4-4
Section
SRM1(-V2) Communications Functions
278
Word
Setting
Function
Bit
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.
Any
12 to 15
Communications mode
1
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
The 1:N NT Link is supported by SRM1-C02-V2 only.
4
Note
1. If an improper setting is used, a non-fatal error will occur, AR 1302 will be
turned ON, and the default setting (0 or 00) will be used.
2. For information on the NT Link settings for another OMRON PC, refer to that
PC’s Operation Manual.
3. If an out-of-range value is set, the following communications conditions will
result. 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
Node number:
00
4-4-4 One-to-N NT Link Communications
The 1:N NT Link allows an SRM1(-V2) PC to be connected to as many as 8
OMRON Programmable Terminals (PTs) and direct access provides high-speed
communications. The 1:N NT Link can be used with the RS-232C port.
OMRON Programmable Terminal
SRM1
The 1:N NT Link is possible only with the SRM1-C02-V2 PCs, which have an
RS-232C port.