Connection Examples - Danfoss VLT 5000 Series 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 .................................................................................................................................... 140 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
I I I I I Connection examples
MG.10.J4.02 – VLT is a registered Danfoss trade mark
Note: Note:
Note: Please observe the prescriptions of the encoder supplier Note:
Master Slave
®
VLT 5000 SyncPos option
ABSOLUTE ENCODER
A2
A2
B2
B2
Z2
Z2
Master Slave
15