Yaskawa E7L Drive Bypass - Manual (Page 33)

Electrical Installation 2 - 1
Chapter 2
Electrical Installation
This chapter describes wiring and the electrical installation process for a Drive and
Bypass unit.
Termination Configuration - Power Wiring ..................................... 2
Field Wiring, Pressure Wire Connector, Wire Type, Range
and Tightnening Torque Specifications ..................................... 3
Cable Length between Drive and Motor .................................... 4
Grounding ................................................................................. 5
Wire Routing ............................................................................. 6
E7 Drive Main Circuit Configurations 208-240 VAC .................. 7
E7 Drive Main Circuit Configurations 480 VAC ......................... 7
Control Wiring ................................................................................ 8
Bypass Field Control Wire Landing ........................................... 8
Annunciation Contacts .............................................................. 9
Building Automation System Run/Stop Circuit: ....................... 10
Safety Interlock Circuit: ........................................................... 10
Building Automation System Interlock Circuit
(Drive and Bypass enable input): ............................................ 10
Analog Inputs .......................................................................... 11
Analog Outputs ........................................................................ 13
Serial Communications ............................................................ 14
Remote Transfer to Bypass...................................................... 16
Smoke Purge Operation........................................................... 16
Multi-Function Digital Inputs..................................................... 16
DIP Switch Programmable Functions Summary ...................... 17
Bypass Controller PCB ........................................................... 18
Wiring Checks ......................................................................... 19
Control Circuit Wiring Precautions .......................................... 19
Bypass Control Circuit Terminal Functions ............................. 20
Wiring Diagram ............................................................................ 23
Electrical Overview ....................................................................... 25