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4-4
Section
SRM1(-V2) Communications Functions
269
mands. The SRM1(-V2) supports C-mode commands only. For details on Host
Link communications, refer to
4-5
Host Link Commands.
PC Setup Settings
The SRM1(-V2)’s peripheral port and RS-232C port settings must be set proper-
ly in order to use the Host Link communications, as shown in the following table.
Word
Bit
Function
Setting
Peripheral Port Settings
The following settings are effective after transfer to the PC.
DM 6650
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 6651
(Other settings will cause a non-fatal error, the default setting (0) will be used, and
AR 1302 will turn ON.)
To match
host pa-
rameters
04 to 07
Not used.
0
08 to 11
Not used.
0
12 to 15
Communications mode
0: Host Link; 1: No-protocol
(Other settings will cause a non-fatal error, the default setting (0) will be used, and
AR 1302 will turn ON.)
0: Host
Link
DM 6651
00 to 07
Baud rate
00: 1.2K, 01: 2.4K, 02: 4.8K, 03: 9.6K, 04: 19.2K
To match
host pa-
rameters
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
(Other settings will cause a non-fatal error, the default setting (00) will be used, and
AR 1302 will turn ON.)
To match
host pa-
rameters
DM 6652
00 to 15
Transmission delay (Host Link)
0000 to 9999 (BCD): Set in units of 10 ms.
(Other settings will cause a non-fatal error, the default setting (0000) will be used,
and AR 1302 will turn ON.)
To match
host pa-
rameters
DM 6653
00 to 07
Node number (Host Link)
00 to 31 (BCD)
(Other settings will cause a non-fatal error, the default setting (0000) will be used,
and AR 1302 will turn ON.)
00 to 31
08 to 11
Start code enable (RS-232C, effective when bits 12 to 15 of DM 6650 are set to 1.)
0: Disable
1: Set
Any
12 to 15
End code enable (RS-232C, effective when bits 12 to 15 of DM 6650 are set to 1.)
0: Disable (number of bytes received)
1: Set (specified end code)
2: CR, LF
Any