Grayhill Human Interface Optical Encoders 61A Series - Manual (Page 2)

Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Optical and Mechanical
Encoders
Optical Encoders
CirCuitry
SPeCiFiCAtionS
ratings
operating Voltage: 5 ±.25V DC
Supply Current: 85 mA maximum at 5V DC
Life: 1 million cycles of operation; 1 cycle is
rotation through all positions and a full return
rotational torque: 12 ±4 in-oz (initial)
output High: 3.8V minimum for CMOS &
HCMOS; 2.7V minimum for TTL
output Low: 0.8V maximum
Shaft Push out Force: 25 lbs.
mounting torque: 10 in-lb maximum
Load Current: 5 mA maximum per channel
Logic rise and Fall times: 30 mSec typical
trutH tABLe
+5 VOLTS
BIT 0
BIT 1
BIT 2
BIT 3
BIT 4
GROUND 1
2
3
4
5
6
7
R*
R*
R*
R*
R*
* EXTERNAL PULL-UP RESISTORS REQUIRED FOR OPERATION (4.7k)
4 Bit, 16 PoSition
Position
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
B1 B2 B3 B4
INDICATES LOGIC HIGH
BLANK INDICATES LOGIC LOW
3 Bit, 8 PoSition
Position
1
2
3
4
5
6
7
8
B2 B3 B4
INDICATES LOGIC HIGH
BLANK INDICATES LOGIC LOW
Position
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
B0 B1 B2 B3 B4
5 Bit, 32 AnD 24 PoSition
INDICATES LOGIC HIGH
BLANK INDICATES LOGIC LOW
Series
Style: A = Absolute position sensing
number of positions: 32 = 32 positions with 10° of throw
24 = 24 positions with 12° of throw
16 = 16 positions with 18° of throw
8 = 8 positions with 36° of throw
61A32-060
termination: 060 = 6.0 inches cable terminated with Molex connector P/N 14-56-2074.
orDering inFormAtion
Available from your local grayhill Component Distributor.
For prices and discounts, contact a local sales office, an authorized local distributor, or Grayhill direct.
environmental
operating temp. range: -40°C to +85°C
Storage temp. range: -55°C to +100°C
Vibration: MIL-STD 202, method 204, cond. B
mechanical Shock: 100 g’s, 6 ms, half Sine
12.3 ft/s and 100 g’s, 6 ms, sawtooth, 9.7 ft/s
Humidity: 90-95% relative humidity at
40°C for 96 hrs.
materials and Finishes
Detent Housing: Stainless Steel
Bushing: Brass, tin/zinc plated
Shaft: Stainless steel
Detent Balls: Steel, nickel-plated
Code Housings: Nylon 6/10
Backplate: Nylon 6/10
Aperture: Chemically etched stainless steel with
black oxide finish
rotor: Electroformed nickel and chemically
etched stainless steel with black oxide finish
Detent Springs: Tinned music wire
PC Boards: NEMA grade FR-4
through Bolts: Stainless steel, unplated
through Bolt nuts: Stainless steel
mounting Hardware: One brass, tin/zinc-
plated nut and one stainless steel, zinc-plated
lockwasher supplied with each switch. Nut is
0.094 inch thick by 0.562 inch across flats.