2–6

Orientation to Inverter Features

DIP Switch Introduction

The inverter has three (3) internal DIP switches, located to the right of the logic connectors as shown below. This section provides an introduction, and refers you to other chapters that discuss each DIP switch in depth.

Inverter Mounting

and Installation

 

 

SR 485 TM

SK

OPEPRG

SR

The SR/SK (Source/Sink) DIP switch configures the inverter’s intelligent

inputs for sinking or sourcing type circuit. Note that the installation and

 

SK

Powerup Test steps in this chapter do not require wiring the input terminals.

The SR/SK switch configuration is covered in detail in “Using Intelligent

Input Terminals” on page 4–9.

485The 485/OPE (RS-485/Operator) DIP switch configures the inverter’s RS- 485 serial port. You can use the inverter’s keypad (OPE-SRmini) either on the inverter, or connected via a cable to the serial port. For the keypad, either

position of the 485/OPE DIP switch will work. However, communication OPE with “smart” operator devices requires the proper setting. Using digital

operators (such as OPE–SR or OPE–0EX requires the “OPE” setting. Inverter control via a ModBus network communication requires the “485” setting. See “Connecting the Inverter to ModBus” on page B–3 for more details.

TM

The TM/PRG (Terminal/Program) DIP switch affects the inverter’s setting

 

 

 

for control sources. Parameter A001 sets the source selection for the

 

 

 

 

 

 

inverter’s output frequency (motor speed). Parameter A002 selects the Run

 

 

 

command source (for FW and RV). These independently select among

 

 

 

 

 

 

sources such as input terminals, inverter keypad keys and potentiometer,

 

 

 

PRG

internal register settings, ModBus network, etc.

 

 

 

 

 

 

When the TM/PRG switch is set to PRG, parameter settings A001 and A002

 

 

 

are in effect. However, when the switch is in the TM (terminal) position, the

 

 

 

inverter uses the analog input terminals for the motor speed setting, and uses

 

 

 

the [FW] and/or [REV] terminals for the Run command. More information

 

 

 

is in “Control Source Settings” on page 3–9.