Omron CQM1H - PROGRAM User Manual

145
SECTION 3
Memory Areas
This section describes the structure of the CQM1H PC memory areas and explains how to use them. It also describes the
Memory Cassette operations used to transfer data between the CPU Unit and a Memory Cassette.
3-1 Memory Area Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
3-2 IR Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
3-2-1 Input and Output Areas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
3-2-2 Work Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
3-2-3 I/O Allocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
3-2-4 Flags/Bits for an Inner Board in Slot 1 (IR 200 to IR 215) . . . . . . . 155
3-2-5 Flags/Bits for an Inner Board in Slot 2 (IR 232 to IR 243) . . . . . . . 158
3-2-6 Flags/Bits for Communications Units . . . . . . . . . . . . . . . . . . . . . . . 159
3-3 SR Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
3-4 TR Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
3-5 HR Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
3-6 AR Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
3-6-1 Shared Flags/Bits (AR 00 to AR 04) . . . . . . . . . . . . . . . . . . . . . . . . 164
3-6-2 Flags/Bits for Inner Boards (AR 05 and AR 06) . . . . . . . . . . . . . . . 165
3-6-3 Shared Flags/Bits (AR 07 to AR 27) . . . . . . . . . . . . . . . . . . . . . . . . 167
3-6-4 Using the Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
3-7 LR Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
3-8 Timer/Counter Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
3-9 DM Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
3-10 EM Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
3-11 Using Memory Cassettes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
3-11-1 Memory Cassettes and Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
3-11-2 Memory Cassette Capacity and Program Size . . . . . . . . . . . . . . . . . 175
3-11-3 Writing to the Memory Cassette. . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
3-11-4 Reading from the Memory Cassette . . . . . . . . . . . . . . . . . . . . . . . . . 177
3-11-5 Comparing Memory Cassette Contents . . . . . . . . . . . . . . . . . . . . . . 178

Omron CQM1H - PROGRAM Specifications

General

I/O Capacity	Up to 512 points
Power Supply	100 to 240 VAC, 50/60 Hz or 24 VDC (depending on model)
Instruction Set	Basic and advanced instructions
Operating Temperature	0 to 55°C
Program Capacity	7.2K to 15.2K steps
Communication Ports	RS-232C
Expansion Slots	Up to 3 expansion units
Type	Programmable Logic Controller (PLC)
CPU Type	RISC
Program Memory	7.2K to 15.2K steps
I/O Points	512 max
Expansion Capability	Up to 3 expansion units
Data Memory	RAM (battery backup)