Electronics/General Data - Eliwell EWCFW-08 User Manual

7.2 ELECTRONICS/GENERAL DATA

CONTROL
FREQUENCY
V/F CONTROL
PERFORMANCE
INPUTS
(Control Board
ECC3)
OUPUTS
(Control Board
ECC3)
SAFETY PROTECTION
KEYPAD
(HMI) (HMI-CFW-08-P)
NEMA1 / IP20
DEGREE OF
PROTECTION
PROTECTED CHASSIS/
STANDARDS
Voltage Source Inverter
METHOD
V/F Control or Sensorless Vector Control (V.V.C. - Voltage Vector Control)
PWM SVM (Space Vector Modulation)
OUTPUT
0 to 300 Hz, resolution of 0.01 Hz
Speed regulation: 1 % of the rated speed
VECTOR
Speed regulation: 0.5 % of the rated speed
CONTROL
CFW-08: 1 isolated input, resolution: 8 bits, linearity error <0,25 %.
(0 to 10) V or (0 to 20) mA or (4 to 20) mA, Impedance: 100 k (10
to 10) V, 500  (0 to 20) mA or (4 to 20) mA, programmable function
including digital input or PTC input
ANALOG
CFW-08 Plus: 2 isolated inputs, resolution: 8 bits, linearity error
<0,25 %. (0 to 10) V/(-10 to +10) V/(0 to 20) mA or (4 to 20) mA,
Impedance: 100 k (0 to 10) V/(-10 to +10) V, 500  (0 to 20) mA/
(4 to 20) mA programmable function including digital input or PTC input
4 isolated digital inputs, NPN or PNP logic, programmable functions
DIGITAL
Resolution: 8 bits, programmable functions
CFW-08 Plus: 1 isolated output, (0 to +10) V, or (0 to 20) mA or
ANALOG
(4 to 20) mA, R
CFW-08: 1 relay with reverse contacts, 240 Vac, 0.5 A, programmable
functions
RELAY
CFW-08 Plus: 2 relays, one with NO contact and one with NC
contact. It can be programmed to operate as 1 reverse, 240 Vac,
0.5 A, programmable functions
Overcurrent/output short-circuit
Output ground fault
DC link under/overvoltage
Inverter overtemperature
Motor/inverter overload (IxT)
External fault
Programming error
Self-tuning error
Defective inverter
8 keys: start, stop, increment, decrement, FWD/REV, JOG,
local/remote and programming
LEDs display: 4 digits with 7 segments
LEDs for FWD/REV and LOCAL/REMOTE indication
STANDARD
It permits access/alteration of all parameters
Display accuracy:
- current: 10 % of the rated current
- speed resolution: 1 rpm
- frequency resolution: 0.01 Hz
Models 22 A, 28 A and 33 A/220-240 V and 13 A, 16 A, 24 A and
30 A/380 V-480 V; other models with KN1-CFW08-M1 and
KN1-CFW08-M2 kits
All models without KN1-CFW08-M1 and KN1-CFW08-M2 kits
IP20
IEC 146
Inverters and semicondutors
UL 508 C
Power Conversion Equipment
EN 50178 Electronic equipment for use in power installations
EN 61010 Safety requirements for electrical equipment for measurement,
control and laboratory use
EN 61800-3
EMC product standard for adjustable speed electrical power drive systems
Table 7.3 - General data of the CFW-08 electronics
CHAPTER 7 - TECHNICAL SPECIFICATIONS
 10 k (maximum load)
L
85