GE Series 90-30 PLC

5-14 Series 90-30 PLC Installation and Hardware Manual – August 2002 GFK-0356Q
5
350–374 CPU Advanced Features
Advanced
features of
350 – 374
CPUs
Feature CPU350 CPU351 CPU352 CPU360 CPU363 CPU364 CPU374
Memory
32K
fixed
240K
1
Configurable
240K
1
Configurable
240K
1
Configurable
240K
1
Configurable
240K
1
Configurable
240K
1
Configurable
Serial Ports1331311
Floating-
Point Math
Yes
1
(Firmware)
Yes
1
(Firmware)
Yes
(Hardware)
Yes
1
(Firmware)
Yes
1
(Firmware)
Yes
1
(Firmware)
Yes
1
(Hardware)
Flash
Memory
Yes Yes Yes Yes Yes Yes Yes
Key Switch Yes Yes Yes Yes Yes Yes Yes
Sequential
Event
Recorder
Yes
1
Yes
1
Yes
1
Yes
1
Yes
1
Yes
1
Yes
1
Embedded
Ethernet
Interface
No No No No No Yes
1
Yes
1
1
Denotes features supported in CPU firmware release 9.0 and later.
Details of 350 – 374 CPU Advanced Features
Upgrading Older CPUs
Older versions of the CPU firmware do not support some of the features in the table above (see
table footnote). These features may be added to older 350 – 360 CPUs by upgrading them to CPU
firmware version 9.0 or later. (The 363 and 364 CPUs were equipped with firmware version 9.0
when released as new products.) No hardware changes are required for this upgrade. For more
information on the subject of upgrading, see the heading “CPU Firmware Upgrades” earlier in this
chapter.
Memory/Configurable Memory
Starting with CPU firmware version 9.0, the 351–374 CPUs have 240K of user-configurable
memory. The CPU350 has 32K of fixed memory. The configurable memory feature lets you
specify the amount of %R, %AI, and %AQ word memory. Discrete memory (%I, %Q, %M, etc.)
sizes are not configurable. Word memory can be configured from 128 to 32,640 words in 128
word increments, which gives 255 possible sizes. The amount of memory available for a user
program depends on how much is configured for word memory.
Note: Configurable Memory has limited support in Logicmaster Version 9.02
and later (limited to 16K %R words, 8K %AI words, and 8K %AQ
words), and full support in Control (Version 2.2 and later), VersaPro (all
versions), and CIMPLICITY Machine Edition Logic Developer-PLC
(all versions).