Rockwell Automation 845GM Absolute Encoder, Size 20 - Manual (Page 2)

2
Accessories
Description Part Number
High Performance Flexible Coupling 845-FC-*-*
Measuring Wheels 845-MW-A-*
Servo Clamps 845-SC
*See Sensors catalog for selection.
Number of Pins Mating Connector PreĆWired Cable
12 845-12P 845-CA-G-**
19 845-SCD 845-CA-D-**
Electrical Connections—19 Pin Connector (Gray code or natural binary)
Pin
845-CA-D-__
Wire Color
32768
(15 Bit)
16384
(14 Bit)
8192
(13 Bit)
4096
(12 Bit)
2048
(11 Bit)
1024
(10 Bit)
360 and
512 (9 Bit)
0256
(8 Bit)
A Brown G(0) or 2 0 G(0) or 2 0 G(0) or 2 0 N/C N/C G(0) or 2 0 G(0) or 2 0 G(0) or 2 0
B Orange G(1) or 2 1 G(1) or 2 1 G(1) or 2 1 G(0) or 2 0 N/C G(1) or 2 1 G(1) or 2 1 G(1) or 2 1
C Yellow G(2) or 2 2 G(2) or 2 2 G(2) or 2 2 G(1) or 2 1 G(0) or 2 0 G(2) or 2 2 G(2) or 2 2 G(2) or 2 2
D Green G(3) or 2 3 G(3) or 2 3 G(3) or 2 3 G(2) or 2 2 G(1) or 2 1 G(3) or 2 3 G(3) or 2 3 G(3) or 2 3
E Blue G(4) or 2 4 G(4) or 2 4 G(4) or 2 4 G(3) or 2 3 G(2) or 2 2 G(4) or 2 4 G(4) or 2 4 G(4) or 2 4
F Violet G(5) or 2 5 G(5) or 2 5 G(5) or 2 5 G(4) or 2 4 G(3) or 2 3 G(5) or 2 5 G(5) or 2 5 G(5) or 2 5
G Gray G(6) or 2 6 G(6) or 2 6 G(6) or 2 6 G(5) or 2 5 G(4) or 2 4 G(6) or 2 6 G(6) or 2 6 G(6) or 2 6
H White G(7) or 2 7 G(7) or 2 7 G(7) or 2 7 G(6) or 2 6 G(5) or 2 5 G(7) or 2 7 G(7) or 2 7 G(7) or 2 7
J White/Orange G(8) or 2 8 G(8) or 2 8 G(8) or 2 8 G(7) or 2 7 G(6) or 2 6 G(8) or 2 8 G(8) or 2 8 N/C
K White/Brown G(9) or 2 9 G(9) or 2 9 G(9) or 2 9 G(8) or 2 8 G(7) or 2 7 G(9) or 2 9 N/C N/C
L White/Red G(10) or 2 10 G(10) or 2 10 G(10) or 2 10 G(9) or 2 9 G(8) or 2 8 Direction Ë Direction Ë Direction Ë
M White/Yellow G(11) or 2 11 G(11) or 2 11 G(11) or 2 11 G(10) or 2 10 G(9) or 2 9 N/C N/C N/C
N White/Green G(12) or 2 12 G(12) or 2 12 G(12) or 2 12 G(11) or 2 11 G(10) or 2 10 N/C N/C N/C
P White/Blue G(13) or 2 13 G(13) or 2 13 N/C Direction Ë Direction Ë N/C N/C N/C
R White/Black G(14) or 2 14 Reset Reset Reset Reset Reset Reset Reset
S White/Violet Direction Ë Direction Ë Direction Ë N/C N/C N/C N/C N/C
T Black DC Common DC Common DC Common DC Common DC Common DC Common DC Common DC Common
U White/Gray
Latch Control
Ê
Latch Control
Ê
Latch Control
Ê
Latch Control
Ê
Latch Control
Ê
Latch Control
Ê
Latch Control
Ê
Latch Control
Ê
V Red +DC +DC +DC +DC +DC +DC +DC +DC
Ê Latch control not available with Gray Code or SSI output. On Gray Code encoders this pin is not connected (N/C).
Ë Important—The Direction pin function provides Direction Control for Binary Coded Decimal and Natural Binary or MSBC for parallel Gray Code. See next page for
further detail.
Electrical Connections—19 Pin Connector (Binary Coded Decimal)
Pin 845-CA-D-___ Wire Color 1000 BCD (12 Bit) 360 BCD (10 Bit)
V Red +DC +DC
A Brown 1 1
B Orange 2 2
C Yellow 4 4
D Green 8 8
E Blue 10 10
F Violet 20 20
G Gray 40 40
H White 80 80
J White/Orange 100 100
K White/Brown 200 200
L White/Red 400 N/C
M White/Yellow 800 N/C
N White/Green N/C N/C
P White/Blue N/C N/C
R White/Black Direction Control Direction Control
S White/Violet Reset Reset
T Black DC Common DC Common
U White/Gray Latch Control Latch Control