ABB RTAC-01 - Page 28

Appendix A – Technical data
A-2 RTAC-01 User’s manual
Encoder interface:
• CH A, CH B, CH Z, differential or single-ended
• Output voltage 1: +24 V DC ±10%, 5 W max., short-
circuit proof
• Output voltage 2: +15 V DC
±10%, 5 W max., short-
circuit proof
• Signal levels:
"1" >7.6 V, "0" < 5 V (for 15 V supply)
"1" >12.2 V, "0" < 8 V (for 24 V supply)
• Frequency: 200 kHz (max.)
• Speed feedback resolution: 0.00305% (15 bits)
• Speed feedback accuracy: 50 ppm
• Maximum encoder cable length:
- 300 m (differential push-pull)
- 200 m (single-ended push-pull)
- 100 m (open collector or emitter)
• Isolated from the logic and earth. Test voltage:
1.5 kV AC, 1 minute
General
• Max. power consumption:
140 mA (5 V) + 55 mA (24 V)
• Estimated min. lifetime: 100 000 h
• All materials UL/CSA-approved
• Complies with EMC standards EN 50081-2 and
EN 50082-2