Yaskawa Z1000U HVAC Matrix Bypass - Manual (Page 43)

D.11 Communication Errors .....................................................................................................413
MEMOBUS/Modbus Error Codes.................................................................................................... 413
Slave Not Responding..................................................................................................................... 413
E. APOGEE FLN NETWORK PROTOCOL.............................................................. 415
E.1 APOGEE FLN Set-Up.........................................................................................................416
Bypass Parameter Settings for APOGEE FLN Communications.................................................... 416
E.2 Connecting to a Network ..................................................................................................417
Network Cable Connection.............................................................................................................. 417
Wiring Diagram for Multiple Connections ........................................................................................ 418
Network Termination ....................................................................................................................... 418
Recommended Cable...................................................................................................................... 418
E.3 Slope and Intercept Conversion ......................................................................................419
Drive Controlled Feedback.............................................................................................................. 419
Field Panel Controlled Feedback .................................................................................................... 419
Other Functionality .......................................................................................................................... 420
E.4 APOGEE FLN Point List Summary ..................................................................................421
E.5 Cable Loss Configuration and Behavior.........................................................................425
Drive Behavior at Loss of Communication ...................................................................................... 425
Apogee FLN Points ......................................................................................................................... 425
E.6 Mailbox Function...............................................................................................................427
Mailbox Function Points .................................................................................................................. 427
E.7 Fault Codes........................................................................................................................428
Communications Fault..................................................................................................................... 428
Bypass Faults–Apogee FLN Configuration ..................................................................................... 428
F. METASYS N2 NETWORK PROTOCOL .............................................................. 431
F.1 N2 Specifications and Configuration...............................................................................432
F.2 Connecting to a Network ..................................................................................................433
Network Cable Connection.............................................................................................................. 433
Wiring Diagram for Multiple Connections ........................................................................................ 434
Network Termination ....................................................................................................................... 434
F.3 N2 Setup Parameters ........................................................................................................435
N2 Serial Communication................................................................................................................ 435
F.4 Bypass Operations by N2.................................................................................................437
Observing the Bypass Operation .................................................................................................... 437
Controlling the Bypass .................................................................................................................... 437
F.5 Communications Timing...................................................................................................441
Command Messages from Master to Bypass ................................................................................. 441
Response Messages from Bypass to Master.................................................................................. 441
F.6 Metasys N2 Point Database..............................................................................................442
Metasys N2 Analog Input (AI) Summary ......................................................................................... 442
Metasys N2 Analog Output (AO) Summary .................................................................................... 443
Metasys N2 Binary Input (BI) Summary .......................................................................................... 443
Metasys N2 Binary Output (BO) Summary ..................................................................................... 444
F.7 Mailbox Function...............................................................................................................445
Reading Drive Parameters .............................................................................................................. 445
Writing Drive Parameters ................................................................................................................ 445
Table of Contents
YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual 43