Allen Bradley 1336 PLUS series AC frequency converter

Allen Bradley 1336 PLUS series AC frequency converter

Product positioning and basic information

Product Model: 1336 PLUS AC Variable Frequency Drive

Power range: 0.37-448 kW (0.5-600 HP)

Firmware version: FRN 1. xx~5. xx

Voltage level: 200-240V/380-480V/500-600V three-phase

Control mode: sine PWM, V/Hz, sensorless vector, process PI closed-loop

Frequency range: 0-400 Hz

Overload capacity: 150% for 1 minute (constant torque)

Safety and General Standards

Safety Warning

High voltage electric shock risk, wait for the DC bus to discharge to 0V after power outage

The device is ESD sensitive and requires anti-static measures during disassembly and assembly

Models with a power greater than 45kW cannot use firmware versions lower than 1.07

Model coding rules

1336S+voltage code+power code+protection code+language code

Protection: IP20, IP54 (NEMA12), IP65 (NEMA4)

Nameplate location

A1-A4: Main control board installation board

B-G: Bottom of the chassis

Installation and wiring specifications

1. Installation requirements

Installation direction: Vertical installation

Heat dissipation spacing: left and right ≥ 30mm, up and down ≥ 100-152mm

Environmental temperature: 0-40 ℃ (closed)/0-50 ℃ (open)

Altitude: ≤ 1000m without capacity reduction

2. Main circuit wiring (TB1)

Terminal function

R/S/T (L1/L2/L3) three-phase power input

U/V/W (T1/T2/T3) motor output

PE safety grounding

DC+/DC - DC bus, braking resistor

3. Control circuit wiring (TB2/TB3)

TB2：0–10V、4–20mA、 Pulse input, relay output

TB3: Switching control, encoder feedback (L4/L5/L6/E versions)

Encoder: 5V/12V, differential/single ended, up to 125kHz

4. Protection and EMC

Input fuse: Match Class CC/J/T or gG according to the model

Grounding: Single point low impedance grounding, grounding at both ends of the motor cable shielding layer

EMC: RFI filter is required to meet CE requirements, and the power line and signal line must be separated

5. Maximum length of motor cable (380-480V)

table

Model without components, terminal, and reactor

A Frame 12.2m 91.4m 182.9m

B–C 12.2m 182.9m 182.9m

D–G 30.5m 182.9m 91.4m

Human Interface Module (HIM)

Core buttons

ESC/SEL: Exit/Select

Start stop, jog, direction, increase/decrease

Operation Mode

Display mode (read-only)

Programming mode (read-write)

Process mode (custom monitoring)

EEPROM mode (factory reset, parameter download)

Password mode (permission protection)

Search mode (check for non default parameters)

core functionality

Fault queue: View the last 4 faults

Logic shielding: Hot plug HIM does not report errors

Customize the power on display interface

Start debugging process

Power off → Disconnect motor → Power on → Restore factory parameters

Set Input Mode → Power off and restart to take effect

Write on motor nameplate: voltage/frequency/current/speed

Select control mode: Vector/V/Hz

Set maximum/minimum frequency and acceleration/deceleration time

No load test run → Calibration direction → Setting magnetic flux/slip

Connect the motor to load → optimize the slip gain and magnetic flux rise time

Set electronic overload, DC braking, and jump frequency

Parameter programming system

The parameters are divided into 14 functional groups, with the core as follows:

Set up a group

Input mode, maximum frequency 60Hz, acceleration/deceleration 10s, current limit 150%

Motor control group (FRN 4.01+)

Sensorless vector V/Hz、 Power Saving Mode

Initial boost, operational boost, inflection point voltage/frequency

Frequency setting group

Preset speed of 7 segments, jump frequency of 3 points, jog frequency of 10Hz

I/O configuration group

Analog calibration, relay output, analog output

Fault group

Fault cache, clearing method, grounding warning, disconnection protection

Fault diagnosis and protection

1. Common faults (example)

Fault code name and reason

F05 overvoltage deceleration fast, regenerative energy, high power grid

F07 motor overload load, improper protection current setting

F08 overheating and poor heat dissipation, fan failure

F12 overcurrent output short circuit, fast acceleration, motor failure

F13 grounding fault motor/cable grounding

F10 communication failure SCAnport device disconnected

2. Protection function

Overcurrent, overvoltage, undervoltage, overload, overheating, grounding, phase to phase short circuit

Power drop crossing 15ms, logic crossing 0.5-2s

Electronic thermal relay Class10, capable of reducing capacity according to speed ratio

Technical specifications and certification

environment

Humidity: 5-95% RH (no condensation)

Vibration: 1G, Impact: 15G

electrical

Power factor: 0.95 (A4 or above)

Efficiency: 97.5%

Carrier frequency: 2-10kHz (different models)

certification

cULus、CE、CSA

Compliant with EN61800-6-4/6-2 and EN55011

Key issues

Question 1: What are the core control modes of the 1336 PLUS frequency converter? What scenarios are they applicable to?

answer:

V/Hz control: General scenario, multiple motors in parallel, fans and pumps, simple speed regulation, and simple parameter configuration.

Sensorless vector control: high-precision speed regulation, fast torque response, suitable for conveyor belts, presses, and single motor speed regulation.

Process PI closed-loop control: a process system that requires pressure/flow/liquid level closed-loop.

Energy saving mode: Long term operation under light load, automatically reducing output voltage to save energy.

Question 2: What motor parameters must be set during startup debugging? What are the consequences of setting errors?

Answer: It is necessary to set the rated voltage, rated frequency, rated current, and rated speed of the motor. Consequences of Error:

Voltage/frequency error → abnormal V/Hz curve, insufficient torque or overheating.

Current error → Overload protection misoperation or failure to protect.

Speed error → vector control misalignment, low-speed instability, and runaway.

Question 3: What are the most common causes and quick solutions for overvoltage faults (F05)?

Answer: The most common reason is that the deceleration time is too short, and the regenerative energy of the motor causes the bus voltage to exceed the standard. Quick resolution:

Extend the deceleration time by half.

Enable Bus Limit En.

Install high power/high inertia braking resistors/braking units.

Check if the power grid is consistently high.