maxPAC Hardware Reference Guide
Metso Automation MAX Controls Inc. • 277596 •
Module Specifications......................................................................................................................................... 10-3
Field Wiring – IOP 351....................................................................................................................................... 10-5
Wiring – IOP350................................................................................................................................................. 10-6
Field Wiring For Redundant Modules with Common End Element.................................................................... 10-7
CHAPTER 11..................................................................................................................11-1
Bus Extender Unit Module IOP371........................................................................................................................ 11-1
Overview................................................................................................................................................................. 11-1
BEM Front Panel ............................................................................................................................................ 11-2
LED Indication.................................................................................................................................................... 11-2
Link Test............................................................................................................................................................. 11-2
Bus Address ........................................................................................................................................................ 11-2
Jumper Configuration.......................................................................................................................................... 11-2
DPU Compatibility.......................................................................................................................................... 11-4
I/O Bus Loading.............................................................................................................................................. 11-4
BEM Operation................................................................................................................................................... 11-5
Optical Cabling ............................................................................................................................................... 11-7
Model 564 and maxPAC I/O Compatibility.................................................................................................... 11-7
Termination Requirements.............................................................................................................................. 11-7
Redundant Configuration Approaches ................................................................................................................ 11-7
Four Configuration Approaches...................................................................................................................... 11-7
Configuring Remote I/O only.......................................................................................................................... 11-8
Configuring Local Common I/O ..................................................................................................................... 11-8
Configuring Mixed Common and Redundant I/O ........................................................................................... 11-8
Single DPU Configurations............................................................................................................................. 11-9
BEM Configuration Considerations.................................................................................................................. 11-11
Calculating Link Capacities .......................................................................................................................... 11-11
Ensuring Link Availability................................................................................................................................ 11-12
Detecting Failover Conditions....................................................................................................................... 11-13
Cabling Recommendations............................................................................................................................ 11-13
Specifications.................................................................................................................................................... 11-13