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| Absolute encoders - SSI Shaft with clamping or synchro flange Magnetic multiturn encoder 12 bit ST / 12 bit MT GCM2W - SSI Features - Encoder multiturn / SSI - Magnetic sensing - Resolution: singleturn 12 bit, multiturn 12 bit - Clamping flange or synchro flange - Encoder for heavy-duty applications - Extreme compact design - New innovative sensing technology - Electronic setting of zero point GCM2W with clamping flange Technical data - electrical ratings Voltage supply Consumption w/o load Initializing time (typ.) Interface Steps per turn Number of turns Absolute accuracy Sensing method Code Code sequence Inputs 10...30 VDC 60 mA (24 VDC) 200 ms after power on SSI 4096 / 12 bit 4096 / 12 bit 1 Magnetic 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 Multiturn sensing UL approval / E63076 Reverse polarity protection Yes Technical data - mechanical design Housing Shaft Flange Protection DIN EN 60529 Operating speed Starting torque Rotor moment of inertia Admitted shaft load Materials Operating temperature Relative humidity Resistance o58 mm o10 mm (clamping flange) o6 mm (synchro flange) Clamping or synchro flange IP 54 without shaft seal IP 65 with shaft seal 10000 rpm (mechanical) 6000 rpm (electric) 0.015 Nm IP 54 0.03 Nm IP 65 20 gcm 20 N axial 40 N radial Housing: steel 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 400 g Connector, 12-pin Output circuit Interference immunity Emitted interference Diagnostic functions Approval Weight approx. E-connection 1 www.baumerivo.com 30/10/2008 Subject to modification in technic and design. Errors and omissions excepted. Shaft with clamping or synchro flange Magnetic multiturn encoder 12 bit ST / 12 bit MT Absolute encoders - SSI GCM2W - SSI Part number GCM2W. 01 E-connection A0 Connector M23, 12-pin, axial A1 Connector M23, 12-pin, radial 10 12 20 22 0 A 1 B 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 130.001 Z 130.003 Z 130.005 Z 130.007 Z 119.006 Z 119.013 Z 119.015 Z 119.017 Z 119.035 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 adaptor for synchro flange Mounting angle for clamping flange Bearing flange for encoders with synchro flange Voltage supply / signals 10...30 VDC / gray code 22 bit 10...30 VDC / binary code 22 bit 10...30 VDC / gray code 24 bit 10...30 VDC / binary code 24 bit Mounting accessories (page %S) Flange / Shaft Clamping flange / o10 mm IP 54 Clamping flange / o10 mm IP 65 Synchro flange / o6 mm IP 54 Synchro flange / o6 mm IP 65 tm Clock frequency f Scan ratio of T Time lag tv Monoflop time tm Clock interval tp 62.5...1000 kHz 40...60 % 150 ns 25 s Subject to modification in technic and design. Errors and omissions excepted. 20 s + T/2 2 www.baumerivo.com 30/10/2008 Absolute encoders - SSI Shaft with clamping or synchro flange Magnetic multiturn encoder 12 bit ST / 12 bit MT GCM2W - 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. 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 Cable colour brown black blue beige green yellow violet pink black/yellow - - Assignment UB GND Clock+ Data+ Zero setting DataClockUP/DOWN DATAVALID MT - - Please use cores twisted in pairs (for example clock+ / clock-) for extension cables of more than 10 m length. brown/yellow internally reserved Clock- Zero setting 8 7 6 5 12 91 10 11 2 3 4 DATAVALID MT Diagnostic output. Multiturn sensor supply control. Upon dropping below a defined voltage level the DV MT output is switched to Low. UP/DOWN 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. Trigger level SSI SSI-Clock SSI-Data Control inputs Input level High Input level Low Input resistance Diagnostic outputs 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 Push-pull circuit-proof >UB -3.5 V (I = -20 mA) <0.7 V (I = 20 mA) <20 mA <20 mA Subject to modification in technic and design. Errors and omissions excepted. 30/10/2008 3 www.baumerivo.com Shaft with clamping or synchro flange Magnetic multiturn encoder 12 bit ST / 12 bit MT Absolute encoders - SSI GCM2W - SSI Dimensions GCM2W clamping flange 480.1 M3x7 (3x120) 46 10 20 15 o10h6 o36f8 o10h6 o36f8 o53 o53 11.5 3 3 480.1 M3x7 (3x120) 46 10 20 15 3 3 16 GCM2W synchro flange 420.1 M4x7 (3x120) 4 3 10 9 o6f8 o50h7 GCM2W connector dimensions 58 59 o58 59 9 o58 9 3 4 www.baumerivo.com 30/10/2008 Subject to modification in technic and design. Errors and omissions excepted. o52 5.5 o58 |
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