Tripp Lite SU50K3/3INTPM, SU80K3/3PM, SU80K3/3INTPM RS-485 Ports, UPS Parallel Communication Ports

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Communications (continued)

RS-485 Ports

These ports connect multiple UPS power modules in a parallel connection.

RS-485 Port

TX485+

TX485-

RX485+

RX485-

TERMINAL RESISTOR FOR RS-485

RS-485 Port

Normally Closed

When using RS-485 for more than two units, SWQ1 must be "ON" in at least one

and "OFF" in the other.

PIN1: RS-485 Transmit+

PIN2: RS-485 Transmit-

PIN3: RS-485 Receive+

PIN4: RS-485 Receive-

UPS Parallel Communication Ports

These ports allow multiple UPS power modules to communicate while in a parallel configuration.

Sync Bus

BP ON

PUPS

Data

Reserve

MBs_ON

UPS Parallel Communication Port

PARALLEL

UPS Parallel Communication Port

PARALLEL

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Contents SmartOnline Phase 50kVA & Above UPS Connection Warnings Battery WarningsUPS Location Warnings Equipment Connection WarningsRegulatory Compliance Identification Numbers LCD Display Breakers, Switches & FusesButtons LED PanelInstallation Checklist Communication InterfaceConnection Checklist Floor Weight Loading TableTorque Specifications Are removed Normal Mode Single UPS Operation Turn off open the Reserve Input Breaker Multiple UPS Operation Parallel Multiple UPS Operation Parallel Multiple UPS Operation Parallel Start-Up Procedure Shutdown Procedure Main Menu Parameter Setting Sub-Menu System Control Sub-Menu Event Log Sub-MenuOther Information Sub-Menu Dry-Contacts Remote Emergency Power Off EPO RS-232 Port/Ethernet Port/SNMP Card Slot Ethernet PowerGenerator Contact RS-485 Ports UPS Parallel Communication PortsLimited Warranty 200503068