GE IS200STAIS1A S2A 10 analog inputs
CPU310 CPU315 CPU320/CRU32015 CPE305 CPE310 CPE330 CPE400
Programming Capabilities
Max Number of Program Blocks 512 512 512 512 512 512 512
Program Block Max Size 128 KB 128 KB 128 KB 128 KB 128 KB 128 KB 128 KB
Discrete Reference Memory (%I, %Q)22 32 Kbits 32 Kbits 32 Kbits 32 Kbits 32 Kbits 32 Kbits 32 Kbits
Analog Reference Memory (%AI, %AQ) 21 32 Kwords 32 Kwords 32 Kwords 32 Kwords 32 Kwords 32 Kwords 32 Kwords
Bulk Reference Memory (%W) 21
up to max
user RAM
up to max
user RAM
up to max
user RAM
up to max
user RAM
up to max
user RAM
up to max
user RAM
up to max user
RAM
Managed Memory (Symbolic + I/O
Variables)21,23
up to 10
Mbytes
up to 20
Mbytes
up to 64
Mbytes up to 5 Mbytes up to 10
Mbytes
up to 64
Mbytes
up to 64
Mbytes
Floating Point y y y y y y y
Ladder Diagram (LD) y y y y y y y
Function Block Diagram (FBD) y y y y y y y
Structured Text (ST) y y y y y y y
PID Built-In Function Block y y y y y y y
"C" Language External Blocks

CPU310 CPU315 CPU320/
CRU32015 CPE305 CPE310 CPE330 CPE400
Communications
Ethernet Non-Switched RJ45
(dedicated NIC)
10/100/1000
x1
10/100/1000
x1
Embedded Field Agent Ethernet RJ45
(dedicated NIC)
10/100/1000
x1
Ethernet Switched RJ45 (shared NIC) 10/100/1000
x2
10/100/1000
x4 (2 pairs)
10BaseT/100BaseT RJ45 10/100 x1 10/100 x1 N
Ethernet Communications Platform ETM001 only ETM001 only ETM001 only Built-in and
/or ETM001
Built-in and
/or ETM001
Built-in and
/or ETM001 Built-in
Advanced User Parameters (AUP file) N/A N/A N/A Y
24 Y
23 N25 N24
RS-232 9-pin D x1 9-pin D x1 9-pin D x1 RJ-25 x1 9-pin D x1 N/A pending
RS-485 15-pin D x1 15-pin D x1 15-pin D x1 15-pin D x1 N/A N/A
USB USB-A 2.0 x1 USB-A 2.0 x1 USB-A 2.0 or
USB-A 1.1 x1
USB 3.0 x 2
(inactive)
Time-of-Day Clock
Time-of-Day Clock Accuracy (@60°C) ±2 secs/day ±2 secs/day ±2 secs/day ±2 secs/day ±2 secs/day ±2 secs/day ±2 secs/day
Elapsed Time Clock (internal timing)
accuracy
±0.01% max ±0.01% max ±0.01% max ±0.01% max ±0.01% max ±0.01% max ±0.01% max
Simple Network Time Protocol (SNTP)
accuracy to timestamp26
±2 ms using
ETM001
±2 ms using
ETM001
±2 ms using
ETM001
±2 ms using
ETM001
±2 ms using
ETM001
±2 ms using
ETM001 N/A
RTC Battery Backup Y Y Y Y
RTC Battery Life expectancy 5 years 5 years 5 years 5 years