Connection Examples - Danfoss VLT5000 SyncPos Operating Instructions Manual

Encoder input 2, MK3D (slave):
Terminal designations ................................................................................................................................................. A2, A2, B2, B2, Z2, Z2
Incremental:
Signal level ............................................................................................................................................................................................ 5 V differential
Signal type ....................................................................................................................................................................................... Linedriver, RS422
Input impedance ..................................................................................................................................................................................................... 120 Ω
Maximum frequency ...................................................................................................................................... 220 kHz (at 50 % duty cycle)
Phase displacement between A and B ......................................................................................................................................... 90° ±30°
Absolute:
Signal level ............................................................................................................................................................................................ 5 V differential
Signal type ......................................................................................................................................................................................................................... SSI
Protocol .............................................................................................................................................................................................................. Gray code
Data length .................................................................................................................................................................................................................. 25 bit
Parity .................................................................................................................................................................................................................................. none
Clock frequency ............................................................................................................................................................................... 105 or 260 kHz
Maximum positions per revolution ................................................................................................................................................................ 8192
Maximum number of revolutions .................................................................................................................................................................. 4096
Encoder cable:
Cable type .... Twisted pair and screened. Note
Cable length ................................................................................................... Observe the prescriptions of the encoder supplier.
Absolute encoder is tested ok up to 150 meter cable at 105 kHz clock and 100 m at 262 kHz clock.
(Tested with TR electronic encoder type CE-65 M 8192*4096 and appropriate cable prescribed by TR electronic.)
Maximum allowed time delay between clock and data signal measured at the controller terminals................
..................................................................................................................................................................................................... 105 kHz clock = 9µsec
.............................................................................................................................................................................................. 262 kHz clock = 3.5 µsec
Encoder output, MK3B:
Terminal designations ................................................................................................................................................... A1, A1, B1, B1, Z1, Z1
Signal type ....................................................................................................................................................................................... Linedriver, RS485
Maximum frequency ........................................................................................................................................................................................ 150 kHz
Minimum frequency ........................................................................................................................................................................................... 150 Hz
Maximum number of slaves .............................................................................................................. 31 (more when using repeaters)
Maximum cable length ...................................................................................................................................................................................... 400 m
■ ■ ■ ■ ■ Connection examples
MG.10.J8.02 – VLT is a registered Danfoss trade mark
Note Note Note: : : : : Please observe the prescriptions of the encoder supplier Note
Master Slave
Programmable SyncPos motion controller
ABSOLUTE ENCODER
A2
A2
B2
B2
Z2
Z2
Master Slave
15