Absolute encoders - SSI
Hollow shaft max. ø50.8 mm
Optical multiturn encoder 13 bit ST / 12 bit MT
G1M2H, G2M2H - SSI
Features
– Encoder multiturn / SSI
– Optical sensing
– Resolution: singleturn 13 bit, multiturn 12 bit
– Hollow shaft of 1” and 2” diameter
– Electronic setting of zero point
– Permanent check of code continuity
– Counting direction input
– High resistance to shock and vibrations
– For high positive and negative acceleration
G1M2H with hollow shaft
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
≤50 mA (24 VDC)
20 ms after power on
SSI
8192 / 13 bit
4096 / 12 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
Multiturn sensing
UL approval / E63076
E-connection
G1M2H - SSI
Housing
Shaft
Operating speed
Rotor moment of inertia
Weight approx.
G2M2H - SSI
Housing
Shaft
Operating speed
Rotor moment of inertia
Weight approx.
ø116 mm
ø50.8 mm hollow shaft
≤2000 rpm (mechanical)
≤6000 rpm (electric)
11000 gcm²
1200 g
ø90 mm
≤3800 rpm (mechanical)
≤6000 rpm (electric)
2000 gcm²
890 g
Subject to modification in technic and design. Errors and omissions excepted.
30/10/2008
Technical data - mechanical design
Protection DIN EN 60529
Materials
IP 54
Housing: aluminium
Flange: aluminium
Bus cover: 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
Connector, 12-pin
Reverse polarity protection Yes
Operating temperature
Relative humidity
Resistance
Output circuit
Interference immunity
Emitted interference
Diagnostic functions
ø25.4 mm hollow shaft
Approval
1
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