to 50 °C
Relative Humidity: .......................................... 80 % max. @ 30 ºC
For temperatures above 30 ºC, reduce 3 % for each ºC
Internal Use; Category of installation II, Degree of pollution 2;
altitude < 2000 m
INPUT ............. T/C, Pt100, voltage and current (according to Table 1)
Internal Resolution: .................................. 32767 levels (15 bits)
Resolution of Display: .... 12000 levels (from - 1999 up to 9999)
Rate of input reading: ................................. up to 55 per second
Precision: . Thermocouples J, K, T, E: 0.25 % of the span ±1 ºC
................... Thermocouples N, R, S, B: 0.25 % of the span ±3 ºC
................................................................ Pt100: 0.2 % of the span
.............................. 4-20 mA, 0-50 mV, 0-5 Vdc: 0.2 % of the span
Input Impedance: 0-50 mV, Pt100 and Thermocouples: >10 MΩ
................................................................................. 0-5 V: >1 MΩ
................................................. 4-20 mA: 15 Ω (+2 Vdc @ 20 mA)
Measurement of Pt100: ............... Three wire type, (α=0.00385)
with compensation for cable length, excitation current of 0.170
mA.
All input and output types are factory-calibrated. Thermocouples
according to standard NBR 12771 / 99, RTD’s NBR 13773 / 97;
ANALOGICAL OUTPUT (I/O5): ..... 0-20 mA or 4-20 mA, 550Ω max.
31000 levels, insulated, for control or retransmission of PV and SP
CONTROL OUTPUT:
2 Relays SPST-NA (I/O1 and I/O2): 1.5 A / 240 Vac, general use
.......................... 1 Relay SPDT (I/O3): 3 A / 250 Vac, general use
.......................... Voltage pulse for SSR (I/O5): 10 V max. / 20 mA
............. Voltage pulse for SSR (I/O3 and I/O4): 5 V max. / 20 mA
ELECTROMAGNETIC COMPATIBILITY: ............... EN 61326-1:1997
and EN 61326-1 / A1:1998
SAFETY: ........................ EN61010-1:1993 and EN61010-1 / A2:1995
USB INTERFACE 2.0, CDC CLASS (VIRTUAL
COMMUNICATIONS PORT), MODBUS RTU PROTOCOL.
SPECIFIC CONNECTIONS FOR TYPE FORK TERMINALS OF 6.3
MM;
FRONT PANEL: IP65, POLYCARBONATE - UL94 V-2;
CASE: IP30, ABS+PC UL94 V-0;
STARTS UP OPERATION AFTER 3 SECONDS CONNECTED TO THE
POWER SUPPLY;
CERTIFICATIONS: ........................................ CE / UL (FILE: 300526)