Communication Module [DeviceNet Master / Slave Module]
System configuration

General Specifications
| Item |
Specification |
| EH-RMD |
EH-IOCD |
| Internal current consumption |
5 V DC, 280mA |
5 V DC, 320mA |
| Weight |
Approximately 0.15 kg (0.33 lb.) |
Approximately 0.17 kg (0.37 lb.) |
| External power supply |
100 (3. 94) 24 V DC ±10 % (supplied from communication connector) |
| Mounted slot position |
Only slot 0 to 2 on basic base, Max. two times / CPU |
CPU Slot |
Performaince Specifications : EH-RMD
| Item |
Specification |
| Link mode |
Remote mode |
| Number of installed units |
2 module / CPU |
4 module / CPU |
Number of slave - connected units |
63 unit |
| Output data |
256 words (Head is fixed at WL0.) |
1,024 Points (input + output) |
| Input data |
256 words (Head is fixed at WL200.) |
| Communication protocol |
DeviceNet 2.0 standard |
| Supported connections |
Poll I/O connection / Bit strobe I/O connection / Cyclic I/O connection / Change of state (COS) I/O connection / Explicit message connection |
| Connection mode |
Multi-drop connection / Multi-branch connection using T branch |
| Baud rate |
500 k / 250 k / 125 kbps (switched by DIP switches) |
| Cable |
Dedicated DeviceNet cable (see Note below) |
| Communication distance |
| Communication speed |
Maximum network length |
Each sub-line length |
Total sub-line length |
| 500 k bits/s |
100 m or less |
6m or less |
39 m or less |
| 250k bits/s |
250 m or less |
6m or less |
78 m or less |
| 125 k bits/s |
500 m or less |
6m or less |
156 m or less |
The maximum network length shows the value when a thick trunk cable is used. |
| I/O assignment |
CPU Link |
Remote 2 |
Performaince Specifications : EH-IOCD
| Item |
Specification |
Number of installed I/O modules |
16 units / EH-IOCD (Use the EH-IOCH2 to install 9 or more units.) |
| Output data |
256 words |
| Input data |
256 words |
| Communication protocol |
DeviceNet 2.0 standard |
| Supported connections |
Poll I/O connection / Bit Strobe I/O connection / Cyclic I/O connection / Change of state (COS) I/O connection / Explicit message connection |
| Connection mode |
Multi-drop connection / Multi-drop connection using T branch |
| Baud rate |
500 k / 250 k / 125 kbps (switched by DIP switches) |
| Cable |
Dedicated DeviceNet Cable (see Note below) |
| Communication distance |
| Communication speed |
Maximum network length |
Each sub-line length |
Total sub-line length |
| 500 k bits/s |
100 m or less |
6m or less |
39 m or less |
| 250k bits/s |
250 m or less |
6m or less |
78 m or less |
| 125 k bits/s |
500 m or less |
6m or less |
156 m or less |
The maximum network length shows the value when a thick trunk cable is used. |
Node Address and Communication Speed Setting
| Node address |
NA1 |
NA2 |
NA4 |
NA8 |
NA16 |
NA32 |
| 0 |
OFF |
OFF |
OFF |
OFF |
OFF |
OFF |
| 1 |
ON |
OFF |
OFF |
OFF |
OFF |
OFF |
| 2 |
OFF |
ON |
OFF |
OFF |
OFF |
OFF |
- - |
|
|
|
|
|
|
| 62 |
OFF |
ON |
ON |
ON |
ON |
ON |
| 63 |
ON |
ON |
ON |
ON |
ON |
ON |
| Baud rate |
DR0 |
OFF |
| 125 |
OFF |
OFF |
| 250 |
ON |
OFF |
| 500 |
OFF |
ON |
| |
ON |
ON |
Note
1 : EH-RMD is supported by EH-CPU316A, 516, 548.
2 : Please prepare the configuration software for set-up.
Supported I/O Modules
The I/O modules that are supported by the EH-IOCD are as follows:
| Type |
Input size (word) |
Output size (word) |
| EH-XD8 |
1 |
0 |
| EH-XD16 |
| EH-XA16 |
| EH-XAH16 |
| EH-XD32 |
2 |
0 |
| EH-XD64 |
4 |
0 |
| EH-PT4 |
4 |
0 |
| EH-AX44 |
8 |
0 |
| EH-AX8V |
| EH-AX8H |
| EH-AX8I |
| EH-AX8IO |
| EH-AXH8M |
| EH-TC8 |
| EH-YT8 |
0 |
1 |
| EH-YT16 |
| EH-YTP8 |
| EH-YPT16 |
| EH-YTP16S |
| EH-YS4 |
| EH-YR8B |
| EH-YR12 |
| EH-YR16 |
| EH-YT32 |
0 |
2 |
| EH-YTP32 |
| EH-YT64 |
0 |
4 |
| EH-YTP64 |
| EH-AY22 |
0 |
8 |
| EH-AY2H |
| EH-AY4V |
| EH-AY4H |
| EH-AY4I |
| EH-AYH8M |
| EH-POS |
4 |
4 |
| EH-POS4 |
| EH-CU |
5 |
3 |
| EH-CUE |