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Specifications
Communication Specifications
■ ModBus specifications
Item
Interface
Protocol
Speed
Distance
Address
Station number
Resistance at end of the link
Recommended cables
As for details of ModBus communication, refer to "Modbus. org. Website"
"Modbus. org. Website": http://www.modbus.org
■ CC-Link specifications
Item
Numbers of occupied stations
CC-Link version
Baud rate
Maximum number of connected units
Remote station number (station number)
■ Twist pair cable specifications
Part of recommended cables of twist pair cables to be used in CC-Link are introduced below.
As for details, refer to "Mitsubishi Electric Open Field Network CC-Link".
CC-Link performance is not guaranteed with other than the recommended cables.
Name
CC-Link exclusive cable
FANC-SB
Type
FA-CBL200SB, etc.
Notes: (1) As for terminal resistance, be sure to use 110 (1/2W) when using CC-Link exclusive cable, and
130 (1/2W) when using CC-Link exclusive high performance cable.
If other combination than the above is used, normal data transmission is not guaranteed.
(2) CC-Link exclusive cable and CC-Link exclusive high performance cable cannot be used in mixture.
As for details of twist pair cable, refer to CC-Link catalog "CC-Link Cable Wiring Manual" and "MELFANS Web".
"MELFANS Web" : http://www.MitsubishiElectric.co.jp/melfansweb/
■ About Programming
Necessary information for operating this device by MELSEC-A/Q series sequencer loading CC-Link interface
unit are as follows.
In addition to this operation manual, read the following documents too.
● PLC I/F unit user's manual
● Electronic Multi-Measuring Instrument programming manual (CC-Link) ................................. LAN040503
■ Data collection for ModBus
Electronic Multi-Measuring Instrument ModBus I/F specification ................................................ LSPNM0072
RS485, 2 wires half duplex
ModBus RTU (binary data)
2400, 4800, 9600, 19200, 38400bps
1000m
1 to 255
31
120 1/2W
Shielded twisted pair, AWG26 (or wider) gauge
1 station
Remote device station (I/O data and word data can be transmitted)
CC-Link Ver 1.10
10Mbps/5Mbps/2.5Mbps/625kbps/156kbps
The following conditions should be satisfied.
If the system is configured by only this instrument, up to 42 units can be connected.
Condition 1 : {(1
a) + (2
b) + (3
a: number of units occupied by 1 station
b: number of units occupied by 2 stations
c: number of units occupied by 3 stations
d: number of units occupied by 4 stations
Condition 2 : {(16
A) + (54
A: number of remote I/O stations
B: number of remote device stations
C: number of local stations
1 to 64
CC-Link exclusive
high performance cable
FANC-SBH
FA-CBL200SBH
Specifications
Specifications
c) + (4
d)}
64
B) + (88
C)}
2304
Kuramo Electric Co., Ltd.
MITSUBISHI ELECTRIC
ENGINEERING, CO., LTD.
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