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B&R 8AC123.60-1 ACOPOS Incremental and SSI Encoder Interface Module
| Place of Origin | Germany |
| Brand Name | B&R |
| Model Number | 8AC123.60-1 |
Product Overview
The B&R 8AC123.60-1 is an ACOPOS plug-in module for connecting incremental encoders and SSI absolute encoders to compatible ACOPOS servo drives. It provides differential signal transmission, encoder monitoring and selectable encoder supply voltage.
The module supports incremental square-wave signals as well as SSI absolute-position data. It is particularly useful when an ACOPOS axis requires external position feedback, machine position measurement or connection to an SSI-based absolute measuring system.
Main Features
- Incremental and SSI absolute encoder interface
- One electrically isolated encoder input
- Selectable 5 VDC or 15 VDC encoder supply
- 350 mA supply capacity at either voltage selection
- Short-circuit and overload-protected encoder supply
- 32-bit incremental encoder counter
- Incremental input frequency up to 200 kHz
- SSI word width up to 31 bits
- Maximum encoder cable length of 50 m
Technical Specifications
| Complete Model | 8AC123.60-1 |
| Module Type | ACOPOS plug-in encoder interface |
| Supported Encoders | Incremental and SSI absolute encoders |
| Encoder Inputs | 1 |
| Signal Transmission | Differential |
| Incremental Counter | 32-bit, fourfold evaluation |
| Maximum Incremental Input Frequency | 200 kHz |
| Maximum Counter Frequency | 800 kHz |
| SSI Coding | Gray or binary |
| SSI Word Width | Maximum 31 bits |
| Encoder Supply | Selectable 5 VDC or 15 VDC, 350 mA |
| Module Connection | 15-pin female DSUB |
| Compatible Slots | ACOPOS slots 2, 3 and 4 |
| Maximum Power Consumption | 7.5 W, depending on encoder load |
| Operating Temperature | 5 to 40°C nominal; 55°C maximum |
Compatible System and Applications
Typical applications include external machine encoders, SSI linear measuring systems, rotary absolute encoders, registration control, positioning machinery and synchronized production equipment using ACOPOS servo drives.
Maintenance and Replacement Notes
Confirm whether the installed feedback device is incremental or SSI, and verify supply voltage, SSI coding, word width, signal frequency, DSUB pin assignment and encoder cable. Incorrect encoder supply selection may damage the feedback device.
Related Models
The 8AC120.60-1 is intended for EnDat 2.1 and sinusoidal incremental feedback. Other ACOPOS modules are available for HIPERFACE, resolver, BiSS and EnDat 2.2 interfaces.
Inquiry and Supply Notes
Provide the drive and encoder nameplates, feedback specification, cable number, module slot and controller project information when requesting a compatibility check.
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