Allen-Bradley DF1 Instructions de montage

MUCM DF1 Application Manual

MUCM DF1

Installation and Programming Manual

This Manual describes the MUCM application for interfacing Allen-Bradley DF1 devices to a master of another

protocol.

Effective: 04 September 2002

Niobrara Research & Development Corporation

P.O. Box 3418 Joplin, MO 64803 USA

Telephone: (800) 235-6723 or (417) 624-8918

Facsimile: (417) 624-8920

www.niobrara.com

Modicon, TSX Momentum Automation, Modbus, Modbus Plus are registered trademarks of Schneider

Automation.

Helm Loadgard Serial Interface is a trademark of Helm Instrument Company, Inc.

Allen-Bradley, A-B, DF1, and Data Highway are trademarks of Allen-Bradley Company.

Subject to change without notice.

Contents

1 Introduction .........................................................................................................................5

2 Installation.............................................................................................................................7

Module Installation.........................................................................................................7

Software Installation.......................................................................................................7

Serial Connections to the MUCM ..................................................................................7

Port 1 to Master .......................................................................................................7

Port 2 to the Personal Computer .............................................................................9

Loading the Applications into the MUCM.....................................................................9

DF1 to MUCM Port 2 ..................................................................................................10

3 Master Protocol to DF1 Bridge............................................................................11

Configure the MUCM ..................................................................................................11

DF1 Configuration ................................................................................................12

4 Examples...............................................................................................................................13

Example 1.....................................................................................................................13

Example 2.....................................................................................................................15

Example 3.....................................................................................................................16

Example 4.....................................................................................................................16

5 Troubleshooting ..............................................................................................................19

Module Lights ..............................................................................................................19

User Lights ...................................................................................................................19

Figures

Figure 2-1 MUCM to RS-232 DTE Port (9-pin) (MU2 Cable) ....................................................8

Figure 2-2 RS-485 SY/MAX Port (9-pin) (MU7 Cable) ..............................................................8

Figure 2-3 MUCM Layout .............................................................................................................9

Figure 2-4 MUCM to RS-232 PC DCE Port (9-pin) (MU1 Cable) .............................................9

Figure 2-5 MUCM RS-422 to DF1/Data Highway Convertor RS-422 .......................................10

Figure 4-1 Modbus Plus Example ................................................................................................14

Figure 4-2 Modbus TCP Example................................................................................................15

Figure 4-3 MUCM RS-422 to Helm Loadgard Serial Interface...................................................16

Figure 4-4 RNIM Example...........................................................................................................17

Tables

Table 4-1 Server Index Table For EPE5-TCP..............................................................................15

Table 5-1 Module Lights ..............................................................................................................19

Table 5-2 User Light Definitions .................................................................................................19

MUCM DF1 Application Manual 1Introduction 5

Introduction

The Niobrara MUCM is a TSX Momentum® compatible module that is capable of

running multiple applications for performing communication translations between se-

rial protocols. This document covers an application that allows masters of various

protocols to communicate with DF1 devices. This setup allows the master to be

placed onto an existing Data Highway network via a DF1 to Data Highway bridge.

One application is required to be loaded into the MUCM: app1.qcm contains the DF1

and other serial drivers, and the configuration software. This application must be run-

ning for the system to properly perform.

Port 1 of the MUCM is to be connected to the master to provide the interface to the

DF1 device. Port 2 is the DF1 port, and can be connected point to point with the DF1

device or, optionally, could be connected to a daisy chain of DF1 half duplex devices

using RS-232 to RS-485 convertors. The MUCM supports many DF1 devices includ-

ing Helm Instrument Company’s Loadgard Serial Interface. These devices are ac-

cessed via the master protocol by selecting the node ID assigned to each slave (0-254).

Port 1 is also the configuration port. When Application 2’s RUN/HALT switch is

switched to the memory protect mode, it interfaces to an ASCII terminal to provide

the user with a simple way to reconfigure the two serial ports.

The MUCM may be mounted on a DIN rail, or directly to a wall via mounting holes.

6Introduction 1MUCM DF1 Application Manual

MUCM DF1 Application Manual 2Installation 7

Installation

Module Installation

1 Mount the MUCM in an appropriate location on a DIN rail or in a cabinet.

Software Installation

The application files for the MUCM are included in the DF1.ZIP file. This file must

be unzipped using an application like PKUNZIP.EXE. A copy of PKUNZIP is in-

cluded on the standard NR&D software disk and is also available at

www.niobrara.com. The latest version of the DF1.ZIP file is located at

ftp.niobrara.com/mucm/DF1/DF1.zip

The latest version of this document in pdf format is located at:

ftp.niobrara.com/mucm/DF1/DF1.pdf

The DF1 communications protocol is available from Allen-Bradley at:

www.ab.com/manuals/cn/17706516.pdf

Serial Connections to the MUCM

Port 1 to Master

If connecting to a Modicon PLC, the Niobrara cable MU2 is ideal for this connection

since it includes a screw terminal RS-232 connection for the MUCM and a 9-pin male

RS-232 Modicon-style pinout for the PLC. This cable pinout is described in Figure

2-1.

8Installation 2MUCM DF1 Application Manual

Figure 2-1 MUCM to RS-232 DTE Port (9-pin) (MU2 Cable)

For an RS-485 connection to SY/MAX devices, Port 1 of the MUCM will be set to be

RS-485. The Niobrara cable MU7 is ideal for this connection since it includes an

RJ45 RS-485 connection for the MUCM and a 9-pin male RS-485 SY/MAX-style

pinout at the other end. This cable pinout is described in Figure 2-2.

Figure 2-2 RS-485 SY/MAX Port (9-pin) (MU7 Cable)

The master must be configured to match the serial settings of the MUCM Port 1. The

supported baud rates by both units are 1200, 2400, 9600, and 19200. 19200 baud is

the default.

Screw Terminal DE9P (male)

5 Cable Shield 9

MUCM DF1 Application Manual 2Installation 9

Figure 2-3 MUCM Layout

Port 2 to the Personal Computer

A physical connection must be made from the personal computer to the MUCM in or-

der to download the applications. This link may be a serial connection from a COM

port on the personal computer to the RS-232 port on the MUCM. The Niobrara MU1

cable may be used for this connection. This cable is shown in Figure 2-4.

Figure 2-4 MUCM to RS-232 PC DCE Port (9-pin) (MU1 Cable)

Loading the Applications into the MUCM

The MUCM is rapidly evolving so be sure to upgrade the firmware in the module be-

fore loading the latest version of APP1.QCC. Most likely the QCOMPILE.EXE has

been updated so be sure to use the newest version. Firmware upload is as follows:

1 Move the RUN/LOAD switch on the module to LOAD.

2 Only the Pwr light should be on.

3 Connect the PC to MUCM Port 1 with an MU1 cable.

4 From the command line enter

> fwload mucm.fwl com1:

MUCM

MU1 Cable

MU2 Cable

Quantum

1 3 Rx1 Tx1 Rn1 Pwr

2 4 Rx2 Tx2 Rn2 Ready

TSX Momentum

Universal Communications

170 UCM 200 00

Niobrara R&D Corporation 9-30 VDC or AC

Tx Rx GND RTS CTS Tx+ Tx- Rx+ Rx- GND Run/Load

RS-232 RS-485

RJ45 DE9S (female)

10 Installation 2MUCM DF1 Application Manual

Be sure to have the colon after the PC’s com port name. The download will only

take a few minutes and will inform when finished.

5 Change the switch back to RUN.

6 It is a good idea to press the RESET button after a firmware change.

Next, load APP1.QCC into the MUCM by the following method:

1 Move Switch 1 to Halt.

2 Connect the PC to MUCM Port 1 with an MU1 cable.

3 Load the QRPC file with qload.

> qload 1 app1 com1:9600,e,8,1 -a

Will load the file into application 1’s flash and set the program to automatically

start on power-up.

4 Place Switch 1 in RUN. The RN1 light should come on.

5 Place Switch 2 in the HALT position until ready to configure the MUCM.

DF1 to MUCM Port 2

After the software has been installed into the MUCM, Port 2 becomes the DF1 port.

The connection for the MUCM to the Allen-Bradley DF1 to Data Highway convertor

should be accomplished with the Niobrara SC902-ST if the convertor’s port is set to

RS-232(Refer to Figure 2-3). If the convertor’s port is set to RS-422, the diagram for

that cable is located in figure 2-5.

Figure 2-5 MUCM RS-422 to DF1/Data Highway Convertor RS-422

Screw Terminal DE9S (female)

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