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14. OPTIONS AND AUXILIARY EQUIPMENT
14.1.5 Junction terminal block (MR-TB20)
POINT
When using the junction terminal block, you cannot use SG of CN1A-20
and CN1B-20. Use SG of CN1A-4 and CN1B-4.
(1) How to use the junction terminal block
Always use the junction terminal block (MR-TB20) with the junction terminal block cable (MR-J2TBL
M) as a set. A connection example is shown below.
Servo amplifier
Junction terminal bloc
k
MR-TB20
CN1A
or
CN1B
Cable clamp
(AERSBAN- ESET)
Junction terminal
block cable
(MR-J2TBL M)
Ground the junction terminal block cable on the junction terminal block side with the standard
accessory cable clamp fitting (AERSBAN-
ESET). For the use of the cable clamp fitting, refer to
section 13.2.6, (2)(c).
(2) Terminal labels
The junction terminal block does not include the terminal block labels which indicate the signal
layouts for MR-J2S-CP. Cut off the terminal block label in Appendix 2 at the dotted line and fold it up
at the centerline for use.
0
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
1) For CN1A
0
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2) For CN1B
P
P
L
G
O
P
C
C
O
M
P
G
P
1
5
R
N
P
N
G
S
G
D
O
G
S
D
Z
P
C
P
O
V
C
M
E
N
D
S
G
S
T
1
T
L
A
V
D
D
L
G
D
I
O
S
T
2
M
D
0
P
1
5
R
D
I
1
L
S
P
C
O
M
S
O
N
A
L
M
S
D
L
S
N
R
D
(3) Outline drawing
[Unit: mm]
([Unit: in.])
6
0
(
2
.
3
6
)
7
5
0
(
1
.
9
7
)
117(4.61)
126(4.96)
(
0
.
2
8
)
MITSUBISHI
MR-TB20
46.2(1.82)
Terminal screw: M3.5
Applicable cable: Max. 2mm
(Crimping terminal width: 7.2mm (0.283 in) max.)
2
2- 4.5(0.18)
B1
B10
A1
A10
1510 11
12
14
13
4
012
3
5
6
7
89
16
17 18
19
Terminal
block No.