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Home > Electrical & Electronics > Electrical Control System > Foxboro FBM230 P0926GU Switch Quantity I/O Module

Foxboro FBM230 P0926GU Switch Quantity I/O Module

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Foxboro FBM230 P0926GU Switch Quantity I/O Module photo-1

Foxboro FBM230 P0926GU Switch Quantity I/O Module photo-2

Foxboro FBM230 P0926GU Switch Quantity I/O Module photo-3

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

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Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

Operating Temperature -40°C to 70°C

Dimensions 160mm×99mm×40mm

Humidity 5%-95% non-condensing

Foxboro FBM230 P0926GU

I. Functional Features

Multi-channel Digital Input/Output: Equipped with 16 isolated digital input (DI) channels and 16 relay output (DO) channels, supporting dry/wet contact signals. It is suitable for status monitoring and control in industrial fields (e.g., signal collection and output for valve switching and motor start/stop).
High-reliability Isolation Design: Each channel adopts optoelectronic isolation with an isolation voltage ≥500V AC, featuring strong electromagnetic interference resistance to prevent signal crosstalk and equipment damage.
Wide-range Signal Compatibility:

DI channels support 5-24V DC/AC signals (configurable), compatible with various sensor and switch signals.
DO channels adopt relay output with contact capacity up to 250V AC/30V DC and maximum load 5A, directly driving loads such as solenoid valves and contactors.

Industrial-grade Environmental Adaptability: Operating temperature ranges from -40°C to 70°C, with protection levels meeting dustproof and splash-proof requirements, suitable for harsh industrial scenarios like metallurgy, power, and pharmaceuticals.
Real-time Status Monitoring: Each channel is equipped with independent LED indicators (DI status light, DO action light), intuitively displaying input/output status for on-site debugging and fault troubleshooting.

II. Technical Parameters

Parameter Category	Specific Indicators
Input Signal (DI)	16 channels, 5-24V DC/AC (configurable), dry/wet contacts, input impedance ≥10kΩ, response time ≤10ms
Output Signal (DO)	16-channel relay output, contact capacity 250V AC/30V DC, 5A (resistive load), mechanical life ≥10⁷ times
Isolation Features	Optoelectronic isolation for DI channels (500V AC), electrical isolation for DO channels, mutual isolation between channels
Power Supply	24V DC (voltage range 19.2-28.8V DC), power consumption ≤8W
Communication Protocol	Supports Modbus RTU, communicates with Foxboro DCS systems or third-party controllers via FBM backplane
Operating Temperature	-40°C to 70°C, storage temperature -40°C to 85°C
Humidity	5%-95% non-condensing
Dimensions	Approximately 160mm×99mm×40mm (6.3×3.9×1.6 inches)
Weight	Approximately 0.6kg (1.3 lbs)
Installation Method	Insert into 200-series FBM backplane (e.g., dual-slot P0973CG or quad-slot P0973CN), supporting DIN rail installation

III. Working Principle

Signal Acquisition and Processing:

DI channels receive external switch signals (e.g., buttons, limit switches), converting them into digital quantities via optoelectronic isolators to eliminate external interference.
The internal processor filters (eliminates jitter) and caches DI signals, updating status registers in real time.

Output Control Logic:

Receives DO commands from the host computer (e.g., DCS), controls contact closure/opening via the relay drive circuit to drive external loads.
Relays are equipped with surge protection circuits to extend service life.

Communication and Status Feedback:

Communicates with the control system via Modbus RTU protocol, uploading DI status and receiving DO commands.
LED indicators display channel status in real time (e.g., light on when DI is high level, light on when DO contact is closed).

IV. Installation and Configuration Guide(I) Installation Steps

Safety and Environmental Preparation:

Power off and wear an anti-static wristband to avoid static damage to components.
Confirm that the installation environment's temperature and humidity meet requirements, keeping away from strong electromagnetic sources (e.g., frequency converters, transformers).

Physical Installation:

Insert into the corresponding slot of the FBM backplane, pressing until the slot is locked.
If using a DIN rail, fix the backplane with an adapter to ensure firm installation.

Wiring Connection:
Power Wiring: Connect to 24V DC power supply (attention to polarity), using shielded cables.
DI Wiring:

Dry contact: Directly connect both ends of the switch to DI terminals.
Wet contact: Connect to 5-24V signal source (e.g., proximity switch), with the common end connected to the COM terminal.

DO Wiring:

One end of the load is connected to the DO terminal, the other end to the power supply (AC/DC needs to match contact capacity), and the common end to the COM terminal.
Inductive loads require parallel freewheeling diodes (DC) or varistors (AC) to prevent back EMF from damaging relays.

Communication Wiring: Connect RS-485 cables to A/B terminals of the control system, shorting 120Ω terminal resistors at the end.
Appearance Inspection:

Confirm no loose terminals and correct wiring.
After powering on, check the PWR light (green constant on), and DI/DO channel lights should match external signals.

(II) Configuration Process

Tools and Connection:

Use Foxboro's dedicated configuration software (e.g., FBM Configuration Tool) to connect the module via RS-485 or Ethernet.

Parameter Configuration:

Communication Parameters: Set Modbus address (1-247), baud rate (up to 115.2kbps), and parity.
DI Parameters: Configure input type (5-24V DC/AC), filtering time (eliminates jitter, default 10ms).
DO Parameters: Set output mode (pulse/hold), relay action delay (avoids impact loads).

Function Verification:

Manually trigger DI signals (e.g., short DI terminals), observe whether LED lights match software status.
Send DO commands via software, test relay contact action and load response, and measure output voltage/current for normality.

(III) Debugging and Fault Troubleshooting

Fault Phenomenon	Possible Causes	Solutions
DI light off	Abnormal input signal, wiring error, channel damage	Check input voltage/wiring, replace DI channel or module.
No DO output	Damaged relay contacts, load short circuit, abnormal power supply	Measure contact resistance (normal
Communication failure	Reverse wiring polarity, address conflict, missing terminal resistance	Check RS-485 wiring, modify Modbus address, install 120Ω resistor.
Abnormal relay heating	Load current exceeds rated value, inductive load unprotected	Check load power, add protective components (diodes/varistors) for inductive loads.

V. Application Scenarios

Industrial Automation Control:

Monitoring and control of valve switching status in chemical production lines, collection of motor start/stop signals.
Real-time monitoring and interlock protection of furnace door switching and conveyor operation status in steel plants.

Power Systems:

Monitoring of circuit breaker and disconnector status in substations, alarm output of fault signals.
Start/stop control and status feedback of auxiliary equipment in generator sets (e.g., oil pumps, fans).

Building and Environmental Protection:

Automatic control of water pumps and valves in sewage treatment plants (e.g., starting/stopping pumps based on level switch signals).
Status monitoring and linkage control of air conditioning units and fire protection equipment in building automation systems.

Product Tags: FBM230 , P0926GU