1
Remote Annunciator
Controller (RAC)
Instruction Sheet for
ATC-900 Controllers
Revision: 006
IB140010EN
Overview
1.0
The 7” RAC is a color touch-screen display with easy-to-use functions that provide a
powerful interface with up to 8 Automatic Transfer Switches equipped with the ATC-
900 controller. It supports serial RS-485 Modbus RTU and Modbus TCP/IP natively.
When using Ethernet to connect to an ATC-900, a serial-to-Ethernet Modbus gateway
is required such as the PXG-900 or the ELC-CAENET.
The 7” RAC Kit contains the following:
HMIVU07CUNBE (7” Color HMI Display)
IL04801003E (HMI Instruction Leaflet)
IB01602080E (Ethernet Setup Document)
ELC-PS01 or 02 (Optional 24VDC power supply)
IB140010EN (This Instruction Sheet)
66A8395, E, or EM (HMI Wiring Diagram)
66A8448H02 (HMI Interconnect Module – serial connections only)
Summary of Contents for HMIVU07CUNBE
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