Chapter 3. Configuration
Chapter 3 Configuration
3.1
Part names and functions
Name and function of each part
Type
EH-OLNK
Weight
Approx. 0.15 kg
Dimensions(mm)
1] Lock button
7] Connector for 5V DC supply
3-1
9]
Connector for Optical type cable (TXD)
< Module bottom view
8] Connector for Optical type cable
(RXD)
RX
D
TX
D
5] Error display clearance switch
4] Station No. setting switch
(1-digits)
3] Station No. setting switch
(10-digits)
2] Module information display
LED
6] Reset switch
30
100
95
No. Name
Function
Remarks
1]
Lock button
When dismounting the module from a base unit, press this
button and lift up the module. The module can be fixed firmly
using a screw (M4, 10 mm).
2]
Module information
display LED
Displays data transmission and receipt, error information and other
details. Refer to the section on LED display for further details.
3]
Station No. setting
switch (10-digits)
4]
Station No. setting
switch (1-digits)
These switches are for station number setting. This information
is refreshed at the power ON or when the reset switch is
pressed. The setting range is from 00 up to 63.
(Ex.) Station No. 18
10-digits … 1
1-digits … 8
- Station No. error will
be detected when 64 or
higher is set.
- When station no. is
duplicated, duplicate
station No. error
detected.
- When No.00 station
does not exist, the link
system does not work.
5]
Error display
clearance switch
Clears the contents of the ERR LED display (the error will be
displayed again if the cause is not resolved.)
The ERR LED will be
off. The CPU error
information will not be
cleared.
6]
Reset switch
For hardware reset.
*
7]
Connector for 5V DC
supplies.
It is used when a bypass function is used.
8]
9]
Connector for optical
type cable
(TXD / RXD)
Connector for transmission cable. Please connect to RXD
connector of next station, and connect to TXD connector of next
station with optical cable.
* The CPU module will detect a "Link Module Error (error code: 59H)" when the reset switch is pressed. Resolve the
CPU module error after the link module resumes normal operations when the reset switch has been pressed.