Highlights
- Interface CANopen®
- Redundant linear sensor (2-channel design)
- Magnetic sensing method
- Operating temperature -40…+85 °C
- Protection IP 67
- Flange connector M12, 5-pin
- Designed for harsh environmental conditions
- Removable stickers for drainage
- E1 approval (KBA), UL approval / E217823
- Load dump protection
Technical Specifications
| Technical data – electrical ratings | |
|---|---|
| Voltage supply | 8…36 VDC |
| Reverse polarity protection | Yes |
| Short-circuit proof | Yes |
| Consumption typ. | 30 mA (24 VDC, w/o load); 60 mA (24 VDC, w/o load, redundant) |
| Initializing time typ. | ≤ 500 ms after power on |
| Interface | CANopen® |
| Function | Linear position feedback |
| Profile conformity | CANopen® CiA communication profile DS 301, LSS profile DSP 305, device profile DS 406 |
| Measuring range | Up to 4.7 m (linear position) |
| Resolution | 0.1 mm (linear position) |
| Linearity typ. | ±0.35 % FS (+25 °C, measuring length 4.7 m); ±0.65 % FS (-40…+85 °C, measuring length 4.7 m) |
| Absolute accuracy typ. | ±0.4 % FS (+25 °C / measuring length 4.7 m); ±0.7 % FS (-40…+85 °C / measuring length 4.7 m) |
| Sensing method | Magnetic |
| Code | Programmable |
| Load dump protection | ISO 7637-2; Test Level 4, 12 V / 24 V systems |
| Interference immunity | EN 61000-6-2 |
| Emitted interference | EN 61000-6-3 |
| Programmable parameters | Operating modes; Rotating direction; Scaling; Zero position |
| Approval | UL approval / E217823; E1-type UN ECE 10R06; CE |
| Technical data – mechanical design | |
| Protection EN 60529 | IP 67 (electronic chamber); IP 54 (cable inlet) |
| Material | Cable: stainless steel cable AISI 316 coated with nylon PA12; Housing: plastic |
| Operating temperature | -40…+85 °C |
| Service life | Typ. 500.000 strokes (depends on the type of load) |
| Measuring length | 4.7 m |
| Cable acceleration | ≤10 m/s² |
| Cable speed | ≤1 m/s |
| Cable diameter | 0.7 mm |
| Cable fastening | Eyelet; Height: 5 mm; Internal diameter: 8 mm; Outer diameter: 15 mm |
| Pull-in force | >1.5 N (+25 °C, pull-in force reduced at low temperatures) |
| Pull-out force | ≤8 N (+25 °C) |
| Resistance | EN 60068-2-6; Vibration 20 g, 10-2000 Hz; EN 60068-2-27; Shock 50 g, 11 ms |
| Weight approx. | 440 g |
| Connection | Flange connector M12, 5-pin |
| Instruction | Please consider the assembly instructions |
Order code
| GCA3-PM047.RCN.CC0.A | [047] 4.7 m · [N] flange socket radial, M12, 5-pin · [CC] 8…36 VDC, CANopen (DS 406) redundant (2-channel design) · inclinometer not selected |
CANopen® features
- Operating modes: time-driven (Event-Time) and synchronously triggered (Sync); node monitoring: Heartbeat (default: disabled)
- Programmable parameters: operating modes, rotating direction, scaling and zero position
- Default settings: baud rate 250 kbit/s; Node-ID 4 (04h) for channel A and Node-ID 5 (05h) for channel B; time-driven transmission 100 ms
- Data transfer: PDO 1 linear position (in steps of 0.1 mm)
M12 flange connector pin assignment
| Pin 1 | CAN_GND (ground connection relating to CAN) |
| Pin 2 | +Vs (voltage supply) |
| Pin 3 | GND (ground connection relating to +Vs) |
| Pin 4 | CAN_H (CAN bus signal, dominant high) |
| Pin 5 | CAN_L (CAN bus signal, dominant low) |
The GND and CAN_GND terminals are internally connected and identical in their functions.
Manufacturer ordering reference: options
| Measuring length | 2.3 m (023) or 4.7 m (047) |
| Cable fastening | Ring (R) |
| Cable diameter | 0.70 mm (C) |
| Connection | Radial cable, 2 m (L) or radial flange socket M12, 5-pin, male contacts, A-coded (N) |
| Supply / output | 8…36 VDC, CANopen (DS 406) (CA) or redundant (2-channel design) (CC) |
| Inclinometer option | 1-dimensional / 0…360° (136) or not selected |
| Terminating resistor option | With integrated terminating resistor (4816) or no option |
The options above are taken from the ordering reference in the manufacturer’s data sheet. The version on our site has the code GCA3-PM047.RCN.CC0.A; contact us for any other configuration.
Browse other Baumer products or the Sensors category. Related models: Baumer GCA5.
Baumer GCA3 Cable Transducer – Data sheet (PDF)Frequently asked questions
What are the default baud rate and Node-IDs?
Baud rate 250 kbit/s; Node-ID 4 (04h) for channel A and Node-ID 5 (05h) for channel B. Transmission is time-driven at 100 ms by default.
Is node monitoring (Heartbeat) enabled by default?
No; according to the data sheet, Heartbeat is disabled by default.
Are other measuring lengths or options available?
The manufacturer’s ordering reference lists measuring lengths of 2.3 m (023) and 4.7 m (047), radial cable or M12 flange socket, redundant output, an inclinometer option (136) and a terminating resistor option (4816). Contact us for configurations other than the version on our site.
Related service: control systems for cranes and aerial work platforms.
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