Omron CPM1 Programming Manual

353
Communications Instructions Section 5-27
N determines which part of the RS-232C Setup is changed.
If S is a word address, the contents of S through S+4 are copied to the 5
words in the PC Setup that contain the settings for the port specified by N.
If S is input as the constant #0000, the settings for the specified port are
returned to their default values.
Application Example This example shows a program that transfers the contents of DM 0100
through DM 0104 to the PC Setup area for Communications Board port A
(DM 6555 through DM 6569).
The settings are transferred as shown below. The Changing RS-232C Setup
Flag (SR 27504) will be turned OFF when the transfer has been completed.
The following table shows the function of the transferred setup data.
Flags ER: Indirectly addressed DM word is non-existent. (Content of *DM word
is not BCD, or the DM area boundary has been exceeded.)
The port specifier (N) isn’t IR 000, IR 001, or IR 002.
Port A has been specified, but pin 2 of the DIP switch is ON.
The PC Setup is write-protected. (Pin 1 of the DIP switch is ON.)
The specified source words exceed the data area.
The instruction was executed from an interrupt program.
NSpecified Port
IR 000 Built-in RS-232C port (PC Setup: DM 6645 to DM 6649)
IR 001 Communications Board port A (PC Setup: DM 6555 to DM 6559)
IR 002 Communications Board port B (PC Setup: DM 6550 to DM 6554)
SFunction
Word
address
The contents of S through S+4 are copied to the part of the PC Setup that
contains the settings for the port specified by N.
Constant
(#0000)
The settings for the port specified by N are returned to their default val-
ues.
Word Content Function
DM 0100 1001 Enables the communications settings in DM 0101 and
sets the communications mode to RS-232C.
DM 0101 0803 Sets the following communications settings:
9,600 bps, 1 start bit, 8-bit data, 1 stop bit, no parity
DM 0102 0000 No transmission delay (0 ms)
DM 0103 2000 Enables the end code CR, LF.
DM 0104 0000 ---
@STUP(––)
001
DM 0100
00000
Address Instruction Operands
00000 LD 00000
00001 @STUP(––)
001
DM 0100

Omron CPM1 Specifications

General

Model	CPM1
Manufacturer	Omron
Instruction Set	Basic and advanced instructions
Power Supply	100 to 240 VAC or 24 VDC
Communication	RS-232C
I/O Points	10, 20, 30, or 40 points depending on the model
Timers	Yes, multiple timers available
Counters	Yes, multiple counters available
Input Voltage	24V DC
Output Type	Relay or transistor
Number of I/O Points	10, 20, 30, 40
Communication Ports	RS-232C (optional)
Operating Temperature	0°C to 55°C
Storage Temperature	-20°C
Humidity	10% to 90% (non-condensing)
Dimensions	Varies depending on the model
Weight	Varies depending on the model
Program Memory	2048 steps (2K steps)