Technosoft 2022
34
iPOS4803-SY Multi Axis System, EtherCAT Technical Reference
3.14.6 SSI/BiSS/Panasonic/Tamagawa/EnDAT/Nikon/Sanyo Denki encoder interface
Min.
Typ.
Max.
Units
Differential mode compliance(CLOCK, DATA)
TIA/EIA-422
CLOCK Output voltage
Differential; 50Ω
differential load
2.0
2.5
5.0
V
Common-mode, referenced to GND
2.3
2.5
2.7
CLOCK frequency
Software selectable
1000, 2000, 3000,4000
kHz
DATA Input hysteresis
Differential mode
±
0.1
±
0.2
±
0.5
V
Data input impedance
Termination resistor on-board
120
Ω
DATA Input common mode range
Referenced to GND
-7
+12
V
Absolute maximum, surge (duration
≤
1s)
†
-25
+25
DATA format
Software selectable
Binary / Gray
Single-turn / Multi-turn
Counting direction
DATA resolution
Single-turn
56
bit
Multi-turn and single-turn
56
If total resolution >31 bits, some bits must be ignored by software setting to achieve a max 31 bits
resolution
Single-turn frame
n
n-1
n-2
n-3 n-4
4
3
2
1
DT+
CK+
T
T/2
1
2
3
4
5
n-3
n-2
n-1
n
MSB
LSB
n single-turn bits
CK- and DT- signals have the same form with CK+ and DT+, but with opposite polarity.
Multi-turn frame
m+n m+n-1 m+n-2 m+n-3 m+n-4
n+4
n+3
n+2
n+1
DT+
CK+
T
T/2
1
2
3
4
5
m-3
m-2
m-1
m
MSB
LSB
m multi-turn bits
n
n-1
n-2
n-3
n-4
4
3
2
1
m+1
m+2
m+3
m+4
m+5
m+n-3 m+n-2 m+n-1 m+n
MSB
LSB
n single-turn bits
CK- and DT- signals have the same form with CK+ and DT+, but with opposite polarity.
3.14.7 Supply Output (+5V)
Min.
Typ.
Max.
Units
+5V output voltage
Current sourced = 400mA
4.9
5
5.2
V
+5V output current
TBD
mA
Short-circuit protection
Yes
Over-voltage protection
NOT protected
ESD protection
Human body model
±1
kV
3.14.8 EtherCAT ports
Min.
Typ.
Max.
Units
Standards compliance
IEEE802.3, IEC61158
Transmission line specification
According to TIA/EIA-568-5-A
Cat.5e.UTP
Pinout
EtherCAT® supports MDI/MDI-X auto-crossover
TIA/EIA-568-A or TIA/EIA-568-B
Software protocols compatibility
CoE, CiA402, IEC61800-7-301
Node addressing
By software, via EasySetUp
1 ÷ 255
-
By hardware via sw1 – iPOS4803S Microdrive
1 ÷ 127, 255
-
MAC addressing
EtherCAT® uses no MAC address
none
-
ESD protection
Human body model
±15
kV
3.14.9 Conformity
EU Declaration
2014/30/EU (EMC), 2014/35/EU (LVD),
2011/65/EU (RoHS),1907/2006/EC (REACH),
93/68/EEC (CE Marking Directive),
EC 428/2009 (non dual-use item, output frequency limited to 590Hz)
†
Stresses beyond values listed under “absolute maximum ratings” may cause permanent damage to the device. Exposure to absolute-maximum-rated
conditions for extended periods may affect device reliability.
