64 point type Option board Specifications
| Type |
|
Function |
| EH-OBMEM |
Memory board |
Backup of a user program and the special internal output for a setup of special function. |
| EH-OB232 |
RS-232C
Communication board |
RS-232C serial communication port, Analog input 2ch |
| EH-OB485 |
RS-422/485 Communication board |
RS-422 / 485 serial communication port, Analog input 2ch |
| EH-OBUSB |
USB board |
USB communication port |
Memory board
| Item |
Specification |
| Memory capacity |
16 ksteps (128 k byte) |
| Size |
19×41.5×7.6 mm |
RS-232C Communication board
RS-232C port Specification
| Item |
Specification |
| Number of port |
1 |
| Cable length |
Max. 15 m |
| Communication system |
Half duplex |
| Baud rate |
300 – 19,200bps |
| Connection mode |
1 : 1 |
| Protocol |
Hi-Protocol(procedure1/2) / Non-Protocol |
Analog Input Specification
| Item |
Specification |
| No. of input |
2 ch. |
| Input range |
0-10V (10.24V max.) |
| Accuracy |
±1% of full cale |
| Resolution |
10 bits |
| Input impedance |
100 kΩ |
| Isolation between channels |
Not isolated |
| Isolation between CPU and analog signal |
Not isolated |
RS-422/485 Communication board
RS-422 / 485 port Specification
| Item |
Specification |
| Number of port |
1 |
| Cable length |
Max. 500 m |
| Communication system |
Half duplex |
| Baud rate |
300 – 19,200bps |
| Connection mode |
1 : N (Max. 32) |
| Protocol |
Hi-Protocol(procedure1/2) / Non-Protocol |
Analog Input Specification
| Item |
Specification |
| No. of input |
2 ch. |
| Input range |
0-10V (10.24V max.) |
| Accuracy |
±1% of full cale |
| Resolution |
10 bits |
| Input impedance |
100 kΩ |
| Isolation between channels |
Not isolated |
| Isolation between CPU and analog signal |
Not isolated |
USB board
| Item |
Specification |
| Function |
USB 232C conversion |
| USB version |
Correspond USB 2.0 |
| Connector |
Straight B type |
| Power |
BUS power |
| Connection mode |
1 : 1 |
| COM port Driver |
Download from FTDI |
Since this board is a converter from RS-232C to USB, the USB port of PC must be regarded as RS-232C port.
For this reason, COM port driver is necessary for your PC. Please download the driver from following URL and install so that USB port works as serial port.
