User Manual
EM303A General Purpose Inverter
13
interval. Meanwhile, if speed search is active, inverter will automatically detect
motor speed and direction to make it return the setting input frequency smoothly.
1.2.15
Multi-function Numeric Input Terminals
7 multi-function numeric input terminals X1
～
X7 of EM303A can be
programmed based on real needs.
1.2.16
Multi-function Analog Output Terminals
Multi-function analog output terminals M0
～
M1 of EM303A can be defined as
different information, or as signals of 0
～
10V or 0
～
20mA.
1.2.17
Multi-function Numeric Output Terminals
The output of multi-function numeric output terminals Y1 and Y2, and relays of
EM303A can be programmed based on real needs.
1.2.18
Autotuning Motor Parameter
When autotuning motor parameters is enabled, the inverter will autotune and save
the motor parameters. (Autotuning motor parameter is categorized as stationary
autotuning and rotational autotuning. Please make motor in idling status by
separating motor and load if taking rotational autotuning mode. )
1.2.19
Parameter Copy
All function parameters of EM303A can be copied through keypad.
1.2.20
Programmable Displayed Information
Monitoring codes C0-00
～
C0-31 of EM303A can be displayed by setting
program.
1.2.21
RS-485 Interface
Through RS-485 interface and computer monitoring software, multi-inverter
operation can be easily achieved with computer network.
1.2.22
User Password
User can set password to protect function codes from unauthorized editing.
1.2.23
Overmodulated Output
When the load is heavy, overmodulation can raise the output voltage of inverter
and lower motor current, and then lower motor temperature rising.
1.2.24
Oscillation Suppression
Mechanical load may have mechanical resonance point, and motor may have
electromagnetic resonance point. Oscillation suppression can eliminate resonance
and enable system to operate stably and to be free from failures.
1.3
EM303A Operation Status Definition
1.3.1
Operation Status of Inverter
z
Parameters setting status:
After power is on, inverter finishes initialization
enters standby status without fault or start-up command, and does not output.
z
Normal running status:
After receiving active start command through
keypad, control terminal or RS485, the inverter drives motor in accordance
Содержание EM303A-011G/015P-3CB
Страница 15: ...User Manual EM303A General Purpose Inverter 15 Figure 1 1 Speed Setting Modes...
Страница 16: ...User Manual EM303A General Purpose Inverter 16 Figure 1 2 Torque Input Modes...
Страница 23: ...User Manual EM303A General Purpose Inverter 23 Figure 2 4 Disassemble the Keypad Figure 2 5 Assemble the Keypad...
