eDAQ Vehicle Network Communications Layer

Part Number:	ECOM
Product Type:	eDAQ Data Aquisition Layer
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Overview
Product Specifications
Product Options
Cables/Accessories

Overview

The SoMat eDAQ Vehicle Network Communications Layer (ECOM) offers (3) CAN device interfaces, (1) Vehicle Bus Module (VBM) interface and a GPS communications port. It is an extremely versatile layer providing a direct correlation between vehicle bus channels with physical data (analog, thermocouple and frequency) as well as GPS. Up to 254 vehicle bus channels can be recorded per input, allowing total eDAQ system channel counts to be virtually limitless. Unlike other data acquisition products, vehicle bus channels do not consume any analog inputs. In fact, all 254-channels are input directly through a single connector.

The ECOM can be used as a passive eavesdropper on the controller network, or when needed, it can become an active participant making requests for specific information. A simple ‘logical masking’ scheme is utilized to identify required frames in an easily managed textual database which identifies where a unique message lay within the frame. By using these methods, not only is it a very short learning curve to master its use, but it is easily manipulated using tools such as Microsoft Excel® where PGN’s (Parameter Group Numbers), PID’s (Parameter Identifiers) or even direct address information can be added or modified. The layer comes with many predefined databases such as J1939 and OBDII, so it as easy as ‘point and click’ to get standard information.

The GPS communications port is designed to work with SoMat GPS devices.

Product Specifications

Physical

Size: 9.2"W x 9.7"L x 1.3"H (23cmW x 25cmL x 3.3cmH)
Weight: 4.4lbs (2.0kg)
Temperature: -20° to 65° C
Connectors: (5) SoMat M8 Female Bulkhead Connector

Inputs

High Speed CAN

Number of Inputs: 3
Protocol: 2.0A, 2.0B
Selectable Baud Rates (bps): 1M, 500K, 400K, 250K, 125K, 100K, 50K and 41.6K
Selectable Transducer Power: 3V to 12V, 200mA
Channels: 254/Network

Vehicle Bus Module (VBM)

Number of Inputs: 1
Available VBM Modules: VBM-CAN, VBM-VPW, and VBM-J1708, VBM-KWP2000
Selectable Transducer Power: 3V to 12V, 200mA; set automatically for VBM modules
Channels: 254

GPS Port

Number of Inputs: 1
Port: Dedicated GPS communications port for SoMat GPS devices

Includes

(4) SoMat SAC-TRAN-MP-2 Transducer Cables (2 m)

Product Options

The SoMat eDAQ ECOM Layer is available as a stand alone layer or as a part of the eDAQ processor (ECPU-PLUS).

Part Number Code

The following number scheme is used to identify the layer configuration.

ECPU-PLUS-COM

eDAQ ECPU-PLUS Processor with integral ECOM Layer

ECOM

Stand alone eDAQ layer

Cables and Accessories

Accessories

CAN Vehicle Bus Module

The SoMat CAN Vehicle Bus Module (EVBM-CAN) conditions CAN vehicle network parameters to be synchronously measured by eDAQ and eDAQ-lite systems.

GPS Receiver (5 Hz)

The SoMat GPS Receiver (EGPS-5HZ) is a commercial WAAS enabled GPS receiver with a 5 Hz update rate.

J1708 Vehicle Bus Module

The SoMat J1708 Vehicle Bus Module (EVBM-J1708) conditions J1708 vehicle network parameters to be synchronously measured by eDAQ and eDAQ-lite systems.

J1850 VPW Vehicle Bus Module

The SoMat J1850 VPW Vehicle Bus Module (EVBM-VPW) conditions J1850 VPW vehicle network parameters to be synchronously measured by eDAQ and eDAQ-lite systems.

KWP2000 Vehicle Bus Module

The SoMat KWP2000 Vehicle Bus Module (EVBM-KWP2000) conditions ISO 9141 / KWP2000 vehicle network parameters to be synchronously measured by eDAQ and eDAQ-lite systems.