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 |