52
Specifications Section 2-2
Note (1) For detailed specifications, refer to 5-5 Analog I/O (XA CPU Units).
(2) Can be used as Modbus-RTU easy master function.
2-2-2 I/O Memory Details
Maximum subroutine number 256
Maximum jump number 256
Scheduled interrupts 1
Clock function Supported.
Accuracy (monthly deviation): −4.5 min to −0.5 min (ambient temperature: 55°C),
−2.0 min to +2.0 min (ambient temperature: 25°C),
−2.5 min to +1.5 min (ambient temperature: 0°C)
Memory
Backup
Built-in flash memory User programs and parameters (such as the PLC Setup) are automatically saved to
the flash memory. It is also possible to save and read data memory initial data.
The data is automatically transferred to RAM when the power supply is turned ON.
(Data memory initial data, however, may or may not be transferred, depending on
the selection in the PLC Setup.
Battery backup The HR Area, DM Area, and counter values (flags, PV) are backed up by a battery.
Battery model: CJ1W-BAT01 (Built into the CP1H CPU Unit.)
Maximum battery service life: 5 years
Guaranteed (ambient temperature: 55°C): 13,000 hours (approx. 1.5 years)
Effective value (ambient temperature: 25°C): 43,000 hours (approx. 5 years)
Memory Cassette function A CP1W-ME05M Memory Cassette (512K words, optional) can be mounted. It can
be used to back up the following data on the CPU Unit's RAM and to transfer the
data at startup.
• Data saved on Memory Cassette: User programs, parameters (such as the PLC
Setup), DM Area, data memory initial data, comment memory (CX-Programmer
conversion tables, comments, program indices), and FB program memory.
• Writing to Memory Cassette: By operations from the CX-Programmer.
• Reading from Memory Cassette: At startup, or by operations from the CX-Pro-
grammer.
Type X CPU Units XA CPU Units Y CPU Units
Model CP1H-X40DR-A
CP1H-X40DT-D
CP1H-X40DT1-D
CP1H-XA40DR-A
CP1H-XA40DT-D
CP1H-XA40DT1-D
CP1H-Y20DT-D
Type X CPU Units XA CPU Units Y CPU Units
Model CP1H-X40DR-A
CP1H-X40DT-D
CP1H-X40DT1-D
CP1H-XA40DR-A
CP1H-XA40DT-D
CP1H-XA40DT1-D
CP1H-Y20DT-D
I/O Areas Input bits 272 bits (17 words): CIO 0.00 to CIO 16.15
Output bits 272 bits (17 words): CIO 100.00 to CIO 116.15
Built-in Analog Input
Area
--- CIO 200 to CIO 203 ---
Built-in Analog Out-
put Area
--- CIO 210 to CIO 211 ---
Data Link Area 3,200 bits (200 words): CIO 1000.00 to CIO 1119.15 (words CIO 1000 to CIO 1119)
CJ-series CPU Bus
Unit area
6,400 bits (400 words): CIO 1500.00 to CIO 1899.15 (words CIO 1500 to CIO 1899)
CJ-series Special
I/O Unit Area
15,360 bits (960 words): CIO 2000.00 to CIO 2959.15 (words CIO 2000 to CIO 2959)
Serial PLC Link Area 1,440 bits (90 words): CIO 3100.00 to CIO 3189.15 (words CIO 3100 to CIO 3189)
DeviceNet Area 9,600 bits (600 words): CIO 3200.00 to CIO 3799.15 (words CIO 3200 to CIO 3799)
Work bits 4,800 bits (300 words): CIO 1200.00 to CIO 1499.15 (words CIO 1200 to CIO 1499)
37,504 bits (2,344 words): CIO 3800.00 to CIO 6143.15 (words CIO 3800 to CIO 6143)
Work bits 8,192 bits (512 words): W000.00 to W511.15 (words W0 to W511)