Emerson PACSystems RX3i Energy Pack User manual

QUICK START GUIDE
GFK-3000B
Sep 2019
PACSystemsTM RX3i
RACKLESS ENERGY PACK
(IC695ACC403)

Overview ii
Contents
1Overview..................................................................................... 2
2Hardware Installation.................................................................. 4
2.1 Mounting the Energy Pack on a DIN Rail ...............................................................4
2.2 Panel-Mounting the Energy Pack..........................................................................5
3Cable Connections ....................................................................... 6
3.1 Connect Input Power to Energy Pack....................................................................7
3.2 Connecting the Energy Pack to the Controller......................................................8
4Grounding ................................................................................... 9
5Initial Power-up......................................................................... 10
6LED and Status Indications......................................................... 11
6.1 LED Indications: Special Cases ............................................................................12
6.2 Energy Pack Status Bit Operation........................................................................12
7Replacing the CAP Pack Module................................................. 13
8Firmware Updates ..................................................................... 15
8.1 LED Indications for Firmware Updates ................................................................15
9Additional Information.............................................................. 16

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iii
Caution Notes as Used in this Publication
Caution notices are used where equipment might be damaged if care is
not taken.
Caution
Note: Notes merely call attention to information that is especially significant to understanding
and operating the equipment.
These instructions do not purport to cover all details or variations in equipment, nor to provide for
every possible contingency to be met during installation, operation, and maintenance. The
information is supplied for informational purposes only, and Emerson makes no warranty as to the
accuracy of the information included herein. Changes, modifications, and/or improvements to
equipment and specifications are made periodically and these changes may or may not be reflected
herein. It is understood that Emerson may make changes, modifications, or improvements to the
equipment referenced herein or to the document itself at any time. This document is intended for
trained personnel familiar with the Emerson products referenced herein.
Emerson may have patents or pending patent applications covering subject matter in this
document. The furnishing of this document does not provide any license whatsoever to any of these
patents.
Emerson provides the following document and the information included therein as-is and without
warranty of any kind, expressed or implied, including but not limited to any implied statutory
warranty of merchantability or fitness for particular purpose.

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Overview 2
1Overview
An Energy Pack is used in conjunction with a Controller to preserve user memory in
the Controller during power fluctuations or outages.
If system power is lost, the Energy Pack maintains power long enough for a
Controller to write its user memory contents to non-volatile memory. When system
power is restored, the user memory is restored if the Controller is configured to
power up from RAM.
Figure 1.1: Interconnect Wiring Diagram

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Overview 3
Ordering Information
IC695ACC403
Energy Pack. Includes base, CapPack module and
Energy Pack to Controller cable.
IC695ACC413
Replacement CapPack module.
IC695CBL003
Replacement 0.6m (24”) Energy Pack to
Controller cable.

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Hardware Installation 4
2Hardware Installation
The Energy Pack can be mounted on a standard EN50022 DIN rail or an equipment
panel. It is designed to be mounted adjacent to the Controller and connected to the
Controller using the provided cable (IC695CBL003).
Heat dissipation: When mounting the Energy Pack, allow a minimum clearance of
25.4mm (1 inch) on all four sides of the unit (right, left, top and the bottom).
2.1 Mounting the Energy Pack on a DIN Rail
The Energy Pack snaps easily onto the DIN rail. No tools are required.
1) Incline Energy Pack so that top edge of plastic recess (Figure 2.1) engages
top of DIN rail
2) Swivel the Energy Pack so that bottom spring-loaded plastic clip engages
bottom of DIN rail.
3) Listen for click as plastic clip springs back, securing the Energy Pack onto
the DIN rail.

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Hardware Installation 5
Figure 2.1: Snap Mount to DIN Rail
2.2 Panel-Mounting the Energy Pack
Recommended fasteners:
Four M4-0.7 machine screws with minimum length of 25mm (or 8-32, 1”
min. length) and nuts.
•Over tightening the mounting screws could crack the plastic housing.
Caution

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Cable Connections 6
3Cable Connections
Figure 3.1: Input Power and Output Power/Control Connections

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Cable Connections 7
3.1 Connect Input Power to Energy Pack
IMPORTANT
Before connecting input power, see complete installation instructions in the
PACSystems Controllers: Battery and Energy Pack Manual, GFK-2741E or later.
You will need:
•A 24Vdc, 72W SELV power supply
•A power cord with 18 AWG (0.82mm2) copper wires
•An 18 AWG (0.82mm2) copper wire for frame ground
•An input power terminal block –provided (Weidmuller part number
1748010000)
•A small flat-head screwdriver (such as a 1.4mm jeweler’s screwdriver)
1. Using the power cord, connect the power supply output to the Energy Pack’s
input power terminal block.
To insert the wires in the power terminal block connector, you may need to
use the small screwdriver to release the spring clamp on the terminal block.
Recommended wire stripping length is 7mm (0.28 in).

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Cable Connections 8
Figure 3.2: Energy Pack Input Power Mating Connector (bottom view)
2. Insert the plug into the Energy Pack’s Input Power connector and securely
tighten the attaching screws.
3.
3.2 Connecting the Energy Pack to the Controller
With power to the system turned off, use the supplied cable (IC695CBL003)
to connect the output of the Energy Pack (green connector) to the 24Vdc
input on the Controller (3-pin green connector) and to the serial
communication link (using the 5-pin green connector). Refer to Figure 4.1.

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Grounding 9
4Grounding
Proper grounding of this device is essential. All ground wires must be as short as
possible and terminated at the same grounding point.
Figure 4.1: Frame Ground Connection

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Initial Power-up 10
5Initial Power-up
When 24Vdc power is first applied to the Energy Pack, the power-up process goes
through the following steps:
1. The IN LED turns on green.
2. The Energy Pack performs a self-diagnostic test. If this test passes, output
power to the Controller is turned on and the OUT LED turns on green.
3. Charging of the CapPack begins and the STAT LED blinks green.
When charging of the CapPack is complete, the STAT LED turns on solid green
and the Energy Pack signals to the controller that it can start run-time
operation. The Controller will not start running its application until the Energy
Pack signals that it is fully charged.
Figure 5.1: LEDs on CAP Pack

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LED Status Indications 11
6LED and Status Indications
The LEDs on the Energy Pack indicate its status.
LED
LEDState
Energy Pack Status
IN
Green, solid
Input power is applied and within the specified range.
Red, solid
Input power is outside the specified range.
Off
Input power is not applied.
STAT
Green, blinking
CapPack Charging in progress. No faults.
Green, solid
CapPack is fully charged and no faults.
Amber,
blinking
CapPack is nearing end-of-life. The CapPack must be
replaced soon. Backup is still guaranteed.
Red, blinking
Internal fault: Cycle power to the Energy Pack. If this
does not clear the fault, contact Technical Support and
replace the Energy Pack.
Red, solid
CapPack has reached end-of-life. Replace the CapPack.
Backup is not guaranteed.
Off
No power applied.
OUT
Green, solid
Output power is within the specified range.
Red, solid
Output power is present but outside spec.
Off
Output power is not present.

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LED Status Indications 12
6.1 LED Indications: Special Cases
All LEDs blinking in unison: See Firmware Updates, page 15.
6.2 Energy Pack Status Bit Operation
As shown in the table below, a CPU application program can automatically monitor
the status of the attached Energy Pack via %S0014 (PLC_BAT) and %SA0011
(LOW_BAT). For more details, refer to the chapter on Diagnostics in PACSystems
RX7i and RX3i CPU Programmer’s Reference Manual, GFK-2950.
PLC_BAT
(%S0014)
LOW_BAT
(%SA0011)
Energy Pack Status
0
0
Energy Pack connected and operational (may
be charging)
1
1
Energy Pack not connected or has failed
0
1
Energy Pack is nearing its end-of-life and should
be replaced.

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Replacing CAP Pack Module 13
7Replacing the CAP Pack Module
The CAP Pack can be removed and replaced while power is applied to the Energy
Pack (hot swapped.)
•When hot swapping CapPacks, do not cycle power until the new CapPack is fully
charged and operational. Cycling power before the STAT LED on the CapPack is solid
green can result in Controller memory not being preserved.
Do not hot remove/insert the CapPack during the firmware update
process.
1. Loosen the four screws on the CapPack and carefully pull the CapPack
off the base.
2. Install the new CapPack on the base, first engaging the module-to-base
connectors and then pressing the CapPack into place.
Caution

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Replacing the CAP Pack Module 14
•Over tightening the mounting screws could crack the plastic housing.
3. Use the four screws provided to secure the CapPack to the base.
4. When the CapPack is first inserted, the STAT LED blinks green while the
CapPack is charging. Do not remove power to the Energy Pack while the
CapPack is charging because this could result in Controller memory not
being preserved.
The Energy Pack LEDs and the Controller status bits indicate when
charging is complete and the Energy Pack is ready to support backup.
5. To remove a Failed Battery fault and clear the battery status bits, clear
the Controller fault table.
-For details on status bit operation, refer to the PACSystems RX7i and RX3i
CPU Reference Manual, GFK-2222 (rev. Y or later).
Caution

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Firmware Updates 15
8Firmware Updates
The firmware for the Energy Pack is automatically updated by the Controller. At
power-up, the Controller checks the version of Energy Pack firmware to verify
compatibility with the Controller firmware. If an update is needed, the Controller
performs it automatically.
8.1 LED Indications for Firmware Updates
Firmware Update Mode
All three LEDs blink green
Failed to Load Firmware
All three LEDs blink red

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Additional Information 16
9Additional Information
PACSystems RX3i CPU Reference Manual, GFK-2222Y or later
PACSystems Controllers: Battery and Energy Pack Manual, GFK-2741E or later
PACSystems RX3i / Series 90-30 Installation and Maintenance Requirements, GFK-
2975
For user manuals, product updates and other information go to the
Support website,
https://www.emerson.com/Industrial-Automation-Controls/support and
refer to Controllers and IO, RX3i Rackless Controllers.

Contact Information:
Technical Support:
https://www.emerson.com/industrial-automation-controls/support
General Information
http://www.emerson.com/industrial-automation-controls
Note:If the product is purchased through an Authorized Channel Partner, please contact the
seller directly for any support.
Emerson reserves the right to modify or improve the designs or specifications of the products
mentioned in this manual at any time without notice. Emerson does not assume responsibility
for the selection, use or maintenance of any product. Responsibility for proper selection, use
and maintenance of any Emerson product remains solely with the purchaser.