PLC Unit Specifications
Common Specifications
Basic, Standard and Analog PLC Unit Specifications
Basic PLC
Standard PLC Analog PLC
Control Method
Stored Program/Cyclic
execution method
Stored Program/Cyclic
execution method
Stored Program/Cyclic
execution method
I/O Numbering System
Fixed in Decimal Fixed in Decimal Fixed in Decimal
Ladder Memory (steps)
8000 8000 8000
Total Data Memory (words)
8000 8000 8000
Contact Execution (boolean)
< 0.6us < 0.6us < 0.6us
Typical Scan (1k boolean)
1–2 ms 1–2 ms 1–2 ms
RLL Ladder Style Programming
Yes Yes Yes
Run Time Edits
No No No
Scan
Variable / fixed Variable / fixed Variable / fixed
CLICK Programming Software for
Windows
Yes Yes Yes
Built-in Communication Ports
Yes (two RS-232 ports)
Yes (two RS-232 ports and
one RS-485 port)
Yes (two RS-232 ports and
one RS-485 port)
FLASH Memory
Standard on PLC Standard on PLC Standard on PLC
Protocol
Protocols: Modbus RTU (master/slave) and ASCII (in/out)
Built-in Discrete I/O points
8 inputs, 6 outputs 8 inputs, 6 outputs 4 inputs, 4 outputs
Built-in Analog I/O Channels
No No 2 inputs, 2 outputs
Number of Instructions Available
21 21 21
Control Relays
2000 2000 2000
System Control Relays
1000 1000 1000
Timers
500 500 500
Counters
250 250 250
Interrupt
Yes (external: 8 / timed: 4) Yes (external: 8 / timed: 4) Yes (external: 4 / timed: 4)
Subroutines
Yes Yes Yes
For/Next Loops
Yes Yes Yes
Math (Integer and Hex)
Yes Yes Yes
Drum Sequencer Instruction
Yes Yes Yes
Internal Diagnostics
Yes Yes Yes
Password Security
Yes Yes Yes
System Error Log
Yes Yes Yes
User Error Log
No No No
Memory Backup
Super Capacitor Super Capacitor + Battery Super Capacitor + Battery
Battery Backup
No Yes (battery part # D2-BAT-1) Yes (battery part # D2-BAT-1)
Calendar/Clock
No Yes Yes
I/O Terminal Block Replacement
AutomationDirect p/n
C0-16TB
AutomationDirect p/n
C0-16TB
AutomationDirect p/n
C0-16TB
Communication Port & Terminal
Block Replacement
N/A AutomationDirect p/n C0-3TB AutomationDirect p/n C0-3TB
24VDC Power Terminal Block
Replacement
AutomationDirect p/n C0-4TB AutomationDirect p/n C0-4TB AutomationDirect p/n C0-4TB
CLICK PLC Hardware User Manual, 6th Edition, Rev. G – C0-USER-M
2–27
Chapter 2: Specifications