PACSystems* RX3i CPU IC695CRU320

PACSystems* RX3i CPU IC695CRU320
Important Product Information
PACSystems* RX3i
IC695CRU320-EW
Redundancy CPU
GFK-2514AA
June 2015
The PACSystems* RX3i Redundancy CPU can be used to
perform real time control of machines, processes, and
material handling systems. The CPU communicates with the
programmer and HMI devices via a serial port using SNP
Slave protocol. It communicates with I/O and smart option
modules over a dual backplane bus that provides:
▪
High-speed PCI backplane for fast throughput of new
advanced I/O.
▪
Serial backplane for easy migration of existing
Series 90*-30 I/O.
Features
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Hot standby (HSB) redundancy. Two redundant units
make up a redundancy system. Each unit requires one
Redundancy CPU (IC695CRU320) and a redundancy
Memory Xchange module (IC695RMX128/228) configured
as a redundancy link.
Contains 64 Mbytes of battery-backed user memory and
64 Mbytes of non-volatile flash user memory.
Provides access to bulk memory via reference table %W.
Configurable data and program memory.
Programming in Ladder Diagram, Structured Text,
Function Block Diagram, and C. Refer to PACSystems RX7i
& RX3i CPU Programmer’s Reference Manual, GFK-2950.
Supports auto-located Symbolic Variables that can use
any amount of user memory.
Reference table sizes include 32Kbits for discrete %I and
%Q and up to 32K words each for analog %AI and %AQ.
Supports most Series 90-30 modules and expansion
racks. For a list of supported I/O, Communications,
Motion, and Intelligent modules, refer to the PACSystems
RX3i System Manual, GFK-2314F or later.
Supports up to 512 program blocks. Maximum size for a
block is 128KB.
CPU firmware may be upgraded in the field.
CPU supports firmware upgrades of modules in its
backplane.
Two serial ports: an RS-485 serial port and an RS-232
serial port.
Ethernet communications via the rack-based Ethernet
Interface module (IC695ETM001). For details on Ethernet
capabilities, refer to PACSystems RX7i & RX3i TCP/IP
Ethernet Communications User Manual, GFK-2224.
Time Synchronization to SNTP Time Server on Ethernet
network when used with Ethernet Release 5.0 or later.
Compliant with EU RoHS Directive 2002/95/EC using the
following exemptions identified in the Annex: 7(a), 7(c)-I, &
7(c)-III.
Indicates a trademark of General Electric Company and/or its subsidiaries. All other trademarks are the property of their
respective owners.
Copyright © 2008-2015 General Electric Company. All Rights Reserved.
*
2
PACSystems* RX3i Redundancy CPU
GFK-2514AA
IC695CRU320-EW
Ordering Information
Catalog Number
IC695CRU320
IC695ACC302
IC693ACC302
IC690RBT001

Description
RX3i 1GHz Celeron M CPU with 64MB User Memory
Smart Auxiliary Battery for Memory Retention
Auxiliary Battery for Memory Retention
Rechargeable Battery for Memory Retention
Warning – Use only GEIP approved auxillary battery packs listed above. Use of another battery may
present a risk of fire or explosion.
Hot Standby CPU Redundancy Features
For details on the configuration and operation of a Hot Standby CPU redundancy system, refer to the PACSystems
Hot Standby CPU Redundancy User’s Manual, GFK-2308.
▪
Supports single and redundant Ethernet remote I/O LANs through Ethernet Network Interface Unit (ENIU)
modules
▪
▪
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Supports simplex and redundantly controlled PROFINET remote IO (requires firmware version 8.00 or later)
▪
▪
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Survives any one single point of failure
Bumpless switching
o
Synchronized CPUs
o
One scan switching
o
Transfer data size up to 2Mbytes; selected in CPU hardware configuration and in variable properties
Supports two redundancy communications links
Online repair of failed component
Online programming
Redundancy Memory Xchange Module
o
Manual toggle switch for role switching, which transitions control from the active unit to the backup unit
o
Redundancy status LEDs
Application-initiated role switching to switch the active unit to backup status
Redundancy status bits and message logging
Memory error checking and correction (ECC) single bit correcting and multiple bit checking
Background diagnostics
HSB Control Strategy
The HSB control strategy has the following characteristics:
▪
▪
▪
Active unit does not automatically switch to primary on resynchronization
Critical control data plus all redundant outputs must be included in the output data transfer
Bumpless switchover from active unit to backup unit
PACSystems* RX3i Redundancy CPU
IC695CRU320-EW
3
GFK-2514AA
Specifications: CRU320
CPU Performance
For CRU320 performance data, refer to Appendix A of the PACSystems CPU Reference
Manual, GFK-2222V or later.
Battery: Memory retention
For battery selection, installation and estimated life, refer to the PACSystems RX3i and RX7i
Battery and Energy Pack Manual, GFK-2741
Program storage
Up to 64 MB of battery-backed RAM
64 MB of non-volatile flash user memory
Power requirements
+3.3 Vdc: 1.0 Amps nominal
+5 Vdc: 1.2 Amps nominal
Operating Temperature
0 to 60°C (32°F to 140°F)
Floating point
Yes
Time of Day Clock accuracy
Maximum drift of 2 seconds per day
Elapsed Time Clock (internal
timing) accuracy
0.01% maximum
Embedded communications
RS-232, RS-485
Serial Protocols supported
Modbus RTU Slave, SNP, Serial I/O
Backplane
Dual backplane bus support: RX3i PCI and high-speed serial bus
PCI compatibility
System designed to be electrically compliant with PCI 2.2 standard
Program blocks
Up to 512 program blocks. Maximum size for a block is 128KB.
Memory
%I and %Q: 32Kbits for discrete
%AI and %AQ: configurable up to 32Kwords
%W: configurable up to the maximum available user RAM
Symbolic: configurable up to 64 Mbytes
Flash memory endurance
rating
100,000 write/erase cycles minimum
Memory error checking and
correction (ECC)
Single bit correcting and multiple bit checking.
Switchover Time1
Maximum 1 logic scan, minimum 3.133 msec.
Typical Base Sweep Time
(Reference Data Transfer List
Impact)2
3.66 msec: 1K Discrete I/O, 125 Analog I/O and 1K Registers
3.87 msec: 2K Discrete I/O, 250 Analog I/O and 2K Registers
4.30 msec: 4K Discrete I/O, 500 Analog I/O and 4K Registers
5.16 msec: 8K Discrete I/O, 1K Analog I/O and 8K Registers
Maximum amount of data in
transfer list
Up to 2 Mbytes
Number of redundancy links
supported
Up to two IC695RMX128/228 synchronization links are supported.
For product standards, general operating specifications, and installation requirements, refer to PACSystems RX3i System Manual,
GFK-2314.
1
2
Switchover time is defined as the time from failure detection until backup CPU is active.
Symbolic variable and Reference data can be exchanged between controllers. Up to 2 Mbyte of data is available for transfer
4
PACSystems* RX3i Redundancy CPU
GFK-2514AA
IC695CRU320-EW
Installation Location
This product is intended for use with the RX3i system. Its components are considered open equipment (having live
electrical parts that may be accessible to users) and must be installed in an ultimate enclosure that is
manufactured to provide safety. At a minimum, the enclosure shall provide a degree of protection against solid
objects as small as 12mm (fingers, for example). This equates to a NEMA/UL Type 1 enclosure or an IEC60529 IP20
rating providing at least a pollution degree 2 environment. For details about installing RX3i rack systems, refer to
PACSystems RX3i System Manual, GFK-2314.
Installation in Hazardous Areas
The following information is for products bearing the UL marking for Hazardous Areas or ATEX marking for
explosive atmospheres:
CLASS 1 DIVISION 2 GROUPS ABCD

This equipment is an open-type device and is meant to be installed in an enclosure suitable for the
environment that is only accessible with the use of a tool.

Suitable for use in Class I, Division 2, Groups A, B, C and D Hazardous Locations, or nonhazardous locations
only.

Warning – EXPLOSION HAZARD - SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I,
DIVISION 2.

Warning – WHEN IN HAZARDOUS LOCATIONS, TURN OFF POWER BEFORE REPLACING OR WIRING
MODULES.

Warning – EXPLOSION HAZARD - BATTERIES MUST ONLY BE CHANGED IN AN AREA KNOWN TO BE NONHAZARDOUS.
ATEX Zone 2
This module must be mounted in an enclosure certified in accordance with EN60079-15 for use in Zone 2, Group IIC
and rated IP54. The enclosure shall only be able to be opened with the use of a tool.
Release History
Catalog Number
IC695CRU320-EW
Firmware
Revision
8.50
IC695CRU320-EV
8.40
IC695CRU320-EU
®
8.15
Date
Comments
May
2015
Jan
2015
Add support for HART® Pass Through feature. Refer to PACSystems RX3i HART Pass
Through User Manual, GFK-2929.
The CRU320 now supports 255 PROFINET I/O Devices in a PACSystems RX3i Hot
Standby CPU Redundancy system. PROFINET operation uses the PROFINET I/O
Controller module IC695PNC001. Redundant operation conforms to PROFINET V2.3
Type S-2 System Redundancy.
May
2014
PROFINET I/O operation in a HSB CPU Redundancy system is described in the
following user manuals:
 PACSystems Hot Standby CPU Redundancy User’s Manual, GFK-2308K
 PACSystems RX3i PROFINET IO Controller User Manual, GFK-2571D
Adds support for IC695RMX228 128 MB Reflective Memory Module with Single Mode
Transceiver.
Adds ability to read reflective memory status bits for IC695CMX128, IC695RMX128,
and IC695RMX228 (reflective memory modules).
Resolves issue of Serial I/O Read Bytes COMMREQ (4402) always returning error
code 100Dh in the event of an error, regardless of the error.
HART® is a registered trademark of the HART Communication Foundation of Austin, Texas USA. Any use of the term HART
hereafter in this document, or any document referenced by this document, implies the registered trademark.
PACSystems* RX3i Redundancy CPU
IC695CRU320-EW
Catalog Number
5
GFK-2514AA
IC695CRU320-ET
Firmware
Revision
8.05
Date
Comments
Feb
2014
Adds support for the new IC695ECM850 (IEC 61850 Ethernet Communication
Module), which operates as an IEC 61850 Client and provides connectivity to IEC
61850 Server devices.
Resolves issue of CPU halting when the inner FOR_LOOP's Start is greater than End
input in a nested FOR_LOOP.
Adds remote PROFINET IO to PACSystems RX3i Hot Standby Redundancy systems.
Resolves issue with LREAL operands within complex relational expressions.
Resolves an issue where the CRU320 would go into halt mode when downloading to
a CRU320 (Firmware 7.70 and later) that has GBCs in the configuration and the
partner CRU320 is not configured.
Resolves the three issues listed in PACSystems RX3i CPU IC695CRU320 IPI,
GFK-2514T.
Corrects an issue in versions 7.15 – 7.70 that required setting OEM lock in Enhanced
Security in order to preserve the OEM lock through a power cycle.
Adds support for RX3i CMX/RMX modules version –CG (hardware version Cx with
firmware version 2.00 and later).
Adds support for the following new modules: IC694MDL758 and IC695CNM001.
IC695CRU320-ES
8.00
IC695CRU320-ER
7.81
IC695CRU320-EP
7.80
IC695CRU320-EN
7.75
IC695CRU320-EM
7.70
IC695CRU320-EL
7.18
IC695CRU320-EK
7.17
Oct
2012
IC695CRU320-EJ
7.15
July
2012
IC695CRU320-EH
7.14
IC695CRU320-EH
7.13
IC695CRU320-EG
6.72
IC695CRU320-DF
6.71
IC695CRU320-DE
6.70
IC695CRU320-CE
6.70
IC695CRU320-CD
6.02
IC695CRU320-BC
6.01
Jun
2012
Apr
2012
Aug
2011
May
2011
Mar
2011
Dec
2010
Aug
2010
Mar
2010
IC695CRU320-BB
6.00
IC695CRU320-BA
5.70
IC695CRU320-AA
5.70
Dec
2013
Oct
2013
Sep
2013
May
2013
Feb
2013
Nov
2012
May
2010
July
2009
Feb
2009
Adds the ability to monitor a new interface between the CPU and the CMX/RMX
Memory Xchange modules (CMX/RMX Memory Xchange module firmware 1.06 and
later). In the rare occasion the CMX/RMX Memory Xchange module detects a failure
in a read operation, the CMX/RMX Memory Xchange module will indicate the last
read is invalid. The CPU will then retry the previous read operation.
Adds the ability to monitor the new queue alignment flag provided by CMX/RMX
Memory Xchange modules with firmware version 1.05 or greater. If a queue
alignment problem is detected, the CPU retries the read operation where the
problem occurred.
Adds native support for the IC694PSM001 module and resolves several issues. Also
introduces new features to augment security in the CPU firmware and Proficy
Machine Edition software. For details, see PACSystems RX3i CPU IC695CRU320 IPI,
GFK-2514N
Corrects the issue described in PACSystems RX3i CPU IC695CRU320 IPI, GFK-2514M.
Corrects issues with Logic Driven Write to Flash (Service Request 57) and Run mode
store in HSB redundancy systems with synchronized CPUs.
Corrects an issue with the RS-485 (COM2) serial port.
Corrects the behavior of the Logic Driven Read/Write to Flash service requests,
SVC_REQ 56 and SVC_REQ 57.
Implements a hardware design update that improves the noise immunity of the CPU
module during power up from flash operations.
For features introduced and problems resolved, see PACSystems RX3i CPU
IC695CRU320 IPI, GFK-2514G.
Provides capability for low battery detection. The new hardware is EU-ROHS
compliant. For details, see PACSystems RX3i CPU IC695CRU320 IPI, GFK-2514F.
Provides for OEM protection in flash-based systems that do not use a battery. For
additional problems resolved, see PACSystems RX3i CPU IC695CRU320 IPI,
GFK-2514E.
See PACSystems RX3i CPU IC695CRU320 IPI, GFK-2514D for new features and
problems resolved.
Hardware-only upgrade to enhance manufacturability. Does not affect product
features or functional compatibility.
Initial release.
6
PACSystems* RX3i Redundancy CPU
GFK-2514AA
IC695CRU320-EW
Important Product Information for this Release
Field Upgrade
Upgrade Kit:
82A1559-SW01-001-A20
When upgrading for HART Pass Through functionality, the supporting Analog I/O modules must contain HART-compatible
firmware. If used for HART Pass Through, the PROFINET Controller (PNC001) and PROFINET Scanner (PNS001 or CEP001) must
also contain HART-compatible firmware (see below).
New Features and Enhancements
Subject
Description
Supports the HART Pass
Through Feature
HART-capable RX3i Analog I/O modules can communicate HART data via this CPU to
compatible asset management tools. Refer to the PACSystems HART Pass Through User
Manual, GFK-2929 for more details.
Problems Resolved by this Revision
Subject
None
ID Code
Description
This release provides feature enhancement only.
PACSystems* RX3i Redundancy CPU
7
IC695CRU320-EW
GFK-2514AA
Functional Compatibility
The following are required to use the features introduced in the most recent CPU release:
Subject
Minimum Version Required
Programmer Version
Requirements
PME 8.50 SIM 2 or later.
Supports the HART Pass
Through Feature
HART-capable RX3i Analog I/O modules can communicate HART data via this CPU to
compatible asset management tools. Refer to the PACSystems HART Pass Through User
Manual, GFK-2929 for more details.
The following RX3i analog modules support HART:
IC695ALG626
IC695ALG6283
IC695ALG728
If used for HART Pass Through, the supporting RX3i PROFINET Controller (PNC001) and
PROFINET Scanner (PNS001 or CEP001) must also contain HART-compatible firmware:
IC695PNC001 Firmware Release 2.20
IC695PNS001 Firmware Release 2.30
IC695CEP001 Firmware Release 2.30.
C Toolkit Compatibility
The C Toolkit for PACSystems is distributed with Proficy Machine Edition Logic Developer.
Updates can be downloaded from http://www.ge-ip.com/support.
C Toolkit Release 5.50, distributed with Machine Edition Logic Developer 5.9 or later, is
required for use with the CRU320.
Note:
C blocks that were built using C Toolkit versions earlier than 5.00 Build 16C1 must be
recompiled using a newer toolkit version for use with CPU firmware release 5.00 or
higher.
Note:
The Series 90 Toolkit (IC641SWP709/719) is not compatible with PACSystems.
RS-485 Port Compatibility
When the CPU is first powered on, the RS-485 port (COM 2) powers up with the transmitter
enabled. The transmitter is placed into a high-impedance state once the CPU OK LED is
illuminated. Since that takes a finite amount of time, this could be an issue if the COM 2 port is
being used in multi-drop communications, and other devices share the same cable via wiredOR connections. If one of those devices is actively communicating when the CPU is powered
up, there is a potential for those communications to be disrupted until the CPU puts the
RS-485 port into high-impedance state.
Low Battery Detection
For the low battery detection circuit to function properly, a Smart Battery must be used.
For details, refer to the PACSystems RX3i and RX7i Battery and Energy Pack Manual, GFK-2741
Rx3i Backplane Hardware
Revision
For the CRU320 CPU, one of the following backplane hardware revisions MUST be used:
IC695CHS012-BAMP
IC695CHS016-BAMP
IC695CHS012CA-BAMP
IC695CHS016CA-BAMP
or
IC695CHS012-CA (or later)
IC695CHS016-CA (or later)
IC695CHS012CA-CA (or later)
IC695CHS016CA-CA (or later)
Motion Module not supported
by Redundancy CPU
The CRU320 does not support the PMM335 PACMotion Multi-Axis Motion Controller.
Backplanes, power supplies
and I/O modules
For lists of compatible backplanes, power supplies and I/O modules, refer to the PACSystems
RX3i System Manual, GFK-2314F or later.
Series 90-30 Expansion Rack
Compatibility
Series 90-30 expansion racks, both local and remote, are supported by the PACSystems RX3i
System. PACSystems RX3i CPUs must be located in an RXi Universal Backplane. They do not
operate in a Series 90-30 Rack.
Series 90-30 Main Rack
Compatibility
Series 90-30 Main Racks cannot be used in a PACSystems RX3i system.
Series 90-30 CPUs do not operate in PACSystems RX3i Racks.
3
If used, IC695ALG628 must be installed in the RX3i CPU Rack. At time of publication, it is not supported by PROFINET scanners
IC695PNS001 or IC695CEP001. Refer to IPIs for IC695PN001 or IC695CEP001 for future updates.
8
PACSystems* RX3i Redundancy CPU
GFK-2514AA
IC695CRU320-EW
Subject
Minimum Version Required
COMMREQ to PBM300
In Release 3.0, the behavior of the COMMREQ fault output on a COMMREQ sent to the
PROFIBUS master module IC695PBM300 was changed to be compatible with the Series 90-30
CPU366 PROFIBUS Master. Previously, the fault output is enabled when the module receives a
COMMREQ and it is busy. Now, the busy condition does not result in the fault output enabled.
Recommended IC200ALG240
revision
When a VersaMax* system Genius* Network Interface Unit (IC200GBI001) operates with a
Genius Bus Controller located in a PACSystems RX3i, and the VersaMax system contains an
IC200ALG240 Analog Input Module, it is recommended to update the IC200ALG240 firmware
to Revision 1.20 or later using upgrade kit 44A752313-G02 or later.
Upgrade kits are available at http://www.ge-ip.com/support.
Redundancy operation with
dissimilar CPU models
Not allowed: The CRU320 does not support synchronization with RX7i redundancy units.
Restrictions and Open Issues
Restrictions and Open Issue
Restriction/Open Issue
Description
Missing Addition of IOC event
when ECM850 module restarts
due to reset pushbutton or
SVC_REQ 24
When ECM850 module RESET is triggered using SVC_REQ 24 or Reset pushbutton, CPU does
not report Addition of IOC fault message in Controller fault table after successful reset of
module.
Rare condition of CPU lights
out during power cycles
In rare instances during multiple rapid power cycles, the CPU will fail to power up. If this
occurs, the CPU should recover with the next power cycle.
The Ethernet module fails to
exchange EGD properly during
power cycling
Very rarely, after experiencing multiple rapid power cycles, the CPU may fail to establish
communication with one or more modules in the backplane at power up. When this occurs,
several pairs of a Loss of, or missing option module and Reset of option module faults will be
logged in the controller fault table.
If the module is an ETM, an event 30H is recorded in its station manager event log.
To recover from this issue, cycle power again.
Loss of power supplies after
firmware update
A Loss of Power Supplies after firmware update may occur. This does not happen with all
firmware updates and will NOT occur if the system is power cycled after the firmware
upgrade has completed. The faults displayed when this issue occurs are as follows:
Loss of, or missing option module
Error Code: 36
Group: 4
Action: 3:Fatal
Task Num: 9
Fault Extra Data: 01 58 02 4f 80 08 0a 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Battery installation.
When installing a new battery, if there currently is no battery installed, the battery must be
installed while the CPU has power. Failing to follow this procedure could result in the CPU not
powering up.
If a battery is installed while power is off (and there was no battery previously installed), and
the CPU fails to power up, remove the battery, power cycle the CPU and then install the
battery.
Hot swapping some analog
modules slowly may result in
modules not being recognized.
Occasionally during a hot insertion (hot swap) of RX3i Non-Isolated Analog Input Modules,
input channels may take up to 2 seconds to reflect actual input values after the module OK
bit is enabled in the module status word. This has only been seen when the hot insertion has
been done slowly (i.e. approximately 1.5 seconds to insert the module). Refer to PACSystems
RX3i System Manual, GFK-2314F or later for updated hot-swap information.
Ethernet disconnect during
Word-for-Word change.
If the Ethernet connection is broken during a word-for-word change, the programmer may
not allow a subsequent word-for-word change after reconnecting due to the fact that it
thinks another programmer is currently attached. If this occurs, you should go offline and
then back online again.
Simultaneous Clears, Loads
and Stores not supported.
PACSystems CPUs do not support multiple programmers changing CPU contents at the same
time. The programming software may generate an error during the operation. Simultaneous
loads from a single CPU are allowed.
PACSystems* RX3i Redundancy CPU
9
IC695CRU320-EW
GFK-2514AA
Restrictions and Open Issue
Restriction/Open Issue
Description
Hardware configuration Not
Equal after changing target
name.
If you store a hardware configuration to flash that sets Logic/Config Power-up Source to
Always Flash or Conditional Flash and then change the name of the target in the
programming software, the hardware configuration will indicate Not Equal and will not verify
as Equal.
Controller and IO Fault Tables
may need to be cleared twice
to clear faulted state.
Both Controller and IO fault tables may need to be cleared to take the CPU out of Stop/Fault
mode. If one of the tables contains a recurring fault, the order in which the tables are cleared
may be significant. If the CPU is still in Stop/Fault mode after both tables are cleared, try
clearing the fault tables again.
Setting Force On/Off by
storing initial value.
Once a force on or force off has been stored to the controller, you cannot switch from force
on to force off or vice-versa by downloading initial values. To turn the force on or off,
download the project.
Number of active programs
returned as zero.
The SNP request Return Controller Type and ID currently returns the number of active
programs as zero.
Serial I/O fails at 115K during
heavy interrupt load.
Rare data corruption errors have been seen on serial communications when running at 115K
under heavy interrupt load on the controller. Under heavy load applications, users should
restrict serial communications to 57K or lower.
Multi-drop serial
communications interrupted
by CRU320 power cycle
Communications can be disrupted when two EIA485 ports (COM 2) are wired together/multidropped using a two wire connection (wired OR) and either CPU is powered on while the
other CPU is communicating.
SNP ID not always provided.
Unlike the Series 90-30, the RX3i CPU’s SNP ID does not appear in the Machine Edition
programmer Show Status display. Service Request 11 will always return zeros.
Second programmer can
change logic while in Test &
Edit mode.
While currently active in a Test and Edit session using Machine Edition on one PC, Machine
Edition running on another PC is not prevented from storing new logic to the controller.
Must have logic if powering up
from flash.
If the application will configure the CPU to retrieve the contents of flash memory at power-up,
be sure to include logic along with hardware configuration when saving to flash memory.
CPU may not detect lowbattery condition
An IC693ACC302 battery with very low capacity may still have a terminal voltage high
enough to report that it is a good battery. In this case, when the battery starts supplying the
memory power (battery backup), the battery voltage quickly drops to unacceptable levels,
with little warning to the user before failure. To insure against data loss, users should replace
batteries in accordance with the guidelines provided in the PACSystems RX7i & RX3i CPU
Reference Manual, GFK-2222. Additionally, users could save logic and hardware configuration
to flash.
Two Loss of Module faults for
Universal Analog module.
Occasionally, the hot removal of the Universal Analog Input Module (IC695ALG600) results in
two Loss of I/O Module faults instead of one.
Power up of Series 90-30 HSC
module may take as long as
20 seconds.
As power is applied to a 90-30 High-Speed Counter, the Module Ready bit in the status bits
returned each sweep from the module may not be set for as long as 20 seconds after the first
controller sweep, even though there is no Loss of Module indication. I/O data exchanged with
the module is not meaningful until this bit is set by the module. Refer to the Series 90-30 High
Speed Counter User’s Manual, GFK-0293C, Section 4.7.
Informational fault at
power up.
Intermittently during power-up, an Informational non-critical CPU software fault may be
generated with fault extra data of 01 91 01 D6. This fault will have no effect on the normal
operation of the controller. But, if the hardware watchdog timer expires after this fault and
before power has been cycled again, then the outputs of I/O modules may hold their last
state, rather than defaulting to zero.
Extended memory types for IO
triggers.
%R, %W and %M cannot be used as IO triggers.
Possible Machine Edition
inability to connect.
Infrequently, an attempt to connect a programmer to a controller via Ethernet will be
unsuccessful. The normal connection retry dialog will not be displayed. Rebooting the
computer that is running the programmer will resolve the behavior.
SNP Update Datagram
message.
If an Update Datagram message requests 6 or less bits or bytes of data, the controller will
return a Completion Ack message without Text Buffer. The protocol specifies that the
returned data will be in the Completion Ack message, but it may not be.
10
PACSystems* RX3i Redundancy CPU
GFK-2514AA
IC695CRU320-EW
Restrictions and Open Issue
Restriction/Open Issue
Description
GBC30 may not resume
operation after power cycle.
In rare instances, a GBC30 in an expansion rack may not resume normal operation after a
power cycle of either the expansion rack or the main rack.
To restore GBC operation, power cycle the rack again.
Configuration of third-party
modules.
Do not specify a length of zero in the configuration of a third-party module. The module will
not work properly in the system.
Power supply status after CPU
firmware update.
The controller will report a Loss of or Missing Option Module fault for the IC695PSD140 RX3i
power supply following an update of CPU firmware. Also, the slot will appear empty in the
programmer’s online status detail view. The power supply continues to operate normally.
Power cycle to restore normal status reporting.
Power supply status after
power cycling.
Rarely, turning a power supply on or off may fail to result in an Add or Loss fault. Also, the slot
will appear empty in the programmer’s online status detail view. The power supply continues
to operate normally. Power cycle to restore normal status reporting.
Don’t use multiple targets.
In a system in which the hardware configuration is stored from one target and logic is stored
from a different target, powering-up from flash will not work. The observed behavior is that,
following a power up from flash, Machine Edition reports hardware configuration and logic
Not Equal.
Missing Loss of Terminal Block
fault.
The IC695ALG600/608/616 analog input modules do not produce a Loss of Terminal Block
fault when hardware configuration is stored or the module is hot-inserted, and the terminal
block is not locked into place.
Sequence Store failure.
When downloading projects with very large hardware configuration or which use large
amounts of user memory, it is possible to encounter a controller Sequence Store Failure error
when writing the project to flash. To work around this error, either or both of the following
actions may be helpful:
1. Perform an explicit clear of flash prior to performing the write.
2. Increase the operation timeout used by Machine Edition prior to performing the write.
This is done by expanding the Additional Configuration in the Inspector window for the
target controller, and adjusting the Request Timeout. The timeout may need to be
increased to as much as 60,000 msec, depending on the amount of memory used and
the condition of the flash memory.
IC693/IC694MDL754: Must
configure 16 module status
bits
Always configure sixteen bits of module status when using module MDL754. Configuring zero
bits of module status will result in invalid data in the ESCP status bits of the module.
IC695ALG600 Lead Resistance
Compensation setting.
A configuration store operation will fail if a channel is configured for 3-wire RTD and Lead
Resistance Compensation is set to Disabled. A Loss of Module fault will be logged in the I/O
Fault table at the end of the store operation.
To recover the lost module, the configuration must be changed to enable Lead Resistance
Compensation and module must be power cycled.
WinLoader may stop
operating.
On computers running Windows 2000 and using some versions of Symantec Antivirus
protection, WinLoader will lock up if used in advanced mode. Recovery requires cycling the
computer's power.
Logic and HWC Not Equal
after power cycle.
If the Hardware Configuration from Target 1, with Logic/Configuration Power-up Source and
Data Source both set to Always from Flash, is stored in Flash, then Logic and Hardware Config
from Target 2, with Logic/Configuration Power-up Source both set to Always from RAM, are
stored to RAM and there is a good battery, then when power is cycled the programmer may
show that Logic and Hardware Config are Not Equal.
The remedy is to clear Flash and re-store the Logic and Hardware Config from Target 2.
WinLoader does not detect PC
COM port in use when
upgrading PACSystems CPU.
WinLoader does not detect if a PC's COM port is in use when attempting to connect to a
PACSystems CPU to perform a firmware upgrade. If the port is already in use it displays the
status trying to connect followed by waiting for target. To proceed with the upgrade, press the
abort button and disconnect the other application that is using the COM port.
CPU320, CRU320 user
application and values
cleared after power cycle.
Under rare circumstances during multiple rapid power cycles the CPU320/CRU320 will power
up with the user application and data in RAM cleared. There will be a Corrupted user memory
fault in the controller fault table (Group 130, Error code 1). This will not occur if the user
application and data are loaded from flash on power-up (Always Flash or Conditional Flash)
PACSystems* RX3i Redundancy CPU
11
IC695CRU320-EW
GFK-2514AA
Restrictions and Open Issue
Restriction/Open Issue
WinLoader does not display
error when it can't connect
serially with PACS CPU.
Description
WinLoader does not display an error message if it cannot connect to the PACS CPU when
attempting to connect to a PACSystems CPU to perform a firmware upgrade. This occurs if
the cable is physically not connected to the CPU or if the CPU's serial port is not configured for
the same baud as WinLoader. In this case Winloader displays the status trying to connect
followed by waiting for target. To proceed with the upgrade, press the abort button and
correct the cable or baud rate setting.
Operational Notes
Operational Notes
Subject
Description
Firmware upgrades using
Slot 1
Firmware upgrades for modules in Slot 1 will only work for CPUs. Modules other than the CPU
need to be in Slot 2 or higher to perform a firmware upgrade.
Multiple calls to SVC_REQ 57
in a single sweep may cause
CPU watchdog timeouts
Multiple calls to SVC_REQ 57 (Logic Driven Write to Nonvolatile Storage) could result in the CPU
tripping the watchdog timer and going to STOP-HALT mode. The number of calls to
SVC_REQ 57 that can be made requires consideration of many variables, what the software
watchdog timeout value is, how much data is being written, how long the sweep is, age of
nonvolatile storage (flash), etc. If the application attempts to write to flash too frequently, the
CPU could experience a watchdog timeout while waiting for a preceding write operation to
complete.
The Logic Driven Read/Write to Flash service requests are not intended for high frequency
use. GE Intelligent Platforms recommends limiting the number of calls to SVC_REQ 57 to one
call per sweep to avoid a potential watchdog timeout and the resulting transition to StopHalt.
Prior to release 6.70 for the RX3i, the Modbus RTU slave protocol would return an Invalid
Function Code error response (1) upon receipt of a request with an invalid or undefined
function code. Starting with release 6.70, the Modbus RTU slave ignores requests with an
invalid or undefined function code, and no response is sent.
Error response 1 is no longer
returned for Modbus RTU
requests with invalid or
undefined function codes.
RUN LED is not illuminated on
the Series 90-30 power supply
for an RX3i remote/expansion
rack with input modules only
(releases earlier than 6.70).
Undefined symbols in C blocks
For firmware version 6.70 and later, the RUN LED for a remote/expansion rack reflects the
current IO enable/disable state (even when there are no output modules in the expansion
rack).
The RUN LED for a remote/expansion rack with only input modules works as follows for all
versions prior to version 6.70:
When a remote or expansion baseplate is used with the RX3i, the RUN LED on the Series
90-30 power supply for that baseplate is illuminated when the system is in Run mode only
if the rack contains at least one output module. If the rack contains input modules only,
the RUN LED is not illuminated. This is due to the way input modules are managed in the
PACSystems design and does not indicate an error.
If an attempt is made to download a C block containing undefined symbols, the download
will fail. Machine Edition will display the following message in the Feedback Zone: Error 8097:
Controller Error – Controller aborted the request [0x05][0xFF]
Prior to Release 5.00, C blocks containing undefined symbols could be successfully
downloaded, but if they were executed the CPU would transition to Stop/Halt mode.
For details, see C Toolkit Compatibility.
Length of serial I/O buffer
The Set Up Input Buffer Function always allocates a buffer containing 2049 bytes. This is one
byte more than previous PACSystems releases.
Changing IP Address of
Ethernet interface while
connected
Storing a hardware configuration with a new IP address to the RX3i while connected via
Ethernet will succeed, then immediately disconnect because the RX3i is now using a different
IP address than the Programmer. You must enter a new IP address in the Target Properties in
the Machine Edition Inspector window before reconnecting.
Duplicate station address for
Modbus will conflict with
other nodes
The default serial protocol for the RX3i is Modbus RTU. The default Station Address is 1. If the
RX3i is added to a multi-drop network, care must be taken that the RX3i is configured with a
unique Station Address. Nodes with duplicate Station Addresses on the same network will not
work correctly.
12
PACSystems* RX3i Redundancy CPU
GFK-2514AA
IC695CRU320-EW
Operational Notes
Subject
Description
Timer operation
Care should be taken when timers (ONDTR, TMR, and OFDTR) are used in program blocks that
are NOT called every sweep. The timers accumulate time across calls to the sub-block unless
they are reset. This means that they function like timers operating in a program with a much
slower sweep than the timers in the main program block. For program blocks that are
inactive for large periods of time, the timers should be programmed in such a manner as to
account for this catch up feature.
Related to this are timers that are skipped because of the use of the JUMP instruction. Timers
that are skipped will NOT catch up and will therefore not accumulate time in the same
manner as if they were executed every sweep.
Constant sweep
Constant Sweep time, when used, should be set at least 10 ms greater than the normal
sweep time to avoid over-sweep conditions when monitoring or performing on-line changes
with the programmer. Window completion faults will occur if the constant sweep setting is
not high enough.
Large number of COMMREQs
sent to module in one sweep
causes faults
A large number of COMMREQs (typically greater than 8) sent to a given board in the same
sweep may cause Module Software faults to be logged in the RX3i fault table. The fault group
is MOD_OTHR_SOFTWR (16t, 10h) and the error code is COMMREQ_MB_FULL_START (2). When
this occurs, the FT output of the function block will also be set. To prevent this situation,
COMMREQs issued to a given board should be spread across multiple sweeps so that only a
limited number (typically 8 or less) of COMMREQs are sent to a given board in each sweep. In
addition, the FT output parameter should be checked for errors. If the FT output is set
(meaning an error has been detected), the COMM_REQ could be re-issued by the application
logic.
C Block standard math
functions do not set errno
In C Blocks, standard math functions (e.g. sqrt, pow, asin, acos) do not set errno to the correct
value and do not return the correct value if an invalid input is provided.
Upgrading firmware



Upgrading the CPU firmware with the WinLoader utility may fail when multiple IO
modules are in the main rack, due to the time it takes to power cycle the rack system. If
the upgrade process fails, move the CPU to a rack without IO modules and restart the
upgrade process.
Winloader initial connect baud rate is fixed at 19200 baud. Note that the firmware
download will occur at 115.2K baud by default.
Note that if you have Hyperterm open on a port, and then try to use Winloader on the
same port, Winloader will often say Waiting for Target until the hyperterm session is
closed.
Hot swap
Hot Swap of power supplies or CPUs is not supported.
Serial port configuration
COMMREQs
With the following combination of circumstances, it is possible to render serial
communications with the CPU impossible:

User configuration disables the Run/Stop switch

User configures the power up mode to Run or Last

Logic is stored in FLASH and user configures CPU to load from FLASH on power-up

User application issues COMMREQs that set the protocol on both of the serial ports to
something that does not permit communications to the Machine Edition programmer.
Incorrect COMMREQ status
for invalid program name
The program name for PACSystems is always LDPROG1. When another program name is
used in a COMM_REQ accessing %L memory, an Invalid Block Name (05D5) error is
generated.
FANUC I/O Master and Slave
operation
Scan sets on the master do not work properly for the first operation of the scan set after
entering RUN mode. They do work properly for subsequent scans.
After downloading a new hardware configuration and logic, a power cycle may be required
to resume FANUC I/O operation.
Use controllers of similar performance in FANUC I/O networks. If a master or slave is located
in an RX3i system, the other controllers should be RX3i or Series 90-30 CPU374.
Repeated power up/down cycles of an expansion rack containing FANUC I/O slaves may
result in failure of the slaves’ operation, with the RDY LED off.
Lost count at power up for
Serial IO Processor
The serial IO Processor (IC693APU305) will lose the first count after every power up or every
time the module receives a configuration.
PACSystems* RX3i Redundancy CPU
13
IC695CRU320-EW
GFK-2514AA
Operational Notes
Subject
Description
COMMREQ status words
declared in bit memory types
must be byte-aligned.
In previous releases, the CPU allowed configuration of COMMREQ Status Words in bit memory
types on a non-byte-aligned boundary. Even though the given reference was not bytealigned, the firmware would adjust it the next-lowest byte boundary before updating status
bits, overwriting the bits between the alignment boundary and specified location.
To ensure that the application operates as expected, release 3.50 requires configuration of
COMMREQ Status Words in bit memory types to be byte-aligned. For example if the user
specified status bit location of %I3, the CPU aligns the status bit location at %I1. Release 3.50
firmware requires the user to specify the appropriate aligned address (%I1) to ensure that the
utilized location is appropriate for their application. Note that the actual reference location
utilized is not changed, but now is explicitly stated for the user.
STOP and RUN mode
transition priority
The PACSystems CPU receives requests to change between STOP and RUN mode from many
different sources. These include (but are not limited to) Proficy Machine Edition, HMIs, the user
application, and the RUN/STOP switch. Since there are many potential sources for a mode
change request, it is possible to receive a new mode change request while another is already
in progress. When this occurs, the CPU evaluates the priority of the new mode change
request with the mode change that is in progress. If the new mode change request has an
equal or higher priority than the one already in progress, the CPU transitions to the new
mode instead of the one in progress. If, however, the new mode change request has a lower
priority than the one in progress, the new mode request is discarded and the CPU completes
the mode change that is in progress. The sweep mode priorities are (listed from highest to
lowest priority): STOP HALT, STOP FAULT, STOP, and RUN. (Note: The IO ENABLED/DISABLED
state is not part of the mode priority evaluation.) For example, a CPU is in RUN IO ENABLED
mode and a Service Request 13 function block is executed to place the CPU into STOP IO
DISABLED mode. Before the transition to STOP IO DISABLED is completed, the RUN/STOP
switch is changed from RUN IO ENABLED to RUN IO DISABLED. In this case, the CPU ignores
the new request from the RUN/STOP switch to go to RUN IO DISABLED mode because it is
already processing a request to go to STOP IO DISABLED mode and STOP mode has a higher
priority than RUN mode.
Suspend IO function block
does not suspend EGD
In a Series 90-70 the SUSPEND_IO function block suspends EGD in addition to IO Scan.
In PACSystems controllers the SUSPEND IO suspends only the IO Scan.
Additional Information
For additional information, please refer to the manuals listed below. Manuals can be downloaded from the support
website, http://support.ge-ip.com.
PACSystems RX7i & RX3i CPU Reference Manual
PACSystems RX7i & RX3i CPU Programmer’s Reference Manual
PACSystems Hot Standby CPU Redundancy User’s Manual
PACSystems Memory Xchange Modules User’s Manual
C Programmer’s Toolkit for PACSystems
PACSystems RX3i System Manual
PACSystems RX7i & RX3i TCP/IP Ethernet Communications User Manual
PACSystems TCP/IP Ethernet Communications Station Manager User Manual
PACSystems RXi, RX3i, and RX7i Controller Secure Deployment Guide
PACSystems RX3i and RX7i Battery and Energy Pack Manual
PACSystems RX3i PROFINET IO Controller User Manual
PACSystems RX3i Ethernet NIU User’s Manual
VersaMax PROFINET Scanner Manual
PACSystems RX3i HART Pass Through User Manual
GFK-2222
GFK-2950
GFK-2308
GFK-2300
GFK-2259
GFK-2314
GFK-2224
GFK-2225
GFK-2830
GFK-2741
GFK-2571
GFK-2439
GFK-2721
GFK-2929
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