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Description
- Electrical interface, incremental: analog sinusoidal signals 1 Vpp
- Electrical interface, incremental: digital square-wave output signal TTL
Technical data
Functional safety – Safe Motion
The suitability of the IMScompact for functional safety in the overall system (electrical signal path and mechanical integration) is currently in preparation. For this reason, the mechanical connection of IMScompact is to be evaluated by the corresponding designer and/or machinery engineer taking into consideration the safety-related aspects, and the results are to be used in the hazard analysis. For applications with functional safety, the magnetic strip must be glued-in at all times. Corresponding IMScompact versions are currently prepared.
Electrical interface, incremental: analog sinusoidal signals 1 Vpp (option I9)
The 1 Vpp analog interface (option I9) is predestined for the highly dynamic position control of linear motors, belt drives or screw drives. The sinusoidal incremental signals A and B are phase-offset by 90° to each other and have a typical signal amplitude of 1 Vpp.
| 1) | Signal period 1000 µm |
| 2) | Travel |
| Option | Signal period | Max. scanner speed | Maximum home cycle speed |
|
| (μm) | (m/s) | (m/s) |
| I9 | 1000 | 5,0 | ≤ 0,5 |
The graph shows:
A, B sinusoidal incremental signals
RI reference mark signal
A, B and full differential RI for motion in the positive counting direction.
The illustrated output signal sequence (B phase-lagged to A) applies to measuring head motions in the positive counting direction. The differential reference mark signal RI has an amplitude of approx. -0.7 V when inactive (low). In the active state (high), the amplitude amounts to +0.7 V. The indicated amplitude values apply to an operation with terminating resistor Z 0 = 120 Ω.
| 1) | Scanner |
| 2) | Signal processing electronics |
Z0 = 120 Ω
Ucom = 2.5 V
Electrical interface, incremental: digital square-wave output signal TTL, 10 μm resolution (option I4)
The digital TTL interface (option I4) is used for the position display or the position transmission to programmable logic controllers or measuring value displays. The digital incremental signals A and B comply with the EIA/TIA-422-A standard. They are phase-offset by 90° and have the following signal levels:
Uhigh > 2 V; Ulow < –2 V.
The differential reference mark signal RI has the same electrical characteristics as the incremental signals. The amplitudes apply to the operation with a terminating resistor Z0 = 120 Ω.
| 1) | Signal period |
| 2) | Travel |
| 3) | Edge spacing |
| Option | Resolution (edge spacing) | Signal period | Max. scanner speed | Maximum home cycle speed |
|
| (μm) | (μm) | (m/s) | (m/s) |
| I4 | 10 | 40 | 1,0 | ≤ 0,5 |
| Voltage supply | 10 ... 30 VDC |
| Power consumption | 1 Vpp at 12 V: 19.5 mA |
| 1 Vpp at 24 V: 11.3 mA | |
| TTL at 12 V: 51.0 mA | |
| TTL at 24 V: 28.5 mA |
Electrical interface, absolute:
in preparation
Downloads
 | IMScompact integrated measuring system for BSHP ball rail system Manual | R320103196_EN | 2019-12-01 | English | PDF | 2.5MB Product Groups: Integrated measuring systems |
| R999001485 Integrated measuring system IMScompact Catalog | R999001485 | 2020-03-01 | English | PDF | 2.9MB Product Groups: Integrated measuring systems Only available as PDF |
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