IFM RMA310 - Absolute multiturn encoder with hollow shaft MULTITURN ENCODER WET LINE

Absolute position traceability even when unpowered.
Bearing operating time measurement for efficient maintenance planning.
Freely programmable total resolution up to 31 bits.
Programmable digital switching input/output.
High shock and vibration resistance thanks to magnetic sensing principle

Resolution	65536 steps; 32768 revolutions; 31 bit
Communication interface	IO-Link
Shaft design	hollow shaft open to one side
Shaft diameter [mm]	12

Function principle	absolute
Revolution type	multiturn
Detection system	magnetic

Operating voltage [V]	18...30 DC;(; to PELV)
Rated insulation voltage [V]	30
Current consumption [mA]	< 75
Protection class	III
Reverse polarity protection	yes
Max. power-on delay time [ms]	1000
Max. revolution electrical [U/min]	6000

Inputs

Short-circuit protection digital inputs	yes

Measuring/setting range

Resolution	65536 steps; 32768 revolutions; 31 bit

Accuracy / deviations

Accuracy [°]	0.1

Software / programming

Parameter setting options	preset; zero point; direction of rotation; rotational speed

Interfaces

Communication interface	IO-Link
Transmission type	COM3 (230,4 kBaud)
IO-Link revision	1.1
SDCI standard	IEC 61131-9 CDV
Profiles	Function class Designation 0x4000 Identification and Diagnosis 0x8001 Switching Signal Channel 0x800B Measurement Data Channel (high resolution)
SIO mode	no
Required master port type	A
Min. process cycle time [ms]	2.3
IO-Link process data (cyclical)	function bit length process value 96 device status 4 binary switching information 5
IO-Link functions (acyclical)	application specific tag; operating hours counter; internal temperature; switching cycles counter; shaft movement in hours
Supported DeviceIDs	Type of operation DeviceID default 1064
Note	For further information please see the IODD PDF file under "Downloads"

Operating conditions

Ambient temperature [°C]	-40...85
Storage temperature [°C]	-40...85
Max. relative air humidity [%]	98;(condensation not permissible)
Protection	IP 68; IP 69K

Tests / approvals

EMC	DIN EN 61000-4-2 ESD 4 kV CD DIN EN 61000-4-3 HF radiated 10 V/m DIN EN 61000-4-4 Burst 2 kV DIN EN 61000-4-6 HF conducted 10 V
Vibration resistance	DIN EN 60068-2-6 20 g / 10...1000 Hz half-sine
Shock resistance	DIN EN 60068-2-27 200 g / 11 ms
Continuous shock resistance	DIN EN 60068-2-29 20 g / 6 ms half-sine
MTTF [years]	283
UL approval	power supply Class 2

Weight [g]	382.5
Dimensions [mm]	Ø 42 / L = 89.5
Materials	flange: stainless steel (1.4404 / 316L); housing: stainless steel (1.4521 / 444)
Max. starting torque [Nm]	5
Reference temperature torque [°C]	20
Shaft design	hollow shaft open to one side
Shaft diameter [mm]	12
Shaft material	stainless steel (1.4112 / 440B)
Installation depth of shaft [mm]	22
Max. axial shaft misalignment [mm]	0,5
Fixing flange	Ø 42 mm

Electrical connection - plug

	Connector: 1 x M12; coding: A; Moulded body: stainless steel (316 / 1.4401)

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — RMA310-00 — 13.04.2023 —