Woodward PCM112-14 Small Engine Powertrain Control Module Features

Features and Functionality

Application programming is done on the PCM112 using Woodward's MotoHawk application software tool.

MotoHawk is a rapid control system development tool that allows control engineers to quickly create control software directly in Simulink diagrams.

The software runs on any electronic control module that supports MotoHawk.

Working directly in the Simulink environment, application developers can convert application models

into files that can be programmed directly into Woodward production hardware in a single build step.

MotoHawk provides an advanced programming environment for users with control system expertise

but not necessarily specific embedded programming skills.

Once an application has been generated and loaded into the PCM112 controller via the CAN port, the

users can view variables and tune the controller using appropriate service interface tools such as Woodward's ToolKit or MotoTune.

Connections to other devices (such as diagnostic tools) are accomplished through other CAN ports available on the controller.

The required information flow is programmed into the controller via MotoTune or ToolKit.

The PCM112 controller consists of a rigid printed circuit board that is attached to an aluminum enclosure

using thermally conductive adhesive and then closed and sealed with an aluminum cover.

Connections to the controller are made via three automotive style sealed connectors.

The controller can be mounted directly to the engine or frame using vibration isolators.

The 8923-2241 includes the 1751-6685 module and mounting kit.

Control Functions

.2 engine speed inputs: camshaft and crankshaft speed 

.2 frequency inputs

.23 analog inputs

.1 emergency stop input

.5 switch inputs

.2 HEGO sensor inputs

.2 LSU sensor inputs (also known as UEGO sensors)

.2 burst sensor inputs

.3 sensor power outputs, 2 providing +5 V (100 mA), 1 providing +5 V (50 mA)

.8 saturation injector drivers

.4 ignition coil drivers

.2 H-bridge driver outputs providing 10 A drive capability and current sense feedback

.MPRD (Main Power Relay Driver) low-side outputs

.TACH low side output

.15 low side output drivers

.3 analog instrumentation drivers

.3 CAN communication ports

.1 RS-485 communication port

. 4 KB serial EEPROM for adjustable parameter storage .

. Auxiliary miniature with 128k Flash, 8k RAM, 4k EEPROM.