Rockwell Automation 845S Incremental Encoder - Manual

Obsolete
Installation Instructions
Size 25 Incremental Encoder, Bulletin 845S
IMPORTANT: SAVE THESE INSTRUCTIONS FOR FUTURE USE.
Specifications
Electrical
Code Format Incremental, 2 channels with zero index
Quadrature 90 ° ± 22 ° , Channel A leads B CCW
Symmetry 50% ± 10%
Zero Index Channel 1/2 cycle, gated to channel B
Power
Requirements
Determined by catalog number:
5V DC ± 5% @ 150mA maximum
8-24V DC @ 150mA maximum
Frequency
Response
Data: 100kHz
Zero index: 100kHz
Operating Speed
(Data)
(100kHz x 60)/pulses per revolution = RPM or
6000 RPM, whichever is lower
Resolution Up to 5000 PPR on code disk
Output Drive
Capability
Differential line driver = ± 20mA
Mechanical
Starting &
Running Torque
2.5Ncm typical (3.5inĆoz)
Moment of Inertia 15gcm 2 (2.1 x 10 Ć4 ozĆinĆsec 2 )
Slew Speed 6000 RPM
Shaft Loading
(3/8I & 10mm Dia.)
Axial 89N (20lbs) (10lbs 5000 PPR)
Radial 178N (40lbs) (20lbs 5000 PPR)
Shaft Size 6mm, 10mm, 6.4mm (1/4in) 9.517mm (3/8in) diameter
Environmental
Housing NEMA Type 4, 13, IP66 (IEC 529)
Temperature 0 ° C to +60 ° C (+32 ° F to +140 ° F)Ċoperating
-25 ° C to +90 ° C (-13 ° F to +194 ° F)Ċstorage
Humidity 98%, noncondensing
Shock 50g (11ms duration)
Vibration 20g (58 to 2000Hz), 1.5mm displacement (5 to 58Hz)
Approximate
Shipping Weight
0.91kg (2lbs)
Accessories
Description Part Number
High Performance Flexible Coupling 845-FC-*-*
Measuring Wheels 845-MW-A-*
Servo Clamps 845-SC
PreĆWired Cables 845-CA-K-*
Mating Connectors 845-10P
Differential Encoder Buffer Board 845-BB
*See the Sensors catalog for selection.
ATTENTION: The shielded cables, output devices,
and power supplies must be properly grounded. All
National Electric Code and applicable local codes
and ordinances must be observed when wiring the
system.
Selection
845S — S J H Z 1 4 CR Y 2 C
a b c d e f g
2
A
Resolution
Code Description (PPR)
CB 60
50 CA
64 CE
80 CF
DB 120
100 CG
180 EB
200 CH
CC 254
250 CJ
256 CW
300 EG
CK 360
400 CL
500 CM
DW 512
600 EH
900 LG
1000 CN
1024 FW
1200 EL
CD 1250
1600 FL
1800 CP
DN
2000
2048
CS
HL 2400
2500
CR
2540 CY
CT
3600
5000
DR
a
b
Shaft Options Ê
Code Description
B 10mm Diameter
6mm Diameter
Z 3/8in Diameter
1/4in Diameter C
L 10mm w/Flat
6mm w/Flat K
M 1/4in w/Flat
3/8in w/Flat
N
f
e
c
d
g
Connector Options
Code Description
C With Mating Connector Î
Without Mating Connector Î Blank
1m (3.28ft) Cable Length Ï 1
5
9
5m (16.4ft) Cable Length Ï
9m (29.52ft) Cable Length Ï
Mounting
Configuration
Code Description
E 70mm Diameter Flange
Square Flange D
G Metric Servo 48mm B.C.
90mm Diameter Flange F
J Metric Servo 42mm B.C.
English Servo H
Power Supply
Code Description
8-24V DC Unregulated
5V DC ± 5% 1
Ê Standard catalog numbers consist
of either English Mounting
Configurations with English Shaft
Options or Metric Mounting
Configurations with Metric Shaft
Options.
Ë DLD = Differential Line Driver
Ì Can not be ordered with 5V DC
power supply (code 1 above)
Î These options not available with
Connection Options code: “A” & “R.”
Ï These options not available with
Connection Options code: “1” & “2.”
Output Configuration
Ë
Code Description
DLD 5V DC RS-422 4
Connection Options
Code Description
2 Radial Connector (Side)
Axial Connector (End) 1
R Radial Cable (Side)
Axial Cable (End) A
RF 1280
3/8in w/Double Flat P
DLD 8-24V DC Ì 6
CU 1472