Emerson PACSystems RX3i - Page 42

PACSystems™ RX3i and RSTi-EP CPU Reference Manual Section 2
GFK-2222AK October 2019
CPU Features & Specifications 34
CPE100/CPE115
Auxiliary Storage
CFast
N/A
Remote Data Storage Device (RDSD)
N/A
Micro SD
x 1 (Disabled)
Programming Capabilities
Max Number of Program Blocks
512
Program Block Max Size
128 KB
Discrete Reference Memory (%I, %Q)
48
2K Bits
Analog Reference Memory (%AI, %AQ)
48
2K Words
Bulk Reference Memory (%W)
48
up to max user RAM
Managed Memory (Symbolic + I/O
Variables)
48,49
up to 1 Mbytes
Floating Point
Y
Ladder Diagram (LD)
Y
Function Block Diagram (FBD)
Y
Structured Text (ST)
Y
PID Built-In Function Block
Y
"C" Language External Blocks
50
N/A
Communications
Ethernet Non-Switched RJ45
(dedicated NIC)
10/100 x1
Ethernet Switched RJ45 (shared NIC)
10/100 x3
10BaseT/100BaseT RJ45
Y
Ethernet Communications Platform
Built-in
Advanced User Parameters (AUP file)
N
51
RS-232
x 1 (Disabled)
RS-485
N/A
USB
USB 2.0 x 1 (Disabled)
Time-of-Day Clock
Time-of-Day Clock Accuracy (@60°C)
±2 secs/day
Elapsed Time Clock (internal timing)
accuracy
±0.01% max
Simple Network Time Protocol (SNTP)
accuracy to timestamp
50
N/A
RTC Battery Backup
Y
RTC Battery Life expectancy
5 years
48
Note: Whenever the size of any reference memory is changed, the content of the corresponding reference memory is automatically cleared.
49
For discussion of memory types and how they are managed, refer to PACSystems RX3i and RSTi-EP CPU Programmer’s Reference Manual,
GFK-2950 Section 3.
50
Not supported at the time of this publication.
51
The Advanced User Parameters (AUP) feature has been incorporated into PME Hardware Configuration (HWC) effective with PME release 8.60
SIM5.