drt2_devicenet_q102-e1_20_22_csm2147.pdf - 第20页

MEMO

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F-19
Overview
Introducing
DeviceNet Products
Network
Specifications
DRT2-series
Smart Slaves
SmartSlice
GRT1 Series
Intelligent
Slaves
Configurator
and Software
Peripheral
Devices
Ordering
Information
Master
Units
MULTIPLE I/O
TERMINAL Series
CIP Safety on
DeviceNet System
Device
Device
Device
Device
Device
Device
Device Device
Device
Device
Device
Terminating
resistance
Ta p Ta p Ta p
Ta p
24-VDC power supply for network
Ta p
Device
Ta p
Trunk line length (100 m: 500 kbps; 250 m: 250 kbps; or 500 m: 125 kbps)
Multidrop
Star connections
T-branch
Branching to
branch lines
Item
Baud rate
Communication media
Baud rate
500 kbps
Communication distance
250 kbps
125 kbps
• Using a Special 5-wire Cable
Max. network length
100 m max.
250 m max. (See note2.)
500m max. (See note2.)
Branch line length
6 m max.
6 m max.
6 m max.
Total branch line length
39 m max.
78 m max.
156 m max.
Baud rate
500 kbps
250 kbps
125 kbps
• Using a Special 4-wire Cable
Max. network length
75 m max.
150 m max.
265 m max.
Branch line length
6 m max.
6 m max.
6 m max.
Total branch line length
35 m max.
48 m max.
135 m max.
Communications power supply
Specification
DeviceNet
Multidrop and T-branch connections can be combined (for trunk lines and branch lines).
125, 250, or 500 kbps
Special cable: 5-conductor cable (2 signal lines, 2 power lines and 1 shield)
Special Flat cable: 4-conductor cable (2 signal lines, 2 power lines)
24 VDC (external)
Max. number of connectable nodes
Note 1: Terminating resistance required on both ends of the trunk line.
2: These values apply to using Thick Cable on the trunk line. If Thin Cable is used, the value will be 100 m max.
64 Units (including Master Units, Slave Units and Configurator)
DeviceNet Network Specifications
Communications Specifications
Terminating
resistance
(Branch line length: 6 m max.)
Communication protocol
Connection method (See note1.)
Network Specifications
MEMO
1
Master Unit
CJ-series DeviceNet Unit................................................................................... 2
CJ1W-DRM21
CS-series DeviceNet Unit.................................................................................. 3
CS1W-DRM21-V1
Programmable Controllers NSJ Series.............................................................. 4
NSJ@-T@@1(B)-G5D
DeviceNet Board (PCI Board)............................................................................ 7
3G8F7-DRM21-E