1336-MOD-L2 driver circuit board

1336-MOD-L2 driver circuit board  

Product Details Introduction

1336-MOD-L2 is the core logic interface circuit board of Rockwell Allen Bradley 1336 series frequency converters. It is a key component for external hard wired control in industrial frequency conversion control systems. The following is a detailed introduction:

Belonging to 24VDC TTL level dedicated control interface board, different from dry contact MOD-L1 and 115VAC MOD-L3

The core function is to provide standard logic control interfaces, complete the access and conversion of signals such as start stop, forward and reverse, jog, speed regulation, etc

The working power supply is 24VDC, with an internal convertible output of 5V TTL logic level, only suitable for DC control signals

Fully compatible with the full range of frequency converters including 1336 PLUS, PLUS II, CLASS, FORCE, IMPACT, REGEN, etc

1336 series frequency converters with a power range covering 3HP to 800HP, suitable for a wide range of scenarios

Installed under the J8/J9 interface of the main control board, all control wiring is led out through the TB3 terminal block

Supports NEMA 12 and NEMA 4 protection level panels, which can adapt to harsh industrial environments such as high dust and humidity

This model has been discontinued by the factory, and currently the products in circulation on the market are mostly second-hand, refurbished parts, and inventory spare parts

The mainstream version is Ser A, and the easily confused models 1336-M0D-L2 and 1336-MOD-12 have spelling differences from the same product

TB3-30 is a hardware enable terminal that must be connected to 24VDC to start the frequency converter. This terminal is not programmable

Can connect various control signals such as start, stop, jog, forward and reverse rotation, external potentiometer speed regulation, etc

Collaborative drivers can achieve multiple protections such as motor overload, output short circuit, overvoltage and undervoltage, ground fault, etc

Common causes of malfunctions include abnormal 24V power supply, wiring errors, poor interface contact, and mismatched parameter configurations

When disassembling and assembling, power off and discharge, wear anti-static wristbands, and strictly prohibit live plugging and unplugging operations

Long term use recommendation: gradually replace with PowerFlex series frequency converters and supporting interface modules to avoid the risk of spare parts shortage

In summary, 1336-MOD-L2, as a dedicated logic interface board for the 1336 series frequency converter, plays an important role in industrial frequency conversion control. Although it has been discontinued, it is still widely used in existing equipment. Mastering its characteristics and maintenance points can effectively ensure the stable operation of the equipment.

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