OMRON CP1H PLC Practical Manual

Total frequency ≤ 5kHz (sum of all count mode interrupts)

SV is stored in A532~A551, PV is stored in A536~A551

5.3 Timed Interruption

Fixed interval triggered interrupt task 2

The interval unit can be selected as 10ms, 1ms, or 0.1ms (PLC Setup setting)

Minimum interval of 0.5ms, response error ≤ 1ms

5.4 High speed counter interrupt

Register target values or region comparison tables through CTBL (882), and trigger specified interrupt tasks (0~255) when PV matches

The maximum number of entries in the target value comparison table is 48, and the maximum number of intervals in the region comparison table is 8

5.5 External Interrupt

Interrupt requests from CJ series special I/O units or CPU bus units

5.6 Precautions for Interrupt Programming

The interrupt task program must be independent and end with END (001)

When multiple interrupts occur simultaneously, the priority is: external interrupt>input interrupt>high-speed counter interrupt>timed interrupt; Priority given to tasks with smaller numbers within the same category

If the interrupt task and the loop task access the same memory address, DI (693)/EI (694) should be used to mask the interrupt to prevent data inconsistency

Chapter 6: Analog Function (XA Type) and Analog Adjustment

6.1 Built in analog input (XA type)

4-channel, select voltage or current input through internal DIP switch (factory default voltage)

Resolution options are 1/6000 or 1/12000 (set uniformly in PLC Setup)

Voltage input range: 0~5V, 1~5V, 0~10V, -10~+10V

Current input range: 0~20mA, 4~20mA

Average processing function (can be enabled separately)

Wire breakage detection: When 1-5V input is less than 0.8V or 4-20mA is less than 3.2mA, the converted data is 8000 hex

A/D conversion data stored in CIO 200~203

6.2 Built in analog output (XA type)

2 channels, output range same as input (voltage/current optional)

Convert data and write it to CIO 210~211

Conversion time: 1ms/point (total 6ms)

6.3 Analog regulator and external analog setting

Front panel analog regulator: 0~255 (A642)

External analog input (0~10V): 0~256 (A643)

Suitable for on-site settings that do not require high precision (such as timer SV)

Chapter 7: Serial Communication and Option Board

7.1 USB port

Standard USB 1.1 (Type B), used to connect supported software such as CX Programmer

Plug and play, requires installation of USB driver (located in the CX One installation directory)

Only one CP1H can be connected to the same computer (USB restriction)

7.2 Serial Option Board

CP1H provides two option slots for installation:

CP1W-CIF01: RS-232C port (D-sub 9-pin female head)

CP1W-CIF11: RS-422A/485 port (non isolated, 50m)

CP1W-CIF12: RS-422A/485 port (isolated, 500m)

7.3 Communication Mode

Host Link: Upper computer C-Mode/FINS command, 1:1 or 1: N (NT-AL001 required)

NT Link (1: N): Connect NS/NT series touch screens

No protocol: TXD/RXD instructions can be freely sent and received

Serial PLC link: Up to 9 CP1H/CJ1M share data (1 master and 8 slaves), 10 words per unit

Modbus RTU simple master station: Control Modbus slave stations through DM fixed allocation words (D32200~D32299 serial port 1, D32300~D32399 serial port 2) and software switches

Serial gateway: FINS command to CompoWay/F or Modbus RTU

7.4 Serial PLC Link

Can be implemented on RS-422A/485 (multiple units) or RS-232C (2 units)

Data refresh method: full link (all node data mapped to each other) or master link (slave only exchanges with master)

Link word range: CIO 3100~3189

Chapter 8: LCD Option Board (CP1W-DAM01)

8.1 Function Overview

2.6cm x 1.45cm LCD screen, 4 lines x 12 characters

Green backlight (normal)/Red backlight (flashing when PLC error occurs)

Supports display in English/Japanese (katakana)

8.2 Main functions

PLC mode display/switching: RUN/MONITOR/PROJECT

I/O memory monitoring/modification: supports CIO, W, H, A, D, T, C and other areas, can display hexadecimal, signed/unsigned decimal

PLC Setup monitoring/modification: quick access to key parameters such as operating modes

Analog monitoring: Display analog regulator (A642) and external analog settings (A643)

Error history: up to 20 records, displaying error codes and occurrence times

Memory card operation: load, save, compare, format CP1W-ME05M

User monitoring screen: up to 16 screens, 4 lines per screen, with customizable I/O addresses and text strings

Message screen: Up to 16 screens, triggered by control bits (W000.00~W000.15) for display

Timer switches: daily timer, weekly timer, calendar timer, up to 16 each

Data backup: Save user settings (monitoring screen, message screen, timer, etc.) to the DM area (D8000~D8999) or load from the DM area

8.3 Installation and DIP switch

Installed in option slot 1, the CPU unit DIP switch SW4 needs to be set to ON (Toolbus 115.2kbps)

Otherwise, communication will not be possible

Chapter 9: Ethernet Option Board (CP1W-CIF41)

9.1 Specifications

100Base-TX/10Base-T， Support automatic negotiation, automatic MDI/MDI-X

Protocol: FINS/UDP, FINS/TCP, HTTP (Web Server)

FINS message maximum length: 1016 bytes (data area 1004 bytes)

Number of TCP connections: 2 (only as a server)

Support IP address table, IP router table, and routing table

9.2 Function

Programming/monitoring via Ethernet using CX Programmer (Ver. 8.1 or above)