Technical Specifications
.
CTW900 | 141
10.2
ELECTRONICS/GENERAL DATA
POWER SUPPLY
SOURCE
■
Maximum consumption:
■
90 to 240 Vac, single phase, in sizes:
−
Size A: 1.0 A;
−
Size B: 1.0 A;
■
220 Vac ± 5%, single phase, in sizes:
−
Size C: 1.5 A;
−
Size D: 2.0 A.
CONTROL
REGULATORS
■
Execution rate according to the frequency of the line (50 Hz/ 60 Hz)
−
speed regulator: 3.33 ms / 2.77 ms;
−
current regulator: 3.33 ms / 2.77 ms;
−
field regulator 10 ms / 8.33 ms;
−
EMF regulator: 10 ms / 8.33 ms.
PERFORMANCE
SPEED CONTROL
Feedback by EMF
■
Speed variation range: 1:30;
■
Static precision of speed control: 2 to 5 % (variable with the motor).
Feedback by DC Tachogenerator
■
Speed variation range: 1:100;
■
Static precision of speed control: 0.1 % of the maximum speed.
Feedback by Encoder
■
Speed variation range: 1:100;
■
Static precision of speed control:
−
0,05 % of the rated speed, with analog reference of 12 bits (AI1/AI2);
−
0.01 % of the rated speed, with analog reference of 14 bits (AI4–IOA) or digital
reference (keypad, serial, fieldbus, E.P., Multispeed).
INPUTS
ANALOG
■
2 differential inputs isolated by differential amplifier, impedance 400 kΩ (voltage) or
500 Ω (current), programmable functions:
-
AI1: 0 to +10 V, 0 to 20 mA / 4 to 20 mA, resolution of 12 bits;
-
AI2: 0 to ±10 V, 0 to 20 mA / 4 to 20 mA, resolution 11 bits + signal.
DIGITAL
■
6 isolated digital inputs, 24 Vdc, programmable functions.
DC
TACHOGENERATOR:
■
3 differential inputs for voltage of the DC tachogenerator, impedance 30 kΩ (9-30V),
100 kΩ (30-100 V) and 320 kΩ (100-350 V).
OUTPUTS
ANALOG
■
2 isolated outputs, 0 to +10 V (R
L
≥
10 kΩ for max. load), 0 to 20 mA / 4 to 20 mA,
(R
L
≤
500 Ω), resolution 11 bits, programmable functions.
DIGITAL (RELAY)
■
3 relays with NO/NC contacts, 240 Vac, 1A, programmable functions.
SAFETY
PROTECTIONS
■
Undervoltage and overvoltage in the line, with adjustable actuation levels;
■
Unbalance of the line voltages (adjustable);
■
Under/over frequency on the line (adjustable);
■
Overvoltage on the armature (adjustable);
■
Under temperature and over temperature on the converter;
■
Overcurrent on the armature and on the field (adjustable);
■
Overload on the motor (adjustable);
■
Field loss;
■
Stall protection (adjustable);
■
Overspeed (adjustable);
■
Detection of inversion and signal loss of the tachogenerator or encoder;
■
Fault detection on the armature fuses (for converters size D);
■
Fault detection on the CPU and flash memory module;
KEYPAD (HMI)
KEYPAD
■
9 keys: Run, Stop, Increment, Decrement, Direction of Rotation, Jog,
Local/Remote, right soft key and left Soft key;
■
Graphic LCD display;
■
It enables accessing/changing all the parameters;
■
Permanent indication of the operating status of the converter;
■
Indication of alarms, faults and programming incompatibility;
■
Possibility of external mount via serial cable up to 10m (see Table 9.1).
CONNECTION TO PC
USB SERIAL
INTERFACE
■
USB standard Rev. 2.0 (basic speed);
■
USB plug type B ("device");
■
Interconnecting cable: standard host/device shielded USB cable.
COMMUNICATION
NETWORKS
■
Modbus RTU;
■
Modbus TCP;
■
DeviceNet;
■
Profibus DP;
■
EtherNet/IP;
■
PROFINET IO.
