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Medium- and small-size series [model 2000]

Module positions in base unit

Each module mounting position in base unit is shown here.

Standard configuration

Main base List

This table can be scrolled horizontally.

Main base List
	Slot
	PIF	PS	0	1	2	3	4	5	6	7	8
BU648E	-	-	CPU1	ALL	ALL	ALL	ALL	IO	IO	IO	IO
BU643D	-	-	CPU1	ALL	ALL	ALL
BU610	×	-	CPU3
BU668	-	-	CPU2	IO	IO	IO	IO	IO	IO	IO	IO
BU666	-	-	CPU2	IO	IO	IO	IO	IO
BU664	-	-	CPU2	IO	IO	IO

Expansion base List

This table can be scrolled horizontally.

Expansion base List
	Slot
	PIF	PS	0	1	2	3	4	5	6	7	8
BU668	-	-	×	IO	IO	IO	IO	IO	IO	IO	IO
BU666	-	-	IO	IO	IO	IO	IO	IO
BU664	-	-	IO	IO	IO	IO

PIF: Slot for expansion interface (IF611) PS: Slot for power module 0 to 8: Module mounting slots
CPU1: Slot for CPU module (except S2PU32A, S2PU82)
CPU2: Slot for CPU module (S2PU32A, S2PU82)
CPU3: Slot for CPU module (C2PU37)
IIO: Slot for I/O module, transmission module (I/O bus)
ALL: Slot for CPU module (except S2PU32A, S2PU82), transmission module (station bus, I/O bus), I/O module

Duplex Configuration

Main base List

This table can be scrolled horizontally.

Main base List
	Slot
	PIF	PS	0	1	2	3	4	5	6	7	8
BU648E	-	-	CPU	PUN	PUN	PUN	PUN	×	×	×	×
BU643D	-	-	CPU	PUN	PUN	PUN

Expansion base (first row) List

This table can be scrolled horizontally.

Expansion base (first row) List
	Slot
	PIF	PS	0	1	2	3	4	5	6	7	8
BU668	SP	-	×	IF	IO	IO	IO	IO	IO	IO	IO
BU666	SP	-	IF	IO	IO	IO	IO	IO
BU664	SP	-	IF	IO	IO	IO

Expansion base (second row and up) List

This table can be scrolled horizontally.

Expansion base (second row and up) List
	Slot
	PIF	PS	0	1	2	3	4	5	6	7	8
BU668	-	-	×	IO	IO	IO	IO	IO	IO	IO	IO
BU666	-	-	IO	IO	IO	IO	IO	IO
BU664	-	-	IO	IO	IO	IO

PIF: Slot for expansion IF (IF611) (in first row of expansion base unit) is for mounting SP601 PS: Slot for power module 0 to 8: Module mounting slots
CPU: Slot for CPU module (except S2PU32A, S2PU82)
PUN: Slot for CPU module (except S2PU32A, S2PU82), transmission module (station bus), duplex interface (IF619) IO: Slot for I/O module, transmission module (I/O bus)
IF: Slot for duplex expansion interface (IF658)

Module mounting positions

CPU modules List

This table can be scrolled horizontally.

CPU modules List
	Slot occupancy	Mounting slot
	Slot occupancy	BU648E	BU643D	BU610	BU668	BU666	BU664
S2PU72A	1	0 to 4	0 to 3	×	×	×	×
S2PU32A	1	×	×	×	0	0	0
S2PU82	1	0 to 4	0 to 3	×	×	×	×
L2PU11	2	0 to 4	0 to 2	×	×	×	×
L2PU12	2	0 to 4	0 to 2	×	×	×	×
L2PU22	2	0 to 4	0 to 2	×	×	×	×
C2PU37	2	0 to 4	0 to 2	0	×	×	×

＊1 Install at least one CPU module in the leftmost slot.
＊2 Install an S module in the leftmost slot (0).

Expansion I/F modules List

This table can be scrolled horizontally.

Expansion I/F modules List
	Mounting slot
	BU648E	BU643D	BU610	BU668	BU666	BU664
IF661	PIF		×	PIF
IF619	1 to 4	1 to 3	×	×	×	×
IF658(*1)	×	×	×	1	0	0

＊1 Use only the first row for expansion units in a system of duplex configuration.

Transmission modules

This table can be scrolled horizontally.

Transmission modules
	Mounting slot
	BU648E	BU643D	BU610	BU668	BU666	BU664
EN651A	1 to 4	1 to 3	×	×	×	×
EN661	1 to 4	1 to 3	×	×	×	×
FN611	1 to 4	1 to 3	×	×	×	×
EN611	1 to 4	1 to 3	×	×	×	×
EN621	1 to 4	1 to 2	×	×	×	×
EB621(*1)	EN621 + 1	EN621 + 1	×	×	×	×
EN631	1 to 4	1 to 3	×	×	×	×
EN641	1 to 4	1 to 2	×	×	×	×
EB641(*1)	EN641 + 1	EN641 + 1	×	×	×	×
CN611	1 to 4	1 to 3	×	×	×	×
CN612	1 to 4	1 to 3	×	×	×	×
SN621	5 to 8	×	×	1 to 8	0 to 5	0 to 3
SN622	5 to 8	×	×	1 to 8	0 to 5	0 to 3
UN611	5 to 8	×	×	1 to 8	0 to 5	0 to 3
UN612	5 to 8	×	×	1 to 8	0 to 5	0 to 3
DN611A	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
FL611	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
FL612	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
FL654	×	×	×	0	0	0

＊1 Connect EB621/EB641 to EN621/ EN641 with a standard cable of 70 mm. Therefore, their basic mounting slot is the next one rightward, but they may be installed in a desired base unit and desired slots using a cable up to 3 meters long. In this case, however, care must be taken to keep the drop cables of the line B modules free from the effect of noise.

I/O modules List

This table can be scrolled horizontally.

I/O modules List
	Ã Mounting slot
	BU648E	BU643D	BU610	BU668	BU666	BU664
DI632D	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DI633	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DI653	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DI634	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DI635	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DI635H	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
IN653	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
IN663	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DO633	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DO633P	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DO634	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DO635	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
AC663	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
RO662S	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
RO663	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
CD633(*1)	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
AD624L	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
AD634L	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
AD624	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
AD674	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
AD628S	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
AD638S	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
AD668	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
TC618	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
RT614	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DA622L	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DA622	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DA672	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
DA664	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
PI632(*2)	5 to 8	×	×	1 to 8	0 to 5	0 to 3
PI672(*2)	5 to 8	×	×	1 to 8	0 to 5	0 to 3
MC612	5 to 8	×	×	1 to 8	0 to 5	0 to 3
MC614	1 to 8	1 to 3	×	1 to 8	0 to 5	0 to 3
CF611	5 to 8	×	×	1 to 8	0 to 5	0 to 3

＊1 In case of using CD633, install it in the base unit where a CPU module is installed.
＊2 In case of using the interrupt function of PI632 or PI672, install it in the base unit where a CPU module is installed.

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