Absolute encoders - SSI
End shaft max. ø14 mm
Optical multiturn encoders 14 bit ST / 12 bit MT
GXM2S - SSI
Features
– Encoder multiturn / SSI
– Optical sensing
– Resolution: singleturn 14 bit, multiturn 12 bit
– End shaft ø12 mm / ø14 mm
– Electronic setting of zero point
– Permanent check of code continuity
– Counting direction input
– Suitable for high positive and negative accelerations
– Available with additional incremental output
GXM2S with end shaft
Technical data - electrical ratings
Technical data - mechanical design
Voltage supply
10...30 VDC
Housing
Shaft
ø58 mm
Reverse polarity protection Yes
ø12 mm end shaft
ø14 mm end shaft
Consumption w/o load
Initializing time (typ.)
Interfaces
≤50 mA (24 VDC)
Protection DIN EN 60529 IP 54
20 ms after power on
Operating speed
≤6000 rpm (mechanical)
SSI, Incremental A 90° B
(optional)
≤6000 rpm (electric)
≤0.015 Nm IP 54
20 gcm²
Starting torque
Rotor moment of inertia
Materials
Steps per turn
16384 / 14 bit
4096 / 12 bit
Number of turns
Incremental output
Housing: steel
Flange: steel
2048 pulses A90°B
+ inverted
Operating temperature
-25...+85 °C
-40...+85 °C (optional)
Absolute accuracy
Sensing method
Code
±0.025°
Optical
Relative humidity
Resistance
95 % non-condensing
Gray or binary
CW/CCW coded by connection
DIN EN 60068-2-6
Code sequence
Inputs
Vibration 10 g, 16-2000 Hz
DIN EN 60068-2-27
Shock 100 g, 6 ms
SSI clock
Control signals UP/DOWN and
zero
Weight approx.
E-connection
600 g
Output circuit
SSI data linedriver RS485
Diagnostic and incremental
outputs
Connector, 12-pin
Interference immunity
Emitted interference
Diagnostic functions
DIN EN 61000-6-2
DIN EN 61000-6-4
Self-diagnosis
Code continuity check
Multiturn sensing
Approval
UL approval / E63076
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