McQuay MicroTech II N2 - Table of Contents

2 IM 730-0
Contents
GENERAL INFORMATION ............................................................................................................ 4
DESCRIPTION ..................................................................................................................................... 4
APPLICATION ..................................................................................................................................... 5
COMPONENT DATA ............................................................................................................................ 5
N2 Network Connection ................................................................................................................ 5
Address Switch .............................................................................................................................. 6
Dip switch settings and how they work .................................................................................................... 6
12-Pin Header............................................................................................................................... 6
INTEGRATION.................................................................................................................................. 7
CONFIGURING THE UNIT CONTROLLER .............................................................................................. 7
NETWORK CONNECTION .................................................................................................................... 7
N2 Open Addressing ..................................................................................................................... 7
N2 Bus Information....................................................................................................................... 7
Selecting the Right Cable.............................................................................................................. 7
N2 Bus Rules ................................................................................................................................. 8
Number of Devices........................................................................................................................ 8
Line Length and Type.................................................................................................................... 8
INSTALLATION................................................................................................................................ 9
To mount a new MicroTech II N2 communication module onto the Unit Controller board,
follow these steps: ......................................................................................................................... 9
To replace a MicroTech II N2 communication module on a MicroTech II Unit Controller board,
follow these steps: ....................................................................................................................... 10
SERVICE INFORMATION ............................................................................................................ 12
TEST PROCEDURES........................................................................................................................... 12
LIST OF REPLACEABLE PARTS.......................................................................................................... 12
Network Connection Plug ........................................................................................................... 12
Generic Replacement Parts ..................................................................................................................... 12
Direct Replacement Parts........................................................................................................................ 12
Kit................................................................................................................................................ 12
Figures
FIGURE 1: N2 COMMUNICATION MODULE.............................................................................................. 5
FIGURE 2. MICROTECH II N2 COMMUNICATION MODULE MAJOR COMPONENTS.................................... 5
FIGURE 3. ADDRESS SWITCH (S1) .......................................................................................................... 6
FIGURE 4. DIP SWITCH VALUES (WHEN CLOSED).................................................................................... 6
FIGURE 5. ADDRESS SWITCH (S1) SET TO EXAMPLE............................................................................... 6
FIGURE 6. N2 BUS RULES...................................................................................................................... 8
FIGURE 7. COMMUNICATION MODULE MOUNTED ON THE UNIT CONTROLLER BOARD ......................... 10
FIGURE 8. COMMUNICATION MODULE MOUNTING DETAIL ................................................................... 11
FIGURE 9. N2 MODULE TYPICAL WIRING.............................................................................................. 11