TECHTOP TD350 - Page 16

TD350 Series VFD Product overview
-11-
Function description
Specification
Peripheral
interface
Terminal analog input
resolution
No more than 20mV
Terminal digital input
resolution
No more than 2ms
Analog input
2 inputs, AI1: 0–10V/0–20mA; AI2: -10–10V
Analog output
1 output, AO1: 0–10V /0–20mA
Digital input
Four regular inputs; max. frequency: 1kHz; internal
impedance: 3.3kΩ
Two high-speed inputs; max. frequency: 50kHz; supports
quadrature encoder input; with speed measurement
function
Digital output
One high-speed pulse output; max. frequency: 50kHz
One Y terminal open collector output
Relay output
Two programmable relay outputs
RO1A NO, RO1B NC, RO1C common port
RO2A NO, RO2B NC, RO2C common port
Contact capacity: 3A/AC250V, 1A/DC30V
Extension interface
Three extension interfaces: SLOT1, SLOT2, SLOT3
Expandable PG card, programmable extension card,
communication card, I/O card, etc
Others
Installation mode
Support wall-mounting, floor-mounting and
flange-mounting
Temperature of running
environment
-10–50°C, derating is required if the ambient temperature
exceeds 40°C. For details about derating, see Section
B.2.2 "Derating".
Protection level
IP20
Pollution level
Level 2
Cooling mode
Air cooling
Brake unit
Built-in for VFDs of 220V (≤15kW), 460V(≤30kW), and
575V (≤18.5kW);
optional for VFDs of 220V (18.5–55kW), 460V(≥37kW),
and 575V (≥22kW)
EMC filter
The VFDs of 460V are configured with built-in C3 filters,
meeting the requirements of IEC61800-3 C2.
Overvoltage category
For input voltage 220-240V: transient surge suppression
shall be installed on the line side of this equipment and
shall be rated 220V (phase to ground), 220V (phase to
phase), suitable for overvoltage categoryⅢ, and shall
provide protection for a rated impulse withstand voltage
peak of 4kV.
For input voltage 323-480V: transient surge suppression
shall be installed on the line side of this equipment and
shall be rated 480V (phase to ground), 480V (phase to