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74
VAPOR-LOGIC
®
VERSION 6 INSTALLATION AND OPERATION MANUAL
Modbus, BACnet, LonTalk interoperability
Vapor-logic comes standard with Modbus, or with BACnet or LonTalk if
ordered . Vapor-logic can connect to building automation systems using these
protocols . Variables are defined in the tables on the following pages .
Note: For retrofit BACnet or LonTalk installations, contact your local DriSteem
representative to purchase a BACnet or LonTalk upgrade .
CONNECTIONS
1 . If connecting to a Modbus or BACnet MS/TP system, connect Modbus or
BACnet system wiring to terminal P7 on the Vapor-logic board (positive to
positive, negative to negative) .
If connecting to a BACnet/IP system, connect BACnet system wiring to the
Ethernet connection .
2 . If connecting to a LonTalk system, connect the LON ProtoCessor module
per Step 3 in Figure 74-1 .
3 . Disconnect power to the Vapor-logic board, wait 5 seconds, and reconnect
power .
4 . Set up communication with Vapor-logic using your Modbus, BACnet, or
LonTalk network manager, referencing Table 75-1 .
INSTALLING LONTALK AS A RETROFIT
1 . Turn off power to the unit .
2 . Touch the unit’s bare metal frame before handling the LON ProtoCessor
module, and hold onto frame while handling the module .
3 . While handling the module, hold it by the edge . Avoid touching the
components or circuit board .
4 . Plug LON ProtoCessor module into mounting pins (as shown in Figure
74-1) with LonTalk connector at the edge of the board . Make sure all pins
are seated in the connector .
5 . Connect LonTalk system wires to LON ProtoCessor module as shown in
Step 3 at right .
6 . Turn on power to the unit .
7 . Using either the keypad/display or Web interface go to the
Communications section of the Setup menu to enable LonTalk
communication .
8 . Set up communication with Vapor-logic using your LonTalk network
manager, referencing Table 75-1 .
INSTALLING BACNET AS A RETROFIT
1 . Using the keypad/display or Web interface, go to the Setup menu, and
select Tank Setup, then Communication, then BACnet, and press Enter .
2 . Enter the code provided when you purchased the BACnet upgrade . The
activation code is matched to the unit’s serial number .
3 . Select the BACnet communication channel in the BACnet Setup menu .
4 . Cycle the power to activate BACnet .
1 . Remove LON ProtoCessor
module from box .
Vapor-logic board
Bottom of LON
ProtoCessor
module
2 . Insert LON ProtoCessor module into
pins on Vapor-logic board .
NOTE: Orient the LON ProtoCessor module as
shown, with wire connectors end at the side of
the Vapor-logic board .
Connect LonTalk
system wires to LON
ProtoCessor module here .
OPERATION
FIGURE 74-1: LON PROTOCESSOR
MODULE INSTALLATION
3 . Connect wiring from LonTalk system to
LON ProtoCessor module on
Vapor-logic board .