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Absolute encoders - SSI
Shaft with clamping or synchro flange Optical singleturn encoder 14 bit
GA240, GA241 - SSI
Features - Encoder singleturn / SSI - Optical sensing - Resolution: 14 bit - Clamping flange or synchro flange - Permanent check of code continuity - Extreme resistance to shock and vibration - Encoder with electronic reset
GA240 with clamping flange Technical data - electrical ratings Voltage supply Consumption w/o load Initializing time (typ.) Interface Steps per turn Absolute accuracy Sensing method Code Code sequence Inputs 10...30 VDC 50 mA (24 VDC) 20 ms after power on SSI 16384 / 14 bit 0.025 Optical Gray or binary CW/CCW coded by connection SSI clock Control signals UP/DOWN and zero SSI data linedriver RS485 Diagnostic outputs push-pull DIN EN 61000-6-2 DIN EN 61000-6-4 Self-diagnosis Code continuity check UL approval / E63076 Reverse polarity protection Yes Technical data - mechanical design Housing Protection DIN EN 60529 Operating speed Rotor moment of inertia Admitted shaft load Materials Operating temperature Relative humidity Resistance o58 mm IP 54 without shaft seal IP 65 with shaft seal 10000 rpm (mechanical) 6000 rpm (electric) 14.5 gcm 20 N axial 40 N radial Housing: aluminium Flange: aluminium -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 250 g Connector or cable o10 mm Clamping flange 0.015 Nm IP 54 0.03 Nm IP 65 o6 mm Synchro flange 0.01 Nm IP 54 0.015 Nm IP 65
Interference immunity Emitted interference Diagnostic functions Approval
Weight approx. E-connection GA240 - SSI Shaft Flange Starting torque GA241 - SSI Shaft Flange Starting torque
1
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29/10/2008
Subject to modification in technic and design. Errors and omissions excepted.
Output circuit
Shaft with clamping or synchro flange Optical singleturn encoder 14 bit
Absolute encoders - SSI
GA240, GA241 - SSI
Part number Clamping flange GA240. 05 E-connection Connector M23, 12-pin, axial Connector M23, 12-pin, radial Cable 1 m, axial Cable 1 m, radial 30 32 90 92 Synchro flange GA241. 05 E-connection Connector M23, 12-pin, axial Connector M23, 12-pin, radial Cable 1 m, axial Cable 1 m, radial
A0 A1 11 21 30 32 90 92
A0 A1 11 21
Voltage supply / signals 10...30 VDC / gray code 13 bit 10...30 VDC / binary code 13 bit 10...30 VDC / gray code 14 bit 10...30 VDC / binary code 14 bit
Voltage supply / signals 10...30 VDC / gray code 13 bit 10...30 VDC / binary code 13 bit 10...30 VDC / gray code 14 bit 10...30 VDC / binary code 14 bit
Flange / Shaft 0 Clamping flange / o10 mm IP 54 A Clamping flange / o10 mm IP 65 Data transfer tp T=1/f clock data tv
bit n bit n-1 bit 3 bit 2 bit 1
Flange / Shaft 1 Synchro flange / o6 mm IP 54 B Synchro flange / o6 mm IP 65 Accessories Connectors and cables (page %S) Z 130.001 Z 130.003 Z 130.005 Z 130.007 Z 119.006 Z 119.013 Z 119.017 Z 119.025 Female connector M23, 12-pin, less cable Female connector M23, 12-pin, 2 m cable Female connector M23, 12-pin, 5 m cable Female connector M23, 12-pin, 10 m cable Eccentric fixing, single Adaptor plate for clamping flange for modification into synchro flange Mounting angle for clamping flange Adaptor plate for clamping flange, mounting by eccentric fixings (order separately) Eccentric fixing, single Mounting adaptor for synchro flange Bearing flange for encoders with synchro flange
tm
Mounting accessories for GA240 - SSI (page %S) 62.5...1500 kHz 40...60 % 150 ns 25 s + T/2 30 s
Clock frequency f Scan ratio of T Time lag tv Monoflop time tm Clock interval tp
Mounting accessories for GA241 - SSI (page %S) Z 119.006 Z 119.015 Z 119.035
2
www.baumerivo.com
29/10/2008
Subject to modification in technic and design. Errors and omissions excepted.
Absolute encoders - SSI
Shaft with clamping or synchro flange Optical singleturn encoder 14 bit
GA240, GA241 - 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- forms 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+ forms a current loop. A current of approx. 7 mA towards clock- input means logic 0 in positive logic. Input for setting a zero point anywhere within the programmed encoder resolution. The zero setting operation is triggered by a High impulse and has to be in line with the selected direction of rotation (UP/DOWN). Connect to GND after setting operation for maximum interference immunity. Impulse duration >100 ms. Diagnostic output. An error warning is given at level Low. Important: Interferences must be drained by the downstram electronics. UP/DOWN counting direction input. This input is standard on High. UP/DOWN means ascending output data with clockwise shaft rotation when looking at flange. UP/DOWN-Low means ascending values with counterclockwise shaft rotation when looking at flange. 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 Core colour brown black blue beige green yellow violet pink black/yellow - - Assignment UB GND Clock+ Data+ Zero setting DataClockUP/DOWN - - - Please use cores twisted in pairs (for example clock+ / clock-) for extension cables of more than 10 m length.
brown/yellow DATAVALID
Clock-
Zero setting
8 7 6 5 12
91 10 11 2 3 4
DATAVALID
Trigger level SSI SSI-Clock SSI-Data Control inputs Input level High Input level Low Input resistance Diagnostic outputs Output level Low Load Low Circuit Optocoupler Linedriver RS485 Input circuit >0.7 UB <0.3 UB 10 k Output circuit NPN-OC 10 k against UB <0.5 V (I = 20 mA) <20 mA
Subject to modification in technic and design. Errors and omissions excepted. 29/10/2008
UP/DOWN
3
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Shaft with clamping or synchro flange Optical singleturn encoder 14 bit
Absolute encoders - SSI
GA240, GA241 - SSI
Dimensions GA240 SSI clamping flange 48 0.1 M3x7 (3x120) 46 10 20 15 o10h6 46 10 20 15 o10h6 o36f8 o53 o36f8 o10h6 o36f8 o53 o53
o58
11.5
16
17
3 3
3 3
48 0.1 M3x7 (3x120)
46
10 20 15 o10h6
46
10 20 15
o36f8
o53
o58
3 3 13 16
17
3 3
GA241 SSI synchro flange 420.1 M4x7 (3x120) 4 3 10 9 o6f8 o50h7
GA240, GA241 SSI connector dimensions
Subject to modification in technic and design. Errors and omissions excepted. 29/10/2008
58 59
o52
3
5.5
o58
4
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o58
59
9
9
o58
9
9

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