YOKOGAWA FA-M3 Embedded Machine Controller

YOKOGAWA FA-M3 Embedded Machine Controller

Core system configuration

（1） System architecture

1. Basic components

Core components: Basic module, power module, CPU module, I/O module, special module (analog, communication, positioning, etc.), expansion module (fiber FA bus, Ethernet, etc.)

Topology structure: Main unit (No. 0, including 1 main CPU module, supporting up to 3 extended CPU modules)+Slave units (No. 1-7, without CPU modules), supporting a maximum of 8192 I/O points per system

Expansion methods: Fiber FA bus type 2 module (single segment up to 500m), FA bus type 2 module (shielded twisted pair, up to 70m)

2. Module installation restrictions

The power module must be installed in the leftmost slot

The main CPU module is installed in slot 1, and slots 2-4 can accommodate expansion CPU modules or I/O modules

When installing multiple CPU modules, I/O modules cannot be inserted between CPU modules

A single main unit can install up to 4 CPU modules (1 main CPU+3 expansion CPUs)

（2） Core module specifications

1. Basic module (slot carrier)

Model, number of slots, compatible with power module weight

F3BU04-0N 4 (1 power supply+3 I/O/CPU) F3PU10/16 series 150g

F3BU06-0N 6 (1 power supply+5 I/O/CPU) F3PU10/16 series 210g

F3BU05-0D 5 (1 power supply+4 I/O/CPU) F3PU20/26/30/36 series 210g

F3BU09-0N 9 (1 power supply+8 I/O/CPU) F3PU20/26/30/36 series 340g

F3BU13-0N 13 (1 power supply+12 I/O/CPU) F3PU20/26/30/36 series 470g

F3BU16-0N 16 (1 power supply+15 I/O/CPU) F3PU20/26/30/36 series 550g

2. Power module (power core)

Divided into two categories: AC input and DC input, the core specifications are as follows:

Type Model Series Input Voltage Rated Output Compatible Basic Module

AC input F3PU10-0N/0S 100-240V AC 5V DC, 2.0A F3BU04/06

AC input F3PU20-0N/0S 100-240V AC 5V DC, 4.3A F3BU05/09/13/16

AC input F3PU30-0N/0S 100-240V AC 5V DC, 6.0A F3BU05/09/13/16

DC input F3PU16-0N/0S 24V DC 5V DC, 2.0A F3BU04/06

DC input F3PU26-0N/0S 24V DC 5V DC, 4.3A F3BU05/09/13/16

DC input F3PU36-0N/0S 24V DC 5V DC, 6.0A F3BU05/09/13/16

Key features: Supports 20ms instantaneous power-off tolerance, leakage current ≤ 3.5mA (AC type), insulation resistance ≥ 5M Ω, with FAIL signal contact output (24V DC, 0.3A)

3. CPU module (control core)

Covering four major categories: sequential CPU, BASIC CPU, OS free CPU, and IEC61131-3 CPU, with core parameter examples:

Type Model Example Program Capacity Basic Instruction Execution Time Core Functions

Sequence CPU F3SP21-0N 10K ladder step 0.18-0.36 μ s/step basic logic control

Sequential CPU F3SP59-7S 254K trapezoidal step 0.0175-0.07 μ s/step large capacity high-speed control

BASIC CPU F3BP30-0N 510KB BASIC - Supports BASIC programming language

OS free CPU F3RP70-2L - No operating system, flexible customization

IEC61131-3 CPU F3NP5 □□□□ - Compatible with IEC61131-3 standard

Expansion features: Some models support network functions (Ethernet, PROFIBUS-DP), ROM package expansion storage

4. I/O module (signal interaction)

Covering three major categories: digital quantity, analog quantity, and special functions, the core sub modules are as follows:

Digital input module: F3XH04-3N (high-speed 4-point), F3XA08-1N (AC 8-point), F3XD series (DC 8-64 points, supporting drain/source input)

Digital output module: F3YA08-2N (bidirectional thyristor 8-point), F3YC series (relay output), F3YD series (transistor output, with short-circuit protection)

Analog module: F3AD series (input 4-8 points, 12-16 bit accuracy), F3DA series (output 2-8 points, 12-16 bit accuracy)

Special modules: F3CT series (temperature control), F3XP series (high-speed counter), F3NC series (positioning control, supporting 1-15 axes)

Key features: Isolation method includes optocoupler/mechanical/transformer isolation, with a withstand voltage of 1500V AC (optocoupler/mechanical) or 500V AC (transformer)

5. Expansion and Communication Module

Communication modules: Ethernet (F3LE series, 10/100Mbps), PROFIBUS-DP (F3LB01-0N), DeviceNet (F3LD series) Modbus（F3LC31-2F）

Remote I/O modules: YHSLS main module (F3LH series, 12Mbps, up to 252 slave stations), fiber FA bus module (F3LR series, 10Mbps)

（3） Auxiliary components

ROM package: RK series, stores programs/data, supports 5K-254K ladder steps, compatible with serial CPUs and BASIC CPUs

Cable: Programming tool cable (KM11 series), fiber optic cable (KM60/KM61 series), terminal block cable (KM55 series)

Terminal blocks: TA40-0N (40 points, European type), TA50 series (40 points, DIN rail installation), TA60-0N (40 points, compact type)

Key technical parameters

（1） Environmental and physical parameters

Category specifications

Working temperature 0-55 ℃ (some modules require a narrower range), storage temperature -20-75 ℃

Relative humidity 10-90% RH (non condensing)

Installation requirements for indoor use, metal panel enclosure (protection level IK08 or above)

The highest altitude is 2000m

Anti vibration 10-57Hz amplitude 0.075mm, 57-150Hz acceleration 9.8m/s ² (10 times in X/Y/Z directions)

Anti impact acceleration of 147m/s ² (98m/s ² for DIN rail installation), 3 times in X/Y/Z directions each

（2） Electrical parameters

Power supply fluctuation: AC power supply 85-264V, DC power supply 15.6-31.2V

Voltage resistance: power terminal - grounded 1500V AC/1 minute, signal terminal - grounded 1000V AC/1 minute

Leakage current: ≤ 3.5mA (AC power module)

Insulation resistance: ≥ 5M Ω (tested at 500V DC)

Allow instantaneous power outage: Standard mode up to 20ms, immediate detection mode up to 2-10ms (depending on power module model)

（3） Performance indicators

CPU processing speed: Basic instructions 0.00375 μ s-0.36 μ s/step (depending on model)

I/O response time: The fastest digital quantity is 50 μ s, and the fastest high-speed module is 0.1ms

Communication speed: Ethernet up to 100Mbps, PROFIBUS-DP up to 12Mbps, YHSLS up to 12Mbps

Scalability: Up to 7 slave units, 32 FA link H module sites, and a maximum of 8192 I/O points per system

Installation and wiring specifications

（1） Installation requirements

1. Fixed method

DIN rail installation (F3BU04/06/05/09/13) or M4 screw fixation (all models)

F3BU16-0N only supports screw fixation and does not support DIN rails

2. Installation gap and space

Vertical installation spacing ≥ 8cm, unobstructed upper and lower ventilation openings

The module installation needs to be tightened to the buckle lock, and additional screws are required to fix it in the vibration environment

Installation of fiber optic modules requires reserved bending radius: temporary laying of fiber optic cables ≥ 15mm, fixed laying ≥ 50mm; temporary laying of fiber optic cables ≥ 50mm, fixed ≥ 100mm

3. Environmental adaptation

Avoid direct sunlight and stay away from heat sources such as transformers and electromagnetic switches

Space heaters are required for condensation risk environments, and preheating is necessary before starting at low temperatures

（2） Wiring specifications

1. Conductor requirements

Only copper conductors are allowed, with a cross-sectional area of 0.33-2.1mm ² (AWG14-22)

Conductor temperature resistance ≥ 75 ℃, grounding cable cross-sectional area ≥ 2mm ²

2. Terminal torque

M3 screw: 0.8N · m, M3.5 screw: 0.8-1.2N · m, M4 screw: 1.2N · m

Terminal block screw tightening torque 0.22-0.6N · m (depending on model)

3. Anti interference measures

The distance between power cables and signal cables is ≥ 20cm, and analog and digital signals are routed in separate slots

Both ends of the shielded cable should be grounded, and the signal cable should be kept away from the power cable (≥ 20cm)

The input line of the power module adopts twisted pair cable and is equipped with ferrite core (in noisy environment)

4. Grounding requirements

Protective grounding (FG): connected to a protective grounding grid that complies with national standards, with a grounding resistance of ≤ 100 Ω

Functional grounding (FG): Low impedance grounding, CE compliance requires the use of braided wire

The LG terminal (line filter grounding) needs to be properly grounded, otherwise it may generate a half wave potential

（3） CE/UL/UKCA compliance requirements

EMC compliance: EN 61326-1 Class A, EN 55011 Class A, for use in industrial environments (residential environments require additional anti-interference measures)

LVD compliance: EN 61010-1, EN IEC 61010-2-201, overvoltage category II, pollution level 2

RoHS compliance: EN IEC 63000 standard

UKCA certification: The importer for the UK market is Yokogawa United Kingdom Limited

Testing and maintenance process

（1） Test running steps

Installation inspection: The module is securely installed, the panel is well ventilated, and the gap meets the requirements

Wiring inspection: correct polarity, terminal tightening, shielding layer grounding, cable routing compliance

Insulation test: 500V DC megohmmeter test, insulation resistance ≥ 5M Ω

Power supply test: Measure the power supply voltage and confirm that it meets the module input requirements

Power on test: If the power indicator light (RDY) is constantly on, it is normal. Check that the module has no abnormal heating

Functional testing: First test the emergency stop and other safety circuits → Single module functional testing → System linkage testing → Automatic operation testing → Fault simulation testing

（2） Maintenance points

1. Regular maintenance

Cleaning: Wipe the panel with a soft cloth and neutral detergent to prevent moisture from entering the interior of the module

Inspection: Regularly check cable connections, terminal fastening, and module indicator light status

Spare parts replacement: Modules that have been in use for over 10 years require preventive replacement; The built-in lithium battery in the CPU module (with a lifespan of ≥ 10 years at room temperature) needs to be checked regularly

2. Fault handling

Self diagnostic function: After the CPU module is powered on, it automatically performs hardware initialization, RAM check, and I/O configuration check. When there is a fault, it prompts through indicator lights and error codes

Common faults: abnormal power supply (check voltage/fuse), communication faults (check cables/grounding), I/O unresponsive (check wiring/module installation)

Error code: including Error (1-4) and Alarm (6-10) series, corresponding to voltage, temperature, A/D conversion, memory and other faults respectively

3. Module replacement

Power off operation: Before plugging or unplugging modules, the power must be turned off to avoid damaging components

Replacement note: Use designated spare parts from Yokogawa, and perform functional testing again after replacement

Safety and compliance requirements

（1） Key points for safe operation

Power off operation: Before wiring or plugging in modules, the power must be turned off to avoid electrical shock

High temperature protection: Some modules may experience high temperatures during operation, and protective gloves should be worn during maintenance

Load limit: The output module must not exceed the rated current (transistor type 0.1A-2A/point, relay type 2A/point)

Prohibition of modification: It is not allowed to modify the internal circuit or shell of the module, otherwise the safety guarantee will be lost

Safety circuit: An external relay must be connected to achieve emergency stop circuit interlocking, which is linked to the operation status of the controller

（2） Waste disposal (EU/UK region)

Equipment disposal: Do not dispose of as household waste, contact the local Yokogawa office for disposal in accordance with environmental regulations

Battery disposal: The module has built-in lithium batteries (lithium classification), and batteries that can be disassembled by users need to be separately classified and recycled; Non removable to be disposed of together with the equipment

WEEE Compliance: Complies with the requirements of the WEEE Directive, with product labeling featuring a dedicated recycling label

（3） Software Usage Specification

Software authorization: For single computer use, additional authorization is required for multiple devices

Prohibited behaviors: Reverse engineering (such as decompilation), unauthorized copying/transfer/leasing of software are prohibited

Backup requirements: The original software media must be securely stored and only copies for backup purposes are allowed

Key accessories and spare parts

（1） Core attachments

Category Model Example Usage

Programming tool cable KM11-2T/KM13-1S connects PC and CPU modules for program download/debugging

Fiber optic cable KM60-001/KM61-100 module to module extended communication, suitable for indoor/outdoor use

Terminal block cable KM55-005/KM55-030 connects I/O module and terminal block, length 0.5-3m

Terminal block TA40-0N/TA50-0N I/O signal adapter, supports screw fixation/DIN rail installation

（2） Common spare parts

Spare part name, part number, applicable scenarios

Fuse A1113EF power module overcurrent protection (3.15A delay type)

Terminal A1474JT/T9113PF 10/18 point terminal block replacement

Dust proof connector cover T9031AS module connector dust protection

Rail Installation Kit T9031AP/T9031AQ Basic Module DIN Rail Installation and Fixation

Shielding clip FGC series shielded cable grounding fixation