CJ-series CompoNet Master Units
last update: October 18, 2012
Item | Specification | |
Communications protocol | CompoNet Network protocol | |
Types of communications | Remote I/ communications ( communications as required with Controllers * |
|
Baud rate | 4 Mbps * |
|
Modulation | Base- |
|
Coding | Manchester code | |
Error control | Manchester code rules, |
|
Communications media | The following media can be used. Round cable I ( Round cable II ( Flat Cable I ( Flat Cable II ( |
|
Communications distance
and wiring |
Refer to Cable Types, |
|
Connectable Master Units | CompoNet Master Units | |
Connectable Slave Units | CompoNet Slave Units | |
Maximum I/ |
Word Slave Units: Bit Slave Units: |
|
Maximum number of nodes | Word Slave Units: Bit Slave Units: Repeater Units: |
|
Bits allocated per node
address |
Word Slave Units: Bit Slave Units: |
|
Maximum number of nodes
per trunk line or sub- line |
32 nodes ( |
|
Applicable node addresses | Word Slave Units: Bit Slave Units: Repeater Units: |
|
Repeater Unit application
conditions |
Up to 64 Repeater Units can be connected per network. from the Master Unit, allowed between a Slave Unit and the Master Unit) |
|
Signal lines | Two lines: |
|
Power lines | Two lines: Power is supplied from the Master Unit or Repeater Units. |
|
Communications power
supply |
24 VDC ± 10% |
|
Connection forms | Flat Cable at baud rate of 93. Other cables or baud rates: |
|
Connections for Slave Units and Repeater Units: |
This section provides specifications on the maximum cable length and maximum number of nodes for each type of cable. Do not exceed these specifications.
Cable type | Maximum length per segment
( Repeater Units) |
Branch
line length |
Total branch
line length per segment |
Branch
location restrictions |
Maximum number of
Slave Units per segment * |
Round cable I | 30 m ( |
0 m * |
0 m * |
- |
32 nodes |
Flat Cable I and Flat Cable II
Round Cable II |
30 m ( |
0 m * |
0 m * |
- |
32 nodes |
*1. T-branches cannot be connected (only multidrop connections are possible).
*2. Number of nodes including Repeater Units
Cable type | Maximum length
per segment ( length with Repeater Units) |
Branch
line length |
Total
branch line length per segment |
Branch
location restrictions |
Maximum
number of nodes per branch * |
Sub- branch line length |
Total sub- branch line length per segment |
Maximum
number of Slave Units per segment * |
Round cable I | 30 m ( |
0. |
8 m | 3 branches/ |
1 node | 0 m | 0 m | 32 nodes |
Flat Cable I
and Flat Cable II Round Cable II |
30 m ( |
0. |
8 m | 3 branches/ |
1 node | 0 m | 0 m | 32 nodes |
Cable type | Maximum length
per segment ( length with Repeater Units) |
Branch
line length |
Total
branch line length per segment |
Branch
location restrictions |
Maximum
number of nodes per branch * |
Sub- branch line length |
Total sub- branch line length per segment |
Maximum
number of Slave Units per segment * |
|
Round
cable I |
Without
branches |
100 m ( |
0 m * |
0 m * |
- |
- |
- |
- |
32 nodes |
With
branches |
30 m ( |
2. |
25 m | 3 branches/ |
3 nodes | 0 m | 0 m | 32 nodes | |
Flat Cable I and
Flat Cable II Round Cable II |
30 m ( |
2. |
25 m | 3 branches/ |
3 nodes | 0. |
2 m * |
32 nodes |
Cable type | Maximum length
per segment ( length with Repeater Units) |
Branch
line length |
Total
branch line length per segment |
Branch
location restrictions |
Maximum
number of nodes per branch * |
Sub- branch line length |
Total sub- branch line length per segment |
Maximum
number of Slave Units per segment * |
Round cable I | 500 m ( |
6 m | 120 m | 3 branches/ |
1 node | - |
- |
32 nodes |
Flat Cable I
and Flat Cable II Round Cable II |
No restrictions to a total length per segment of 200 m | 32 nodes |
Model | CJ1W- |
Applicable Controllers | NJ * |
Unit classification | CJ- |
Current consumption ( supplied from Power Supply Unit) |
400 mA max. |
Communications power supply
connector |
One communications power supply connector for Slave Units and Repeater Units on the trunk line
when using Flat Cable * |
Communications power supply
connector allowable current capacity |
5 A max. |
Maximum number of mountable
Master Units |
One word number assigned: Two word numbers assigned: Four word numbers assigned: Eight word numbers assigned: |
Mounting location | According to NJ/ |
Communications power ON/ monitoring |
The ON/ power supply connector. |
Data stored in Master Unit
( |
1) Registration Table Registration Table Check Type Registered Slave Unit Participation Monitoring Time, Mode, Software Settings Table Communications Error Communications Stop Mode Communications Error Input Data Zero Clear Mode Network settings 2) stopping) |
Noise immunity | Conforms to IEC 61000- |
Vibration resistance | 10 to 61. directions for 80 min each ( |
Shock resistance | 196 m/ |
Dielectric strength | 1, Between communications connector or external current supply connector and GR terminal on Power Supply Unit Between communications connector or external current supply connector and all Unit connectors |
Insulation resistance | 20 MΩ min. |
Ambient operating temperature | 0 to 55°C |
Ambient operating humidity | 10 to 90% |
Ambient operating atmosphere | No corrosive gases |
Storage temperature | - |
Weight | 130 g max. |
*1. Supported only by the CPU Units with unit version 1.01 or later and the Sysmac Studio version 1.02 or higher.
*2. The Master Unit does not required communications power.
last update: October 18, 2012