Spectrum-controls 2080sc-BAC Manuel d'utilisateur télécharger pdf (Page 39)

Chapter 3: Configuring the Module 3-21

User’s Manual Pub. 0300274-01 Rev. A.0

 DWORD 0 to 429467295

 LINT -1e18 to 1e18

 ULINT 0 to 1e18

 LWORD 0 to 1e18

 REAL -1e18 to 1e18

 LREAL -1e18 to 1e18

3.5.5 Tools

Spectrum Controls, Inc. provides multiple Windows command-line executables

you may use to communicate with the module. These utilities are compiled from

an open source BACnet stack. The tools require an Ethernet-to-BACnet router.

This gives you the ability to send BACnet messages across the BACnet RS-484

network for easier troubleshooting. You can find the source code on sourceforge

at http://sourceforge.net/projects/bacnet/files/bacnet-stack/

Setup

To access the BACnet/IP traffic, set the module IP address using a network

address that on the same network as the PC IP address.

To access the MS/TP connection on the module, set the baud rate and other

parameters using the User Interface. Then connect a BACnet router to your setup.

The router converts BACnet/IP packets to MS/TP packets that are then routed to

the module. Set the router IP address using a network address that is also on the

host network.

WhoIs

The executable, bacwi.exe, looks for who is on the BACnet network. Example:

“bacwi -1” will find all the nodes on the BACnet network.

ReadProperty

This executable, bacrp.exe, will read the property of the module.

Examples. To read AI 1 present value, do this – bacrp 200121 0 1 85

 {param 1} – 200121. This is a module instance number.

 {param 2} – 0. This is the object type. Object type is defined as: BI(3),

BO(4), AI(0), AO(1).

 {param 3} – 1. This is the object instance.

 {param 4} – 85. This is the property. Example: present value(85), object

name(77).

WriteProperty

This executablebacwp.exe will write the property of the module.

LINT and ULINT cannot have the same upper range.

LREAL has twice as many bits to work with than REAL

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Spectrum-controls 2080sc-BAC Manuel d'utilisateur Page 39