Functions Available for the Different Types of PLC

Programming Languages

The following languages are available for platforms Modicon M580, Modicon M340, Momentum, Premium, Atrium, and Quantum:

NOTE: Only LD and FBD languages are available on Modicon M580 Safety and Modicon Quantum Safety CPUs.

The following tables describe the available tasks and processes for Premium and Atrium:

Tasks Processes	Premium: TSX Processors			Atrium: TSX Processors
Tasks Processes	P57 0244 P57 1••	P57 2•• P57 3•• P57 4•• H57 24M H57 44M	P57 5•• P57 6634	PCI 57 204 PCI 57 354
Master task cyclic or periodic	X	X	X	X
Fast task periodic	X	X	X	X
Auxiliary tasks periodic	-	-	4	-
Program Unit	-	-	-	-
Maximum size of a section	64 Kb			64 Kb
I/O type event processing	32	64	128	64
Timer type event processing	-	-	32	-
Total of I/O type and Timer type event processing	32	64	128	64
X or Value: Available tasks or processes (Value is the maximum number). -: Unavailable tasks or processes. (1) Depends on the available processor memory.

The following tables describe the available tasks and processes for Quantum:

Tasks Processes	Quantum: 140 CPU Processors
Tasks Processes	31• ••• 43• ••• 53• •••	651•• 652 60 670 60 671 60 672 60 672 61	651 60S 671 60S
Master task cyclic or periodic	X	X	X
Fast task periodic	X	X	-
Auxiliary tasks periodic	-	4	-
Program Unit	-	-	-
Maximum size of a section	64 Kb	⁽¹⁾	-
I/O type event processing	64	128	-
Timer type event processing	16	32	-
Total of I/O type and Timer type event processing	64	128	-
X or Value: Available tasks or processes (Value is the maximum number). -: Unavailable tasks or processes. (1) Depends on the available processor memory.

The following tables describe the available tasks and processes for M340:

Tasks Processes	Modicon M340 Processors
Tasks Processes	P34 1000	P34 20••
Master task cyclic or periodic	X	X
Fast task periodic	X	X
Auxiliary tasks periodic	-	-
Program Unit	X	X
Maximum size of a section	⁽¹⁾
I/O type event processing	32	64
Timer type event processing	16	32
Total of I/O type and Timer type event processing	32	64
X or Value: Available tasks or processes (Value is the maximum number). -: Unavailable tasks or processes. (1) Depends on the available processor memory.

The following tables describe the available tasks and processes for M580:

Tasks Processes	Modicon M580 BME Processors
Tasks Processes	P58 1020 P58 20•0	P58 30•0 P58 40•0 P58 5040 P58 6040	H58 2040 H58 4040 H58 6040	P58 2040S P58 4040S	H58 2040S H58 4040S H58 6040S
Master task cyclic or periodic	X	X	X	X ⁽²⁾	X ⁽²⁾
Fast task periodic	X	X	X	X	X
Auxiliary tasks periodic	2	2	-	2	-
Program Unit	X	X	X	X	X
Maximum size of a section	⁽¹⁾	⁽¹⁾	⁽¹⁾	⁽¹⁾	⁽¹⁾
I/O type event processing	64	128	-	128	-
Timer type event processing	32	32	-	32	-
Total of I/O type and Timer type event processing	64	128	-	128	-
X or Value: Available tasks or processes (Value is the maximum number). -: Unavailable tasks or processes. (1) Depends on the available processor memory. (2) + a dedicated SAFE task.

The following tables describe the available tasks and processes for Momentum:

Tasks Processes	Momentum Processors
Tasks Processes	171 CBU 78090 171 CBU 9809•
Master task cyclic or periodic	X
Fast task periodic	-
Auxiliary tasks periodic	-
Program Unit	-
Maximum size of a section	⁽¹⁾
I/O type event processing	-
Timer type event processing	-
Total of I/O type and Timer type event processing	-
X or Value: Available tasks or processes (Value is the maximum number). -: Unavailable tasks or processes. (1) Depends on the available processor memory. (2) + a dedicated SAFE task.