Omron NX701-1700 User Manual page 55

Communications standard
EtherCAT master specifications
Physical layer
Modulation
Baud rate
Duplex mode
Topology
Transmission media
Maximum transmission distance between nodes
Maximum number of slaves
Range of node addresses that can be set
Built-in
Ether-
CAT port
Maximum process data size
Maximum process data size per slave
Communications cycle
Sync jitter
Serial Communications method
commu-
Synchronization method
nica-
Baud rate
tions
Maximum
number of
connectable
Units
Unit
configu-
Maximum number of Expansion Racks
ration
I/O capacity
Power Supply
Unit for CPU
Rack and
Expansion
Racks
Option
Number of slots
Board
Input
Built-in
I/O
Output
NX-series CPU Unit Hardware User's Manual (W535)
Item
Maximum number of CJ Units per
CPU Rack or Expansion Rack
Maximum number of NX Units
per CPU Rack
Maximum number of CJ Units for
entire controller
Maximum number of NX Units for
entire controller
Maximum number of I/O points
on CJ-series Units
Model
Power OFF AC power supply
detection
DC power supply
time
Number of points
Number of points
Load short-circuit protection
1 Introduction to NX-series Controllers
NX701-
1700 1720
IEC 61158 Type12
Class B (Feature Pack Motion Control compliant)
100BASE-TX
Baseband
100 Mbps (100BASE-TX)
Auto
Line, daisy chain, and branching
Twisted-pair cable of category 5 or higher (dou-
ble-shielded straight cable with aluminum tape and braid-
ing)
100 m
512
1 to 512
Input: 11,472 bytes
Output: 11,472 bytes
However, the maximum number of process data frames is
8.
Input: 1,434 bytes
Output: 1,434 bytes
Primary periodic task
125 μs
250 μs to 8 ms in 250-μs increments
Priority-5 periodic task
125 μs
250 μs to 100 ms in 250-μs increments
1 μs max.
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4,096
(On EtherCAT Slave Terminals)
0
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NX-PA9001
NX-PD7001
30 to 45 ms
5 to 20 ms
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