Solid mechanical construction
Protection to IP 65, IP 66
SMD technology
Electronic preset
Programmable

Absolut No Shaft Encoder CAH 58 Profibus / CANopen<sup>®</sup> / Device Net

Absolut No Shaft Encoder CAH 58 Profibus / CANopen^® / Device Net

Optical absolute encoder with hollow shaft, Single-turn and multi-turn of high resolution

Resolution

Resolution (Steps/360°):

4096 = 12 bit

8192 = 13 bit

65536 = 16 bit

Measuring range

Measuring range

Single-Turn	1 turn
Multi-Turn	4096 Umdrehungen = 12 bit
	16384 Umdrehungen = 14 bit

Type explanation

CAH 58-28B-30-PB/Ø15

Encoder type	Absolute
Hollow shaft	Yes
Case diameter	ø 58 mm
Number of bits	12 = 12 bits x 1 turn
	13 = 13 bits x 1 turn
	16 = 16 bits x 1 turn
	24 = 12 bits x 4096 turns
	25 = 13 bits x 4096 turns
	28 = 16 bits x 4096 turns
	26 = 12 bits x 16384 turns
	27 = 13 bits x 16384 turns
	30 = 16 bits x 16384 turns
Single-turn	Yes
Multi-turn	Yes
Electronic adjustment	Yes
Supply voltage	30 = 10..30 VDC
Interface	PB = Profibus
	CO = CANopen®
	DN = Device Net
Shaft diameter	ø 15 mm

Technical data

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Mechanical data

Rotational speed	≤ 12000 min^-1 (Single-turn)
	≤ 6000 min^-1 (Multi-turn)
Torque	≤ 3 Ncm
Moment of inertia	30 g cm²
Loading of bearings	110 N radial
	40 N axial
Operational life of ball bearings	> 1 x 10⁵ h (1000 min^-1)
Weight	≤ 0,7 kg

Environmental conditions

Vibration	100 m/s² (10 ... 1000 Hz)
Shock	300 m/s² (11 ms)
Operating temperature	-40 ... +85°C
Storage temperature	-40 ... +85°C
Atmospheric humidity	≤ 98% r.h.
Protection class	IP 65 (DIN 40050/IEC 144)
	IP 66 (optional)

Electrical data

Scanning type	Optical, without contact
Transmitter, infrared	LED
Receiver	Photo-Array
Scanning frequency LSB	800 kHz
Measurement accuracy	±½ LSB (12 bit)
	± 1 LSB (13 bit)
	± 2 LSB (16 bit)
Supply voltage	Vcc = 10...30 VDC
Power consumtion	≤ 100 mA (Vcc = 24 V)

Electrical connections

Profibus
Interface	RS485 with optocoupler
Clock	max. 12 MBaud

Outline drawing

Absolut No Shaft Encoder CAH 58 Profibus / CANopen<sup>®</sup> / Device Net

Version AE 670-411 · Subject to change

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