109
Communications Functions Section 1-9
1-9-12 SRM1 No Protocol Communications
Peripheral Port Settings When the peripheral port is used to conduct no protocol communications, the
following settings must be made from the peripheral device to DM 6650 to
DM 6653 in the SRM1.
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, even parity, 2 stop bits, 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.)
As
required
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.)
1: No pro-
tocol
DM 6651 00 to 07 Baud rate
00: 1.2K, 01: 2.4K, 02: 4.8K, 03: 9.6K, 04: 19.2K
As
required
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.)
As
required
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
parame-
ters
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
As
required
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
As
required