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Absolute encoders - SSI
Hollow shaft max. o20 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 o20 mm and stud screw groove - Redundancy by two separate SSI signals - High reliability by self-diagnostics - Additional incremental output signals - SIL Approval: 793480
G1S2B with hollow shaft Technical data - electrical ratings Voltage supply Consumption w/o load Initializing time (typ.) Interfaces Steps per turn Number of turns Incremental output Output signals Absolute accuracy Sensing method Code Code sequence 10...30 VDC 60 mA (24 VDC) 1000 ms after power on SSI, Incremental A, B + inverted 8192 / 13 bit 4096 / 12 bit 4096 pulses A90B A, B + inverted 0.025 Optical Binary CW: ascending values with clockwise sense of rotation (looking at flange) 2 x SSI clock (optocoupler input) SSI data linedriver RS485 Incremental linedriver RS422 Incremental push-pull DIN EN 61000-6-2 DIN EN 61000-6-4 Self-diagnosis Code continuity check Multiturn sensing Temperature control UL approval / E63076 Reverse polarity protection Yes Technical data - mechanical design Housing Shaft Protection DIN EN 60529 Operating speed Rotor moment of inertia Materials Operating temperature Relative humidity Resistance o90 mm o20 mm hollow shaft IP 54 3800 rpm (mechanical) 6000 rpm (electric) 2000 gcm Housing: steel Flange: steel -25...+85 C -40...+85 C (optional) 95 % non-condensing DIN EN 60068-2-6 Vibration 10 g, 16-2000 Hz DIN EN 60068-2-27 Shock 200 g, 6 ms 1600 g Connector, 16-pin
Weight approx. E-connection
Inputs Output circuit
Interference immunity Emitted interference Diagnostic functions
Approval
1
www.baumerivo.com
3/11/2008
Subject to modification in technic and design. Errors and omissions excepted.
Hollow shaft max. o20 mm, SIL3 standard Optical multiturn encoder 13 bit ST / 12 bit MT
Absolute encoders - SSI
G1S2B - SSI
Part number G1S2B. 1 B1 Output circuit 01 Incremental push-pull 02 Incremental linedriver RS422 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) Hollow shaft 1 Hollow shaft o20 mm with stud screw profile Data transfer tp T=1/f clock data tv
bit n bit n-1 bit 3 bit 2 bit 1
Accessories Connectors and cables (page %S) Z 131.001 Z 131.003 Z 131.005 Z 131.007 Z 119.037 Z 119.039 Z 119.040 Z 119.043 Mating connector M23, 16-pin, less cable Mating connector M23, 16-pin, 2 m cable Mating connector M23, 16-pin, 5 m cable Mating connector M23, 16-pin, 10 m cable Rubber buffer element 18.5 mm long, as torque support Set of adjusting angles as torque support Shoulder screw M5 as torque support Spring coupling for GX and G1
Mounting accessories (page %S)
tm
Number of data bits Bit n... ...Bit 4 Bit 3 Bit 2 Bit 1
n Position data (MSB) Position data (LSB) Battery control (1 = low voltage) Collective error (1 = error state)
Subject to modification in technic and design. Errors and omissions excepted.
Life bit, changing with each transmission 62.5...1500 kHz 40...60 % 200 ns 20...30 s 200 s
Clock frequency f Scan ratio of T Time lag tv Monoflop time tm Clock interval tp
2
www.baumerivo.com
3/11/2008
Absolute encoders - SSI
Hollow shaft max. o20 mm, SIL3 standard Optical multiturn encoder 13 bit ST / 12 bit MT
G1S2B - SSI
Terminal significance UB GND Data+ DataClock+ Encoder voltage supply. Encoder ground connection relating to UB. Positive, serial data output of differential linedriver. Negative, serial data output of differential linedriver. 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. Terminal assignment Connector Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10 Pin 11 Pin 12 Pin 13 Pin 14 Pin 15 Pin 16 Ready for operation, less data Ready for operation, with data DV (Display position error 2.5 s) DV-BAT (battery low) After power on: Self-test error, not ready for operation
10 11 1 9 16 13 2 12 8 15 14 3 7 4 65
Assignment Clock- (1) Clock+ (1) Data+ (1) Data- (1) - - Clock- (2) Clock+ (2) Data+ (2) Data- (2) Track A Track A inv. Track B Track B inv. UB GND Please use cores twisted in pairs (for example clock+ / clock-) for extension cables of more than 10 m length.
Clock-
Incremental Outputs LED status yellow green red
green or yellow flashing red with pulsing in green
Trigger level SSI SSI-Clock SSI-Data Control input Input level High Input level Low Input resistance Incremental outputs Output level High Output level Low Output level High Output level Low Load High Load Low Circuit Optocoupler Linedriver RS485 Input circuit >0.7 UB <0.3 UB 10 k Output circuit Linedriver RS422 >2.5 V (I = -20 mA) <0.5 V (I = 20 mA) Push-pull circuit-proof >UB 3.5 V (I = -20 mA) <0.5 V (I = 20 mA) <20 mA <20 mA
Subject to modification in technic and design. Errors and omissions excepted. 3/11/2008
3
www.baumerivo.com
Hollow shaft max. o20 mm, SIL3 standard Optical multiturn encoder 13 bit ST / 12 bit MT
Absolute encoders - SSI
G1S2B - SSI
Dimensions o90 o45 o20F7 2x DUO-LED 1
56 6.5 M3 x 6 (2x)
19
M4 x 8 (3x) 59.5
5G9
21
6.5 41
3.4 -0.1
11.7 o60
+0.1
4
www.baumerivo.com
3/11/2008
Subject to modification in technic and design. Errors and omissions excepted.

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