Available on request
IFM RM903S
MPN: RM903S · Brand: IFM
Price on request
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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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Quick facts
| Availability | Confirmed on request |
| Category | Absolute multiturn encoders |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can RM903S be shipped?
RM903S is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up RM903S in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for RM903S and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for RM903S, subject to availability and destination.
Easy integration of the TÜV Rheinland-certified safety subsystem with ifm mode safety subsystem with CANopen Safety support Suitable for use in safety functions up to SIL2 / PL d category 3 Certified to the following standards: IEC 61800-5-3, IEC 61508 and ISO 13849-1 Maintenance-free safety encoder with fully magnetic detection
Specifications
Product characteristics
| Resolution | 8192 steps; 65536 revolutions; 29 bit |
| Shaft design | hollow shaft open to one side |
| Shaft diameter[mm] [mm] | 12 |
Application
| Function principle | absolute |
| Revolution type | multiturn |
| Detection system | magnetic |
| Application | mobile applications; cranes and hoist machines |
| Operating temperature (active)[°C] [°C] | -40...85 |
Electrical data
| Operating voltage[V] [V] | 8...36 DC |
| Current consumption[mA] [mA] | < 60; ((24 V DC)) |
| Power consumption[W] [W] | 1.5 |
| Protection class | III |
| Reverse polarity protection | yes |
| Overvoltage protection | yes; (< 60 V DC) |
| Power-on delay time[s] [s] | < 2 |
Outputs
| Contact rating | max. 1,5 A (24 V DC ) |
| Code | binary |
Measuring/setting range
| Resolution | 8192 steps; 65536 revolutions; 29 bit |
Accuracy / deviations
| Accuracy[°] [°] | non-safety; 0.2 |
| safety | 0.5 |
| non-safety | 0.2 |
| Repeatability | ± 0,1 °; (magnetic) |
Response times
| Response time to safety request[ms] [ms] | 7 |
Software / programming
| Parameter setting options | scaling; preset; Baud rate; node ID; limit switch; gear function; monitoring window; Counting direction; speed parameters; integration time; ifm mode |
Interfaces
| Number of CAN interfaces | 2 |
| Transmission rate | 20 kBit/s... 1 MBit/s |
| Terminating resistor | yes; (Extern M12 (z.B. E11590)) |
| Protocol | CANopen; CANopen Safety; CAN Spezifikation 2.0 A |
| Factory settings | Baud rate: 250 kBit/s; node ID: 32 |
| Version | CiA 406 V4.1.0; CiA 301 V4.2.0; CiA DSP-305 V3.0.0 LSS; EN 50325-4; EN 50325-5; ISO 11898 |
Operating conditions
| Ambient temperature[°C] [°C] | -40...85 |
| Storage temperature[°C] [°C] | -40...90 |
| Note on storage temperature | dry |
| Max. relative air humidity[%] [%] | 98 |
| Max. height above sea level[m] [m] | 5000 |
| Protection | IP 67; IP 69K; (with ifm socket duly screwed on) |
| Chemical media | test according to ISO 16750-5; the following media were tested at 85 °C for 22 hours; diesel; biodiesel; hydraulic fluids; (Fuchs Hydrotherm 46 M HFC,; (Fuchs Renoling B15 VG 46 HLP,; Liqui Moly Hydrauliköl HEES 46); brake fluid; (K2 TURBO DOT 4); urea; (Adblue); the following media were tested for 22 hours at 23 °C; preservative; (Pfinder W550); cold cleaner; (Nigrin cold cleaner); ammonia-based cleaner; (EMSAL Kraft und Grundreiniger); alkaline cleaner; (Kärcher RM 69 FloorPro); the following media were tested for 2 hours at 23 °C; windscreen washer fluid; (SONAX Clear View 1:100 Concentrate); vehicle cleaning product; (Förch R527 car shampoo concentrate); wheel rim cleaner; (SONAX Xtreme); de-icer; (Eastman Clearway); the following media were tested for 10 minutes at 23 °C; lead-free petrol; alcohol |
| the following media were tested at 85 °C for 22 hours | diesel |
| the following media were tested for 22 hours at 23 °C | preservative |
| the following media were tested for 2 hours at 23 °C | windscreen washer fluid |
| the following media were tested for 10 minutes at 23 °C | lead-free petrol |
Tests / approvals
| EMC | IEC 61000-4-2 ESD 6; 6 kV CD / 15 kV AD; IEC 61000-4-3 HF radiated; 20 V/m (27...1000MHz); 10 V/m (1000...2000MHz); 3 V/m (2000...6000MHz); IEC 61000-4-4 Burst; 4 kV; IEC 61000-4-5 Surge; 2 kV (screen); IEC 61000-4-6 HF; 20 V; IEC 55011; class B; IEC 61000-4-8 magnetic fields; 30 A/m (50 Hz) / 1000 A/m (0 Hz) failure criterion A |
| IEC 61000-4-2 ESD 6 | 6 kV CD / 15 kV AD |
| IEC 61000-4-3 HF radiated | 20 V/m (27...1000MHz) |
| IEC 61000-4-4 Burst | 4 kV |
| IEC 61000-4-5 Surge | 2 kV (screen) |
| IEC 61000-4-6 HF | 20 V |
| IEC 55011 | class B |
| IEC 61000-4-8 magnetic fields | 30 A/m (50 Hz) / 1000 A/m (0 Hz) failure criterion A |
| Shock resistance | IEC 60068-2-27; 100 g 6 ms half-sine; 100 shocks each in every direction of the 3 coordinate axes |
| IEC 60068-2-27 | 100 g 6 ms half-sine; 100 shocks each in every direction of the 3 coordinate axes |
| Vibration resistance | IEC 60068-2-64; 15 g Sinus / 50...2000 Hz; ISO 19014-3; 5.7 g RMS |
| IEC 60068-2-64 | 15 g Sinus / 50...2000 Hz |
| ISO 19014-3 | 5.7 g RMS |
| Salt spray test | IEC 60068-2-52; severity level 5 |
| IEC 60068-2-52 | severity level 5 |
| Standard | compliant with ECE R 10 Rev.6 |
Safety classification
| Complies with the requirements | ISO 13849-1 category 3, PL d; IEC 61508 SIL 2; IEC 61800-5-2; IEC 61800-5-3 |
| Mission time TM[h] [h] | 175800 |
| Mission time TM (additional indication) | 20 years |
| PFH[1/h] [1/h] | 2,00E-8 |
Mechanical data
| Weight[g] [g] | 726.95 |
| Housing | cylindrical |
| Dimensions[mm] [mm] | Ø 58 / L = 64.7 |
| Materials | sealings: NBR/HNBR; display: UV-stabilised polycarbonate; connections: diecast zinc nickel-plated (axial)/(radial) |
| Max. revolution, mechanical[U/min] [U/min] | 6000 |
| Max. starting torque[Nm] [Nm] | 0.05 |
| Reference temperature torque[°C] [°C] | 20 |
| Shaft design | hollow shaft open to one side |
| Shaft diameter[mm] [mm] | 12 |
| Shaft material | stainless steel (303/1.4305) |
| Fixing flange | direct flange; Ø 63 mm |
Remarks
| Remarks | material for secure mounting not supplied; fixing must be done by the user; meets the EMC requirements for use in agricultural and forestry machinery, earthworks and construction machines and industrial trucks; can be used in applications up to Ag PL d in accordance with ISO 25119, up to MPL d in accordance with ISO 19014-3 |
| Pack quantity | 1 pcs. |
Electrical connection - CAN-in
| Connector | 1 x M12; coding: A; (open M12 connections must be covered with appropriate protective caps) |
Electrical connection - CAN-out
| Connector | 1 x M12; coding: A; (open M12 connections must be covered with appropriate protective caps) |
12-month warrantyon all new stock
3-month warrantyon used & refurbished parts
30-day returnsno restocking fee on unused parts
Global shippingFast, tracked delivery worldwide
