Newtons4th CAN-port Manual de usuario

CAN-port

CAN to RS232 Converter

User Manual

Version 1.0

Table of Contents

Table of Contents .................................................................................................. 2

About .................................................................................................................. 3

Introduction ......................................................................................................... 3

Technical Specification ........................................................................................... 4

Serial Connection (RS232) .................................................................................. 4

Serial Connection (CAN)...................................................................................... 4

Quick Start........................................................................................................... 5

Loading firmware into the CAN-port .................................................................... 5

Manual Setup of the CAN-port............................................................................ 5

Using PPA Datalogger to set up the CAN-port ....................................................... 5

Connecting to PPA Datalogger.............................................................................. 6

Adjusting the CAN-port’s settings using PPA Datalogger ........................................ 8

Setting up Multilogs for the CAN-port in PPA Datalogger ...................................... 11

Saving and Loading PCAN Setup Settings in PPA Datalogger .................................. 14

Finalising the setup with PPA Datalogger ............................................................. 16

Communications Usage........................................................................................ 17

Sending Commands to the CAN-port unit........................................................... 17

Direct Commands............................................................................................. 17

Requesting Multilog Data................................................................................... 18

Command List..................................................................................................... 19

BAUD ............................................................................................................. 20

BAUD? ............................................................................................................ 21

BITR............................................................................................................... 22

BITR? ............................................................................................................. 23

ID .................................................................................................................. 24

ID?................................................................................................................. 25

IDN? / *IDN?................................................................................................... 26

MLCOUNT........................................................................................................ 27

MLCOUNT? ...................................................................................................... 28

MLNOOLD ....................................................................................................... 29

MLNOOLD? ...................................................................................................... 30

MLREP ............................................................................................................ 31

MLREP?........................................................................................................... 32

MLREPLY ......................................................................................................... 33

MLREPLY? ....................................................................................................... 34

MLSTART ........................................................................................................ 35

MLSTOP .......................................................................................................... 36

MS ................................................................................................................. 37

MS?................................................................................................................ 38

MULTILOG....................................................................................................... 39

POWLOAD ....................................................................................................... 40

POWLOAD?...................................................................................................... 41

POWML ........................................................................................................... 42

POWML? ......................................................................................................... 43

POWSTAT........................................................................................................ 44

POWSTAT? ...................................................................................................... 45

POWSET ......................................................................................................... 46

POWSET? ........................................................................................................ 47

PROG.............................................................................................................. 48

PROG? ............................................................................................................ 49

REPLY............................................................................................................. 50

REPLY? ........................................................................................................... 51

STATUS?......................................................................................................... 52

About

This user manual was written for CAN-port firmware version 1.0.0 and

describes the general features, usage, specifications of the CAN-port unit,

including detailed descriptions of the communications commands used by the

unit.

Introduction

The CAN-port unit is designed as an interface between a CAN network and a

Newtons4th PPA series Power Analyzer. The unit receives commands from the

CAN network or via serial (RS232) and then processes these commands and

controls and instructs the PPA; responses from the PPA are reformatted and split

into multiple messages and placed onto the CAN network. The CAN-port unit

can be used to control the PPA remotely by using CAN messages to send

instructions to the PPA, additionally the CAN-port unit can be instructed to send

commands as soon as it is powered on that automatically sets the PPA up for

logging.

Technical Specification

Microcontroller

NXP LPC2194/01

Memory

32kByte EEPROM Atmel AT24C32B (via I2C)

CAN

High-Seed CAN ISO 11898-2

Transceiver NXP TJA1040T

Bit rates 40kbit/s –1Mbit/s

No termination

RS232

RxD and TxD serial connections with DTC and CTS

shorted

Status Indication

Duo LED

Supply Voltage

8-30V DC

Current Consumption

Max 70mA at 12V

Operating

Temperature

-40 to +85 °C (-40 to +185 °F)

Relative Humidity

15-90%, not condensing

Size

130 x 82 x 44 (W x D x H)

Weight

150g

EMC

EN 61326-1:2013-07

EC Directive 2004/108/EG

Ingress Protection

(IEC 60529)

IP20

Serial Connection (RS232)

The RS232 port on the CAN-port uses 9-pin male ‘D’ type with the following

pins.

Function

Not used

RX data

TX data

Not used

GND

Not used

RTS

CTS

Not used

Serial Connection (CAN)

The CAN port on the CAN-port uses 9-pin male ‘D’ type with the following pins.

Function

Not used

CAN L

GND

Not used

GND

CAN H

Not used

Quick Start

This section of the manual describes how to setup and begin using the CAN-

port unit and PPA in a CAN network.

Loading firmware into the CAN-port

To load new firmware into the CAN-port unit, ensure it is powered off. Connect

the CAN terminal to a PC using a CAN converter. To place the CAN-port unit

into Boot Mode, hold the boot switch on and then power on the unit. The light on

the CAN-port unit should be flashing orange, indicating it has successfully

entered boot mode.

Once in boot mode, load up PCAN-Flash and navigate to Application->Option.

Set the Hardware Profile to PCAN-RS-232, and then select the Filename’s browse

button, and navigate to the firmware’s .bin file, and select it. Leave all other

settings as default and press “OK”.

Next navigate to PCAN->Connect and select the CAN-port device which should

appear in a list in the connect window and press OK.

Finally, Navigate to Module->Detect to have PCAN-Flash detect the CAN-port’s

firmware, select Module 15 which will appear in the main window of PCAN-Flash

and then select Module->Programme.

The status bar at the bottom shows the progress of the firmware install and will

announce when the firmware upload has finished. Close the program and power

cycle the CAN-port unit and it will now use the new firmware

Manual Setup of the CAN-port

The CAN-port unit can be set up manually by sending commands to the CAN-

port unit via a serial connection. Ensure the CAN-port unit is powered on; the

status light should be blinking green. Once the CAN-port unit is on, connect an

RS232 cable to the serial port and connect it to your PC. Open Newton4th

CommView2 program and connect to the COM Port that is connected to the

CAN-port unit.

Once connected on CommView2 commands can be sent to the CAN-port unit by

typing them into the command bar at the bottom of the program and pressing

the Enter key. Any responses from the CAN-port unit will be displayed in

CommView2.

Using PPA Datalogger to set up the CAN-port

The easiest way to set up the CAN-port unit is to use Newtons4th’s PPA

Datalogger program to choose which settings the CAN-port unit should be set

up with when it powers on, and allow PPA Datalogger to send all the commands

to set up the unit

This is a simple one-time setup that can be performed once, and the CAN-port

will remember the settings each time it powers on and will attempt to set up the

connected PPA.

Connecting to PPA Datalogger

Ensure the CAN-port unit is powered on; the status light should be blinking

green. Once the CAN-port unit is on, connect an RS232 cable to the serial port

and connect it to your PC. Open the PPA Datalogger software and navigate to

the PCAN menu.

Press the Connect button to bring up the connection window where you will set

up your serial connection to the CAN-port unit.

Select serial, the correct com port and the correct baud rate (default: 19200).

Use the Test button to check if the software is able to form a connection and

communicate with the CAN-port unit; once the settings are correct press

Connect.

If the connection was a success you will see a message telling you that the

connection was successful and the details of the unit you connected to.

Adjusting the CAN-port’s settings using PPA Datalogger

The PPA Datalogger software now allows you to edit the settings that your CAN-

port unit will remember when it powers on. Some of these settings will help set

up the CAN-port and others tell the CAN-port to set up the PPA.

The Connection Settings allows you to set the CAN Bitrate and Serial Baudrate

The CAN Message Settings allow you to edit how the CAN-port unit interacts

with the rest of the CAN network.

CAN Read ID is the CAN message ID (in hex) that the CAN-port unit will accept

CAN messages from.

CAN Reply ID is the CAN message ID (in hex) that the CAN-port unit will send

its CAN messages to.

The Power On Settings allows you to configure what the CAN-port unit does

when it first powers on.

Send status when PCAN powers on? causes the CAN-port unit to send a status

message (the equivalent of the STATUS? command) over the CAN network as

soon as it powers on.

Load a PPA Program when PCAN powers on? allows you to send a command over

the serial connection to the PPA that gets it to load one of its stored programs,

allowing the CAN-port to send a command when it powers on to set up all the

PPA’s settings.

Set up Multilog information when PCAN powers on?allows the CAN-port to send

commands when it powers on to set up the PPA’s Multilog list, ready for logging

data.

Request Multilog data when PCAN powers on? causes the CAN-port to request

an initial set of data from the PPA as soon as the multilog information has been

set into the PPA upon power up. If the CAN-port is set to repeatedly request

data from the PPA, this will start the loop of data being requested.

The Multilog Settings allows you to configure how the CAN-port unit handles

multilogs, including which multilogs to set, and how to format them

Reply with old data if no new data is available? ensures the CAN-port unit sends

a reply when multilog data is requested, even if no new data is available. The

previous set of data is sent in case a new set of data is not available.

Send the first reply in a multilog response as the data count? causes the CAN-

port unit to send a counter as the first CAN message in a formatted set of

multilog responses; the counter increases each time new data is received from

the PPA.

Send multilog data over CAN… allows you to change where the multilog data will

be sent, per multilog value. You can either send all responses to the CAN Reply

ID, to custom IDs set per multilog value, or to incremental IDs per message,

starting at the CAN Reply ID.

When to request result from the PPA… determines when the CAN-port would

request multilog data for you. You can have multilog data return only when

requested, repeatedly at a set interval or repeatedly (on command) when told to

using the MLSTART/MLSTOP commands at a set interval.

Repeat Speed is the speed at which the CAN-port unit sends multilog data if its

available.

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