
2.LCD-MOUNT TYPE 16i/18i/21i-A/B MAINTENANCE B-62714EN/04
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2.3 SETTING
Setting pin (SH1)
The I/O Link-II board has a setting pin (SH1) mounted. This setting
pin is used for testing at the factory. This setting pin is set before
shipment. Do no modify the setting. If the plug is removed, the board
malfunctions.
Setting pin (SH3)
The I/O Link-II board has a setting pin (SH3) mounted. This setting
pin is used for testing at the factory. No plug is installed before
shipment. Do no install a plug. Otherwise, the board malfunctions.
Rotary switch (SW1)
The I/O Link-II board has a rotary switch (SW1) mounted.
SRAM initialization and baud rate setting
The parameters related to the I/O Link-II function are stored in the
SRAM on the I/O Link-II board. When using the I/O Link-II board for
the first time, initialize the SRAM on the board according to the
procedure below.
(1) While the power to the CNC is off, set the rotary switch (SW1)
on the board to E.
(2) Turn on the power, and check that the normal CNC screen
appears. (At this time, the SRAM is initialized.)
(3) Turn off the power, then reset SW1 from E to 0. Finally, turn on
the power again.
(4) The I/O Link-II board operates at a baud rate of 1 Mbps.
Setting Baud rate
0 1Mbps
CAUTION
The baud rate is to be fixed at 1 Mbps. Do not
change the setting.