Mitsubishi Electric Melsec-k Instruction Manual page 21

3. HARDWARE CONFIGURATION AND HANDLING
~ ~ l $ $ & K
1
2
3
4 - 9
XI0
XI
Offline
Master test
Slave test
Do not set.
L
Display Description Contents
RUN CPU RUN Optical link CPU is running normally.
--1
Condition
&-Channel number
switches
- , A I
setting digital
SD
sc
,Mode setting digita
a b
- - -
switch
Send Data Send data
Send Clock Send clock
Turns on when
hardware is
- 1
I: ON LINE
I : OFF LINE
2: MASTER TEST
3: SLAVE TEST
RD
These 2 digital switches are used to set channel number when
I
remote I/O or local programmable controller i s used.
Receive Data Receive data
When the channel number i s
21,
the range
setting i s 0 to 32.
- -
R S
cs
CD
CRC
I
*
I - I
Online
~~
-
Request t o Send Request to send
1
Dimly lit when
Clear to Send Sending i s possible sending and recei
ving are normal.
Carrier Detect Carrier detect
CRC Error Code check error
OVER
ABORT. INVAL
~
Caution: Setting the mode switch from
0
to
9
and from
0
to 1 gives the same result. Therefore, exercise
special care for the control of mode switch
during operation.
Overrun Error
Aborted or Invalid Frame Error
Data receiving delay error
Data are all
"I".
Turns on when
error
I S
Reset switch (KJ72P5)
When the operation of system is resumed after error has occurred and remedied (not for the start or auto
m'atic reconnection of optical data link system), press the RESET switch to start the operation of system
See Table 3.2 (page 27).
TIME Time Over Time over error
DATA
UNDER
Data Error Receive data error
R C
- 1
Receive clock
1
Receive clock
1 ~
-~
ID LE
CARR
-
(Not used) O f f
Connector for connecting an optical fiber cable. When connecting the cable, remove the connector cover
positively insert the connector of optical fiber cable, turn it clockwise, and securely connect it.
0
Be careful not to touch the core a t the center of optical connector or not to apply dust to the core
0
When the optical fiber cable is not connected, be sure to mount the connector cover.
SD (for sending)
RD (for receiving)
SD (for sending)
RD (for receiving) RD (for receiving) to SD (for sending).
Be sure t o connect the optical fiber cables from
SD (for sending) to RD (for receiving) and from
,
20