4-3
Section
CPM2A/CPM2C Communications Functions
246
The PC Setup settings that are required depend on whether a peripheral port or
an RS-232C port is used.
Settings for RS-232C Port
Note
If SW1 on the front panel of the CPU Unit is ON, the RS-232C port will operate
with the default settings regardless of the settings in DM 6645 to DM 6649.
Word
Bit
Function
Setting
DM 6645
00 to 03
Port settings
0: Standard (1 start bit, 7-bit data, 2 stop bits, even parity, 9,600 bps; Host
Link unit number: 0)
1: Settings in DM 6646
(Other settings will cause a non-fatal error, the default setting will be used,
and AR 1302 will turn ON.)
Match host
parameters
04 to 07
CTS control settings
0: Disable; 1: Set
0 or 1
08 to 11
Link words for 1:1 PC Link
0: LR 00 to LR 15; Other: Not effective
Any
12 to 15
Communications mode
0: Host Link (default setting); 1: RS-232C (no-protocol); 2: 1:1 PC Link Slave;
3: 1:1 PC Link Master; 4: 1:1 NT Link
(Other settings will cause a non-fatal error, the Host Link setting will be used,
and AR 1302 will turn ON.)
0
DM 6646
00 to 07
Baud rate:
00: 1,200 bps 01: 2,400 bps 02: 4,800 bps 03: 9,600 bps 04: 19,200 bps
Match host
parameters
08 to 15
Frame format
Start
Length Stop Parity
00:
1
7
1
Even
01:
1
7
1
Odd
02:
1
7
1
None
03:
1
7
2
Even
04:
1
7
2
Odd
05:
1
7
2
None
06:
1
8
1
Even
07:
1
8
1
Odd
08:
1
8
1
None
09:
1
8
2
Even
10:
1
8
2
Odd
11:
1
8
2
None
(Other settings will cause a non-fatal error, the default settings (03) will be
used, and AR 1302 will turn ON.)
DM 6647
00 to 15
Transmission delay (Host Link)
0000 to 9999 (BCD): Set in units of 10 ms, e.g., setting of 0001 equals 10 ms
(Other settings will cause a non-fatal error, the default setting (0000) will be
used, and AR 1302 will turn ON.)
0000 to 9999
DM 6648
00 to 07
00 to 31 (BCD): Node number (Host Link)
(Other settings will cause a non-fatal error, the default setting (00) will be
used, and AR 1302 will turn ON.)
00 to 31
08 to 11
Start code enable (RS-232C)
0: Disable; 1: Use start code in DM 6649.
Any
12 to 15
End code enable (RS-232C)
0: Disable (number of bytes received)
1: Use end code in DM 6649.
2: CR, LF
(Other settings will cause a non-fatal error, the disable setting will be used,
and AR 1302 will turn ON.)
Any
PC Setup
Содержание SRM1 - PROGRAMING 02-2001
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