4-4
Section
SRM1(-V2) Communications Functions
275
Word
Bit
Function
Setting
RS-232C Port Settings
The following settings are effective after transfer to the PC.
DM 6645
00 to 03
Port settings
0: Standard (1 start bit, 7-bit data, 2 stop bits, even parity, 9,600 bps)
1: Settings in DM 6646
As re-
quired
04 to 07
CTS control settings
0: Disable; 1: Set
08 to 11
When using a 1:1 PC link: Sets the link words for 1:1 PC Link.
0: LR 00 to LR 15
Not 0: Disable
When using a 1:N NT Link: Sets the maximum PT node number.
1 to 7
The 1:N NT Link is supported by SRM1-C02-V2 only.
0
12 to 15
Communications mode
0: Host Link; 1: No-protocol; 2: 1:1 PC Link Slave; 3: 1:1 PC Link Master; 4: 1:1 NT
Link; 5: 1:N NT Link
(Any other setting specifies Host Link mode, causes a non-fatal error, and turns ON
AR 1302.)
The 1:N NT Link is supported by SRM1-C02-V2 only.
1
DM 6646
00 to 07
Baud rate
00: 1.2K, 01: 2.4K, 02: 4.8K, 03: 9.6K, 04: 19.2K
As re-
quired
08 to 15
Frame format
Start
Length
Stop
Parity
00:
1 bit
7 bits
1 bit
Even
01:
1 bit
7 bits
1 bit
Odd
02:
1 bit
7 bits
1 bit
None
03:
1 bit
7 bits
2 bit
Even
04:
1 bit
7 bits
2 bit
Odd
05:
1 bit
7 bits
2 bit
None
06:
1 bit
8 bits
1 bit
Even
07:
1 bit
8 bits
1 bit
Odd
08:
1 bit
8 bits
1 bit
None
09:
1 bit
8 bits
2 bit
Even
10:
1 bit
8 bits
2 bit
Odd
11:
1 bit
8 bits
2 bit
None
As re-
quired
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
As re-
quired
DM 6648
00 to 07
Node number (Host Link, effective when bits 12 to 15 of DM 6645 are set to 0.)
00 to 31 (BCD)
As re-
quired
08 to 11
Start code enable (RS-232C, effective when bits 12 to 15 of DM 6645 are set to 1.)
0: Disable; 1: Set
As re-
quired
12 to 15
End code enable (RS-232C, effective when bits 12 to 15 of DM 6645 are set to 1.)
0: Disable (number of bytes received)
1: Set (specified end code)
2: CR, LF
qu ed
DM 6649
00 to 07
Start code (RS-232C)
00: 256 bytes
01 to FF: 1 to 255 bytes
08 to 15
End code enable (RS-232C)
00 to FF (BIN)
Note
If an out-of-range value is set, the following communications conditions will re-
sult. In that case, reset the value so that it is within the permissible range.
Communications mode:
Host Link
Communications format:
Standard settings
(1 start bit, 7-bit data; 2 stop bits, even parity,
9,600 bps)
Transmission delay:
No
Содержание SRM1 - PROGRAMING 02-2001
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