Rockwell Automation 845T Size 20 Incremental Encoder, Installation Instructions - Manual (Page 4)

4
Dimensions—mm (inches)
A
B
47 (1.85) Dia.
19 (0.75)
Servo Mount
2.54 (0.100)
3.02 (0.12)
10--32 UNF--2B x
5.6 (0.22) Deep on
a 41.3 (1.625) Dia.
Bolt Circle, 4
Places—90 ° Apart
4--40 UNC--
2B x 5.6 (0.22)
Deep on a 38 (1.500)
Dia. Bolt Circle,
3 Places—120 ° Apart
M4 x 5mm Deep on a
42mm Bolt Circle, 3
Places—120 ° Apart
Face Mount Holes
Optional
47.1
(1.85) Max
50.8 (2.0) Dia.
31.72 (1.249) Dia.
A
7.6 (0.300)
B
Square Flange Mount
3.96 (0.156) Dia.
4 Mtg. Holes
44.5
(1.75)
22
(0.875)
26.2 (1.03)
52.3 (2.06) Sq.
22 (0.875)
44.5 (1.75)
3.0 (0.12)
47.1 (1.85)
Max.
31.72 (1.249) Dia.
19 (0.75)
Connector Dimensions
Dimension Code Radial Connector Options Length
A
ACS02E14S--6P (6 pin) 2.272 (57.7)
ACS02E16S--1P (7 pin) 2.460 (62.5)
ACS02E18--1P (10 pin) 2.691 (68.9)
Shaft Diameter Dimensions
Dimension Code Shaft Diameter Options
B
0.3749 +0.0000, --0.0005 (9.52) Diameter
0.2499 +0.0000, --0.0005 (6.35) Diameter
10 mm +0.000 mm, --0.013 mm Diameter
6 mm +0.000 mm, --0.013 mm Diameter
Flat Dimensions
Code Dimension “A”
K 5.3mm (0.21in) 18.3
(0.72)
3/8I Dia. Double Flat
Shaft
9.1
(0.36)
19.05
(0.75)
Shaft with Flat Option
A
L 9.1mm (0.36in)
M 5.5mm (0.22in)
N 8.6mm (0.34in)
Publication 75008--187--01(A)
November 2003
Printed in USA