Absolute encoders - parallel
Shaft with clamping or synchro flange
Optical singleturn encoder 13 bit, gray or binary
GA240, GA241 - parallel
Features
– Encoder singleturn / parallel
– Optical sensing
– Resolution: 13 bit
–
Clamping flange or synchro flange
–
Short-circuit proof push-pull outputs
–
Output release by enable signal
–
Permanent check of code continuity
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
≤60 mA (24 VDC)
20 ms after power on
13 parallel outputs
8192 / 13 bit
±0.025°
Optical
Gray or binary
CW/CCW coded by connection
Control signals UP/DOWN and
zero
STORE
ENABLE
Push-pull short-circuit proof
DIN EN 61000-6-2
DIN EN 61000-6-4
Self-diagnosis
Code continuity check
UL approval / E63076
Weight approx.
E-connection
GA240 - parallel
Shaft
Flange
GA241 - parallel
Shaft
Flange
ø6 mm
Synchro flange
ø10 mm
Clamping flange
Reverse polarity protection Yes
Technical data - mechanical design
Housing
Protection DIN EN 60529
Operating speed
Starting torque
Rotor moment of inertia
Admitted shaft load
Materials
Operating temperature
Relative humidity
Resistance
ø58 mm
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
14.5 gcm²
≤20 N axial
≤40 N radial
Housing: aluminium
Flange: aluminium
-25...+85 °C
-40...+85 °C (optional)
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
Subject to modification in technic and design. Errors and omissions excepted.
29/10/2008
Output circuit
Interference immunity
Emitted interference
Diagnostic functions
Approval
95 % non-condensing
1
www.baumerivo.com
Shaft with clamping or synchro flange
Optical singleturn encoder 13 bit, gray or binary
Absolute encoders - parallel
GA240, GA241 - parallel
Part number
Clamping flange
GA240.
02
E-connection
Connector M23, 21-pin, axial
Connector M23, 21-pin, radial
Cable 21-core, 1 m, axial
Cable 21-core, 1 m, radial
Synchro flange
GA241.
02
E-connection
Connector M23, 21-pin, axial
Connector M23, 21-pin, radial
Cable 21-core, 1 m, axial
Cable 21-core, 1 m, radial
C0
C1
51
61
C0
C1
51
61
Voltage supply / signals
10
10...30 VDC / gray code push-pull
12
10...30 VDC / binary code push-pull
Flange / Shaft
0
Clamping flange / ø10 mm IP 54
A
Clamping flange / ø10 mm IP 65
Voltage supply / signals
10
10...30 VDC / gray code push-pull
12
10...30 VDC / binary code push-pull
Flange / Shaft
1
Synchro flange / ø6 mm IP 54
B Synchro flange / ø6 mm IP 65
Accessories
Connectors and cables
(page %S)
Z 132.001
Z 132.003
Z 132.005
Z 132.007
Z 119.006
Z 119.013
Z 119.017
Z 119.025
Female connector M27, 21-pin, less cable
Female connector M27, 21-pin, 2 m cable
Female connector M27, 21-pin, 5 m cable
Female connector M27, 21-pin, 10 m cable
Eccentric fixing, single
Adaptor plate for clamping flange for
modification into synchro flange
Mounting angle for clamping flange
Subject to modification in technic and design. Errors and omissions excepted.
29/10/2008
Mounting accessories for GA240 - parallel
(page %S)
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
Mounting accessories for GA241 - parallel
(page %S)
Z 119.006
Z 119.015
Z 119.035
2
www.baumerivo.com
Absolute encoders - parallel
Shaft with clamping or synchro flange
Optical singleturn encoder 13 bit, gray or binary
GA240, GA241 - parallel
Terminal significance
UB
GND
Outputs
D0-D12
DATAVALID
Encoder voltage supply.
Encoder ground connection relating to UB.
13 parallel output signals.
Diagnostic output.
An error warning is given at level Low.
Important: Interferences must be filtered by
the downstram electronics.
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.
UP/DOWN counting direction input.
This input is standard on High. UP/DOWN
means ascending output data with clock-
wise shaft rotation when looking at flange.
UP/DOWN-Low means ascending values
with counterclockwise shaft rotation when
looking at flange.
Input for activating the output drivers that
are triggered by input level Low. Upon
being on High (or less potential) the output
drivers switch to high-impedance (Tristate).
Input for output data storage. Upon a Low
input level the encoder data are stored in
the intermediate memory. Upon being on
High (or less potential) the current encoder
position data are switched to the output
drivers. This line must be applied for
reliable data readout in binary code.
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
Pin 17
Pin 18
Pin 19
Pin 20
Pin 21
Core colour
violet
white/brown
white/green
white/yellow
white/grey
white/pink
white/blue
white/red
white/black
brown/green
brown/grey
brown/pink
green/grey
blue
blue/yellow
brown
pink
red
red/yellow
yellow
Assignment
Output D0
Output D1
Output D2
Output D3
Output D4
Output D5
Output D6
Output D7
Output D8
Output D9
Output D11
Output D12
–
GND
DATAVALID
UP/DOWN
STORE
UB
Zero setting
ENABLE
Zero setting
brown/yellow Output D10
UP/DOWN
ENABLE
STORE
13 1
12
14 2
15 3
11 20
21 16 4
10 19
9 18 17 5
8 7 6
Trigger level
Control inputs
Input level High
Input level Low
Input resistance
Parallel outputs
Output level High
Output level Low
Load High
Load Low
Tristate
Input circuit
>0.7 UB
<0.3 UB
10 kΩ
Output circuit
Push-pull circuit-proof
>UB -3.5 V (I = -20 mA)
<0.5 V (I = 20 mA)
<-30 mA
<30 mA
<10 µA
3
www.baumerivo.com
29/10/2008
Subject to modification in technic and design. Errors and omissions excepted.
Shaft with clamping or synchro flange
Optical singleturn encoder 13 bit, gray or binary
Absolute encoders - parallel
GA240, GA241 - parallel
Dimensions
GA240 parallel clamping flange
M3 x 5
120°
13
20
56
10 20
9.
ø10h8
15
51
10 20
9.
ø10h8
ø6f8
15
9
36f8
48
±0.1
58
51
10 20
ø10h8
15
9.
53
10 20
9.
ø10h8
15
58
59
20
16.6
GA241 parallel synchro flange
M4 x 7
120°
13
19
62
4
10
21.5
57
4
10
ø6f8
9
9
9
42
±0.1
50h7
58
57
3
3
3
3
4
10
59
4
10
9
ø6f8
9
ø6f8
58
20
3
59
3
3
21.5
3
16.6
4
www.baumerivo.com
29/10/2008
Subject to modification in technic and design. Errors and omissions excepted.
5.5
5.5
5.5
5.5
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