IVO G1S2B.112B102 Absolute encoders - ssi Datasheet

Absolute encoders - SSI
Hollow shaft max. ø20 mm, SIL3 standard
Optical multiturn encoder 13 bit ST / 12 bit MT
G1S2B - SSI
Features
–– Encoder multiturn / 2 x SSI
–– Optical sensing
–– Resolution: singleturn 13 bit, multiturn 12 bit
–– For safety-relevant applications according SIL3
–– Hollow shaft with ø20 mm and stud screw groove
–– Redundancy by two separate SSI signals
–– High reliability by self-diagnostics
–– Additional incremental output signals
–– SIL Approval: 793480
Technical data - mechanical design
Voltage supply
Housing
ø90 mm
Reverse polarity protection Yes
10...30 VDC
Shaft
ø20 mm hollow shaft
Consumption w/o load
≤60 mA (24 VDC)
Protection DIN EN 60529
IP 54
Initializing time (typ.)
1000 ms after power on
Operating speed
Interfaces
SSI, Incremental A, B + inverted
≤3800 rpm (mechanical)
≤6000 rpm (electric)
Steps per turn
8192 / 13 bit
Rotor moment of inertia
2000 gcm²
Number of turns
4096 / 12 bit
Materials
Incremental output
4096 pulses A90°B
Housing: steel
Flange: steel
Output signals
A, B + inverted
Operating temperature
Absolute accuracy
±0.025°
-25...+85 °C
-40...+85 °C (optional)
Sensing method
Optical
Relative humidity
95 % non-condensing
Code
Binary
Resistance
Code sequence
CW: ascending values with
clockwise sense of rotation
(looking at flange)
DIN EN 60068-2-6
Vibration 10 g, 16-2000 Hz
DIN EN 60068-2-27
Shock 200 g, 6 ms
Weight approx.
1600 g
Inputs
2 x SSI clock (optocoupler
input)
E-connection
Connector, 16-pin
Output circuit
SSI data linedriver RS485
Incremental linedriver RS422
Incremental push-pull
Interference immunity
DIN EN 61000-6-2
Emitted interference
DIN EN 61000-6-4
Diagnostic functions
Self-diagnosis
Code continuity check
Multiturn sensing
Temperature control
Approval
UL approval / E63076
1
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3/11/2008
Technical data - electrical ratings
Subject to modification in technic and design. Errors and omissions excepted.
G1S2B with hollow shaft
Absolute encoders - SSI
Hollow shaft max. ø20 mm, SIL3 standard
Optical multiturn encoder 13 bit ST / 12 bit MT
G1S2B - SSI
Part number
G1S2B.
Accessories
1
Connectors and cables (page %S)
B1
Output circuit
01 Incremental push-pull
02 Incremental linedriver RS422
Z 131.001
Mating connector M23, 16-pin, less cable
Z 131.003
Mating connector M23, 16-pin, 2 m cable
Z 131.005
Mating connector M23, 16-pin, 5 m cable
Z 131.007
Mating connector M23, 16-pin, 10 m cable
Mounting accessories (page %S)
E-connection
B1 Connector M23, 16-pin, radial
Voltage supply / signals
12 10...30 VDC / binary code 25 bit (13+12)
22 10...30 VDC / binary code 22 bit (12+10)
Z 119.037
Rubber buffer element 18.5 mm long, as
torque support
Z 119.039
Set of adjusting angles as torque support
Z 119.040
Shoulder screw M5 as torque support
Z 119.043
Spring coupling for GX and G1
Hollow shaft
1 Hollow shaft ø20 mm with stud screw profile
Data transfer
tp
T=1/f
tm
clock
bit n
bit n-1
bit 3
bit 2
bit 1
Number of data bits
n
Bit n...
Position data (MSB)
...Bit 4
Position data (LSB)
Bit 3
Battery control (1 = low voltage)
Bit 2
Collective error (1 = error state)
Bit 1
Life bit, changing with each
transmission
Clock frequency f
62.5...1500 kHz
Scan ratio of T
40...60 %
Time lag tv
200 ns
Monoflop time tm
20...30 µs
Clock interval tp
200 µs
Subject to modification in technic and design. Errors and omissions excepted.
tv
2
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3/11/2008
data
Absolute encoders - SSI
Hollow shaft max. ø20 mm, SIL3 standard
Optical multiturn encoder 13 bit ST / 12 bit MT
G1S2B - SSI
Terminal significance
Terminal assignment
UB
Encoder voltage supply.
Connector
Assignment
GND
Encoder ground connection relating to UB.
Pin 1
Clock- (1)
Data+
Positive, serial data output of differential
linedriver.
Pin 2
Clock+ (1)
Negative, serial data output of differential
linedriver.
Pin 3
Data+ (1)
Pin 4
Data- (1)
Pin 5
–
Pin 6
–
Pin 7
Clock- (2)
Pin 8
Clock+ (2)
Pin 9
Data+ (2)
Pin 10
Data- (2)
Pin 11
Track A
Pin 12
Track A inv.
Pin 13
Track B
Pin 14
Track B inv.
Pin 15
UB
Pin 16
GND
Clock-
Incremental
Outputs
Positive SSI clock input.
Clock+ together with clock- is forming a
current loop. A current of approx. 7 mA
towards clock+ input means logic 1 in
positive logic.
Negative SSI clock input.
Clock- together with clock+ is forming a
current loop. A current of approx. 7 mA
towards clock- input means logic 0 in
positive logic.
Incremental tracks A 90° B and
inverted signals.
LED status
yellow
Ready for operation, less data
green
Ready for operation, with data
red
DV (Display position error 2.5 s)
green or yellow flashing
DV-BAT (battery low)
red with pulsing in green
After power on:
Self-test error, not ready for
operation
10 11 1
9 16
13 2
12
8 15
14 3
7
4
6 5
Please use cores twisted in pairs
(for example clock+ / clock-) for
extension cables of more than 10 m
length.
Trigger level
SSI
Circuit
SSI-Clock
Optocoupler
SSI-Data
Linedriver RS485
Control input
Input circuit
Input level High
>0.7 UB
Input level Low
<0.3 UB
Input resistance
10 kΩ
Incremental outputs
Output circuit
Linedriver RS422
Output level High
>2.5 V (I = -20 mA)
Output level Low
<0.5 V (I = 20 mA)
Push-pull circuit-proof
3
Output level High
>UB 3.5 V (I = -20 mA)
Output level Low
<0.5 V (I = 20 mA)
Load High
<20 mA
Load Low
<20 mA
www.baumerivo.com
Subject to modification in technic and design. Errors and omissions excepted.
Clock+
3/11/2008
Data-
Absolute encoders - SSI
Hollow shaft max. ø20 mm, SIL3 standard
Optical multiturn encoder 13 bit ST / 12 bit MT
G1S2B - SSI
Dimensions
ø90
ø45
56
6.5
M3 x 6 (2x)
19
11.7
ø60
+0.1
ø20F7
2x
DUO-LED
1
3.4 -0.1
6.5
Subject to modification in technic and design. Errors and omissions excepted.
41
4
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3/11/2008
5G9
59.5
21
M4 x 8 (3x)
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