
B–63523EN–1/03
12. DISPLAY/SET/EDIT
1577
The CNC uses SNP–X protocol direct commands only. So, as the
protocol on the external touch panel (ETP) side, also use SNP–X protocol
direct commands only.
The processing in response to a request for writing 3–byte or longer data
is the same as the processing in response to a request for writing 2–byte
or shorter data. For details of the SNP–X protocol (such as device code
specifications), refer to ”SNP–X Protocol Document”.
(1)The external touch panel interface and the function of enabling DMA
transfer for RS–232C transmission of the C executor (bit 3 (DMA) of
parameter No. 8650) cannot be used at the same time.
(2)The external touch panel and the touch panel on the i series LCD
cannot be used at the same time.
It has been verified that the following touch panels manufactured by
Digital Corporation can be connected with the external touch panel
interface:
S GP–450E
S GP–550T
S GP–550S
#7
3119
#6 #5 #4 #3
TPD
#2 #1 #0
[Data type] Bit
TPD Connection of an external touch panel is:
0 : Enabled.
1 : Disabled.
CAUTION
As described in ”Connection” in ”Function details” above,
RS–232C serial port 2 (JD36B) of the main CPU board of
the CNC is used for ETP connection.
When using an external touch panel, set bit 3 (TPLDS) of
parameter No. 3119 to 0. Then, the JD36B can be used
specifically for the external touch panel regardless of the
existing I/O channel setting (I/O device selection) in
parameter No. 20 (including Nos. 21 to 23). For other I/O
device connection, use another port such as the JD36A.
When TPLDS is set as described above, the existing
settings in parameter Nos. 100 and 121 to 123 are ignored
for channel 2 (JD36B), and the following settings are
assumed:
S Baud rate: 19200 bps
S Stop bit: 1 bit
S Parity check: Even parity
D Protocol
D Caution
D Supplement
Parameter