Instructional Booklet
Page 18 Effective: March 2021
Operation and Maintenance Manual,
Automatic Transfer Switch Controller, ATC-900
For more information visit: www.eaton.com IB140012EN
4.5 .2 Downloading Statistics and Event logs via USB
Downloading statistics and event capture data provides the user
the ability to more thoroughly analyze high speed capture data
using a PC, or data can be emailed to Eaton's Technical Support
Team when off site troubleshooting support is required. Section
7.1 shows the instructions for downloading event capture data.
4.6 Communications
ATC-900 is a Monitoring Protection and Control Communications
compatible device. As such, it can be remotely monitored, con-
trolled, and programmed. The ATC-900 is equipped with a Mod-
bus RTU (RS-485 physical layer) communications port as
standard. This permits it to have the communications option sup-
plied from the factory. A COTS (Commercial Off The Shelf) Ether-
net to Modbus can also be used. There are several options to
increase security of the Modbus port.
• The Modbus port can be completely deactivated by setting the
Modbus Configuration setpoint to "disabled".
• Writes to statistical resets, control functionality, and setpoint
configuration can be restricted by setting the Modbus Writes
setpoint to "disabled". Note that setting the date/time via Mod-
bus is not affected by the Modbus Writes setting.
• Setting the date/time through Modbus can be restricted by set-
ting the Time Sync setpoint to any option except "via Modbus".
4.6 .1 Power Distribution Software
The ATC-900 is also compatible with Eaton’s Power Xpert Gate-
way for web-based monitoring, via Modbus TCP/IP, SNMP, or
BACnetT/IP Protocols. The Power Xpert Gateway can be used to
consolidate data from many devices, including communications
ready transfer switch controllers, trip units, and meters, as well as
other Eaton devices. Certain Versions of the Power Xpert Gate-
way include email event notification and data-logging functional-
ity. Additional features include:
• System/device alarm logging and reporting;
• Time/event historical data logging;
• Data trending;
• Information storage/retrieval by device event;
• Hardware diagnostics;
• Dedicated computer not required;
• Security password protection; and
• Gateway interface for connectivity to other information net-
works.
Section 5 : Setpoint Programming and I/O
Programming Using the Color Display
5.1 Introduction
The ATC-900 is fully programmable from the device’s faceplate or
through the communications port. Users can reprogram setpoints
as well as other parameters. Up to four optional I/O modules, each
having four in and four out programmable I/Os can be used with
the ATC-900. That is a total of 20 Input and Outputs that can be
user programmed. Some inputs will require controller setpoints to
be set to a certain configuration. See Section 5.6 for some rules
and more information.
5.2 ATC-900 Set Switch type (Style) Functionality
Switches from the factory using the ATC-900 will be programmed
according to the switch type, ie. contactor, breaker, etc. This fea-
ture, using individual controllers (not in a switch,) allows the set-
ting of the Style/Switch Type through the front panel or the USB
Load Setpoint function within certain parameters:
• From the front panel the Switch Type can be changed to any
type, including unprogrammed, but the open/closed transition
style cannot be changed.
• From the USB port the Switch Type change has the same
restriction of not changing open/closed transition style, but has
the added restriction that the controller must be set to the
"Unpgrogrammed" type prior to loading setpoints with the new
Switch Type. This protects against accidentally loading a set-
point file with an incorrect switch type to a controller that is
already programmed.
• Table 6 shows all possible Styles at this time, including the new
"Unpgrogrammed" types.
Table 6. ATC-900 Style/Switch Type Selections
The style 0 or style 1 is the default on initial power-up of a con-
troller not in a switch.
When the Style/Switch Type is Unprogrammed the controller goes
into Monitor Mode. To inform the user of this the main screen dis-
plays a warning as shown in Figure 7d. All buttons will work nor-
mally but the user will not be able to view the main screen's
source and load voltages until a Switch Style is configured. It is
possible that the top banner will display a higher-priority message,
such as Lockout, (See Section 5.2.1 to program using Password
0900).
PART# STYLE SWITCH TYPE TRANSITIONS
8160A90G01 0 Unprogrammed Open Style
8160A90G64 1 Unprogrammed Closed Style
2 2-Position Contactor In-Phase/Open
7 Breakers with Motor Operator Open/Delayed
10 Power Breakers In-Phase/Open/Delayed
11 Power Breakers Closed/In-Phase/Open/Delayed
14 3-Position Contactor In-Phase/Open/Delayed
15 3-Position Contactor Closed/In-Phase/Open/Delayed
16 Medium Voltage Switch In-Phase/Open/Delayed
17 Medium Voltage Switch Closed/In-Phase/Open/Delayed
18 Medium Voltage Breaker In-Phase/Open/Delayed
19 Medium Voltage Breaker Closed/In-Phase/Open/Delayed
20 3000 Amp Contactor In-Phase/Open/Delayed
21 3000 Amp Contactor Closed/In-Phase/Open/Delayed
To Next Page
Loading...
