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2 SPECIFICATIONS
2.1 Performance Specifications
17
2
2 SPECIFICATIONS
This chapter describes the specifications of the master/local module.
2.1 Performance Specifications
This section describes the performance specifications of the master/local module.
Item Description
Transmission speed Selected from 156kbps, 625kbps, 2.5Mbps, 5Mbps, and 10Mbps.
Maximum number of connectable
modules (master station)
64
Number of occupied stations (local
station)
1 to 4 stations (The number of stations can be changed using the engineering tool.)
Maximum number
of link points per
system
CC-Link Ver.1 • Remote I/O (RX, RY): 2048 points
• Remote register (RWw): 256 points (master station remote device station/local station/intelligent device
station/standby master station)
• Remote register (RWr): 256 points (remote device station/local station/intelligent device station/standby master
station master station)
CC-Link Ver.2 • Remote I/O (RX, RY): 8192 points
• Remote register (RWw): 2048 points (master station remote device station/local station/intelligent device
station/standby master station)
• Remote register (RWr): 2048 points (remote device station/local station/intelligent device station/standby master
station master station)
Number of link points per remote station/
local station/intelligent device station/
standby master station
Page 18 Number of link points by the number of occupied stations
Communication method Broadcast polling method
Synchronization method Frame synchronization method
Encoding method NRZI method
Network topology Bus (RS-485)
Transmission format HDLC compliant
Error control system CRC (X
16
+ X
12
+ X
5
+ 1)
Connection cable Ver.1.10-compatible CC-Link dedicated cable
Maximum overall cable length (maximum
transmission distance)
Depends on the transmission speed ( Page 22 Maximum Overall Cable Length)
RAS function • Standby master station
• Automatic return function
• Slave station cutoff function
• Error detection using link special relay areas (SB) and link special register areas (SW)
Number of occupied I/O points 32 points
Internal current consumption (5VDC) 0.34A
Weight 0.16kg