maxon motor
EPOS Positioning Controller
EPOS 70/10 Hardware Reference
6
Performance Data
6.1
Electrical data
Power supply voltage V
CC
(Ripple < 10%) .......................................... 11 … 70 VDC
Logic supply voltage V
C
(Ripple < 10%) (optional) ............................. 11 … 70 VDC
Max. output voltage .................................................................................... 0.9 • V
CC
Max. output current I
max
(<1sec) ........................................................................ 25 A
Continuous output current I
cont
........................................................................... 10 A
Switching frequency ....................................................................................... 50 kHz
Max. efficiency .................................................................................................. 93 %
Sample rate PI - current controller ................................................................. 10 kHz
Sample rate PI - speed controller .................................................................... 1 kHz
Sample rate PID - positioning controller .......................................................... 1 kHz
Max. speed (motors with 2 poles) ........................................................... 25 000 rpm
Built-in motor choke per phase ............................................................. 25
µ
H / 10 A
6.2
Inputs
Hall sensor signals ........................... Hall sensor 1, Hall sensor 2 and Hall sensor 3
...................... for Hall effect sensor IC's (Schmitt trigger with open collector output)
Encoder signals .......................................................... A, A\, B, B\, I, I\ (max. 1MHz)
................................................................ internal line receiver EIA standard RS-422
Digital input 1 (“General Purpose”) ......... opto-isolated +9 ... +24 VDC (Ri = 1.8k
Ω
)
Digital input 2 (“General Purpose”) ......... opto-isolated +9 ... +24 VDC (Ri = 1.8k
Ω
)
Digital input 3 (“General Purpose”) ......... opto-isolated +9 ... +24 VDC (Ri = 1.8k
Ω
)
Digital input 4 (“Home Switch”) ............... opto-isolated +9 ... +24 VDC (Ri = 1.8k
Ω
)
Digital input 5 (“Positive Limit Switch”) ... opto-isolated +9 ... +24 VDC (Ri = 1.8k
Ω
)
Digital input 6 (“Negative Limit Switch”) .. opto-isolated +9 ... +24 VDC (Ri = 1.8k
Ω
)
Digital input 7 (“High Speed Command”).internal line receiver EIA standard RS-422
Digital input 8 (“High Speed Command”).internal line receiver EIA standard RS-422
Analogue input 1 ...................................... resolution 10-bit 0 ... +5 V (differential)
Analogue input 2 ...................................... resolution 10-bit 0 ... +5 V (differential)
+V Opto IN ...................................................................................... +12 … +24 VDC
CAN-ID (CAN identification) ........... ID 1-127configured by DIP-Switch or Software
6.3
Outputs
Digital output 1 (“General Purpose”) ........ opto-isolated max. 24 VDC (I
L
< 20 mA)
Digital output 2 (“General Purpose”) ........ opto-isolated max. 24 VDC (I
L
< 20 mA)
Digital output 3 (“General Purpose”) ........ opto-isolated max. 24 VDC (I
L
< 20 mA)
Digital output 4 (“Brake”)……………………opto-isolated max. 24 VDC (I
L
< 500 mA)
6.4
Voltage outputs
Encoder supply voltage ........................................................ +5 VDC, max. 100 mA
Hall sensors supply voltage .................................................... +5 VDC, max. 30 mA
Reference Output voltage ........................................................... +5 VDC (Ri =1 k
Ω
)
6.5
Motor connections
maxon EC motor
maxon DC motor
Motor winding 1
+Motor
Motor winding 2
-Motor
Motor winding 3
6
maxon motor control
December 2008 Edition / document number 752380-04 / subject to change
