Panasonic FP0R - User Manual

Questions and Answers

D
David FreemanJul 30, 2025
Why is the ERROR/ALARM LED flashing on my Panasonic Control Unit?
- G
  gmooreJul 30, 2025
  If the ERROR/ALARM LED is flashing, use the programming software to check the error code. In online mode, monitor the PLC status, or find the error code in the 'Self-diagnostic error' section. You can also try to clear the error by choosing [Clear] in the 'PLC status' dialog while in PROG mode. Another solution is to turn the power supply off and on while in PROG mode, which clears the operation memory (except hold type data). Finally, you can execute the self-diagnostic error set instruction F148_ERR.
K
Katrina MorrisonAug 3, 2025
What to do if all LEDs are OFF on my Panasonic Control Unit?
- S
  Shannon FigueroaAug 3, 2025
  If all the LEDs are off, start by checking the power supply wiring and ensure that the power supplied to the CPU is within the rated range, accounting for any fluctuations. If the CPU shares a power supply with other devices, disconnect their wiring. If the CPU LEDs turn on after disconnecting other devices, either increase the capacity of the power supply or use a separate power supply for the other devices.
K
Kimberly LeeAug 8, 2025
How to diagnose output malfunction in Panasonic Control Unit?
- E
  elizabethfrancoAug 8, 2025
  Diagnosing an output malfunction involves checking both software (program, I/O allocation) and hardware (wiring, power supply). Start by checking the output side, then the input side. If the output status LEDs are ON, check the wiring of the loads and ensure power is properly supplied to them. If power is supplied but the load isn't working, there may be an issue with the load itself. If the output status LEDs are OFF, monitor the output condition using Control FPWIN Pro. If the output monitored is TRUE, there may be a duplicate output error. You can also try setting the output to TRUE by force using Control FPWIN Pro. If the output status LED turns ON after forcing it, you need to check the input side. If the LED remains OFF, there is likely an abnormality with the outputs.
K
Kyle HornAug 12, 2025
What to do if the ERROR/ALARM LED is ON on my Panasonic Control Unit?
- V
  vkellyAug 12, 2025
  If the ERROR/ALARM LED is continuously ON, it could be due to several reasons. The system watchdog timer might have been activated; if so, set the mode selector from RUN to PROG mode and cycle the power. Also, check if the program execution time is too long and set the mode selector from PROG to RUN mode. Ensure instructions like JP or LOOP are not programmed in a way that prevents a scan from finishing, and verify that interrupt instructions are not executed in succession. Also check if the ERROR/ALARM LED is flashing.
S
Steven JamesAug 16, 2025
What to do if the input status LEDs are OFF on my Panasonic Control Unit?
- D
  Daniel ClaytonAug 17, 2025
  If the input status LEDs are OFF, first check the wiring of the input devices and ensure that power is properly supplied to the input terminals. If power is correctly supplied, there may be an issue with the inputs themselves. If power is not reaching the input terminal, there is likely a problem with the input device or its power supply. Check both the input device and its power supply.
L
Lisa GambleAug 20, 2025
What to do if the input status LEDs are ON on my Panasonic Control Unit?
- T
  Timothy JohnsonAug 21, 2025
  If the input status LEDs are ON, monitor the input condition using Control FPWIN Pro. If the input monitored is FALSE, there is probably an abnormality with the inputs. If the input monitored is TRUE, check the leakage current at the input devices (e.g., two-wire type sensor) and review the program. Also, check for duplicate output errors and outputs rewritten by high-level instructions. Verify the program flow when using instructions like MC or JP, and ensure the I/O map matches the actual mounting status.
M
Margaret NguyenAug 26, 2025
Why won't my Panasonic Control Unit PROG mode change to RUN?
- V
  vrobersonAug 26, 2025
  If the PROG mode does not change to RUN, a syntax error or a self-diagnostic error might have stopped the operation. Check if the ERROR/ALARM LED is flashing. Locate the syntax error by executing Monitor ? PLC status.

Summary

Safety Precautions for FP0 R PLC

WARNING: Critical Safety Information

Critical situations that could lead to user's death or serious injury by mishandling the product.

CAUTION: Important Safety Guidance

Critical situations that could lead to user's injury or property damage by mishandling the product.

Copyright and Trademark Notices

Legal information regarding manual copyright and product trademarks.

FP0 R Initial Setup and Precautions

Operating Environment and Static Electricity Handling

Specifies operating conditions and safety measures against static discharge.

Power Supply Requirements and Startup Sequence Guidelines

Details power supply requirements, wiring, and the correct sequence for power on/off.

Program Storage and Password Security Measures

Recommends document drafting and careful password setting to prevent program loss.

FP0 R Programming Tool Compatibility and Restrictions

Usable Programming Software and Tools List

Lists compatible programming software (FPWIN GR, FPWIN Pro) and hardware.

Key Notes for Programming Tool Usage

Provides crucial notes on software upgrades, web site access, and compatibility for programming tools.

Using FP0 Programs with FP0 R PLC

FP0 Program Usage Modes on FP0 R

Explains using FP0 programs in FP0R specific or FP0 compatibility modes.

FP0 Program Conversion Process for FP0 R

Outlines steps for model setting, register reset, and program modification for FP0R.

FP0 vs. FP0 R Specification Differences for Program Updates

Data Area and Instruction Set Differences

Details changes in data areas, supported instructions, and special relay/register addresses.

Special Relays and Data Registers Modifications

Lists specific changes to special internal relays and data registers for high-speed counters.

FP0 R FP0 Compatibility Mode Operation and Setup

FP0 Compatibility Mode Functionality Overview

Describes the FP0 compatibility mode and its operational characteristics.

FP0 Compatibility Mode Setup and Model Restrictions

Explains mode usage and model matching restrictions for FP0 program downloads.

FP0 Compatibility Mode vs. FP0 Instruction Differences

P13 (PICWT) Instruction Execution Time Differences

Compares P13 instruction execution times between FP0 and FP0 compatibility modes.

F170 (PWM) Instruction Frequency Setting Differences

Details differences in settable frequencies for the F170 PWM output instruction.

FP0 Compatibility Mode vs. FP0 Differences (Continued)

Data Size and Instruction Specification Changes

Covers data size changes for HSC/pulse output and specifications for F144, F169, F168 instructions.

Calculation Process and Secondary Battery Behavior

Explains real number calculation accuracy and T32 secondary battery error handling.

Panasonic FP0R Specifications

General

Model	FP0R
Category	Controller
Program Capacity	16k steps
Communication Ports	RS-232C, USB
Expansion	Up to 3 expansion units
Power Supply	24 V DC
CPU Type	32-bit RISC
Processing Speed	0.08 μs/step
High-speed Counter	Up to 100kHz
Operating Temperature	0 to +55 °C
Pulse Output	Up to 100kHz
Dimensions	90mm x 60mm x 25mm