Chapter 2 System Migration Procedures
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2.3.2 Base Unit
There are two types of available base unit when the T3 series G3 I/O module is changed
to the G2 I/O module for migration to PUM11/PUM12:
Migration specific base unit BUM7B
type1 light standard base unit
The T-PDS conversion tool selects migration specific base unit BUM7B by default.
Change the option of the T-PDS conversion tool for selecting the type1 light standard
base unit.
Table 2.24 T3 series base unit conversion (G2 I/O module)
After conversion
Before conversion
nv controller type1 light
BUM7B BU648E BU643D BU668 BU666 BU664
T3
series
T3/T3H
BU31A ○ ○ ○ ○ ○ ○
BU315 ○ ○ ○ ○ ○ ○
Expansion
BU35B ○
✕ ✕
○ ○ ○
BU356 ○
✕ ✕
○ ○ ○
○: Selectable, ×: Not selectable
Table 2.25 Comparison of base unit specifications
T3 series nv controller type1 light
BU31A BU315 BU35B BU356 BUM7M BU648E BU643D BU668 BU666 BU664
CPU mountable slot PU PU ☓ ☓ S0 S0 S0 S0 S0 S0
Mountable CPU T3/T3H T3/T3H ☓ ☓ PUM12/
GA922
PUM12
PUM11
PUM12
PUM11
PUM11/
GA922
PUM11/
GA922
PUM11/
GA922
I/O mountable slot on
main base unit
0-9
(10 slots)
0-4
(5 slots)
☓ ☓ PUM12:
S1-S10
(10 slots)
S1-S8
(8 slots)
S1-S3
(3 slots)
PUM11:
S1-S8
(8 slots)
PUM11:
S1-S5
(5 slots)
PUM11:
S1-S3
(3 slots)
I/O mountable slot on
extended base unit
☓ ☓ 0-10
(11 slots)
0-5
(6 slots)
☓ ☓ ☓ S1-S8
(8)
S0-S5
(6 slots)
S0-S3
(4 slots)
I/O mountable slot on
remote base unit
☓ ☓ ☓ ☓ GA922:
S1-S11
(11 slots)
☓ ☓ GA922:
S1-S8
(8 slots)
GA922:
S1-S5
(5 slots)
GA922:
S1-S3
(3 slots)
Station bus slot ☓ ☓ ☓ ☓ ☓ S0-S4
(5 slots)
S0-S3
(3 slots)
☓ ☓ ☓
Expansion interface slot ○ ○ ○ ○ ☓ ○ ○ ○ ○ ○
External dimensions
W☓H☓D
*1
(mm)
480☓
250☓
110
302☓
250☓
110
480☓
250☓
110
302☓
250☓
110
480☓
250☓
167,5
417☓
135☓
115
238.5☓
135☓
115
417☓
135☓
115
295.5☓
135☓
115
238.5☓
135☓
115
○: Provided
x: Not provided
Conversion to migration specific base unit BUM7B is recommended.
*1: Dimension D other than that for BUM7B indicates the depth of I/O module to the front
side.