XV-boards

XV107 CR is an 8-channel digital input and 8-channel digital output expansion board for PAC I/O applications. Each channel is photocoupler-isolated. The inputs are source-type wet contacts, while the outputs are sink-type NPN drivers that switch loads from 3.5 to 50 VDC at up to 700 mA per channel.All eight input channels can be configured as 32-bit counters, which suits pulse and event counting. Output power-on values are programmable, so outputs can be set to a defined state at start-up. The outputs are protected against overload and short circuit, and the inputs tolerate up to 70 VDC.The board communicates through a single RS-232 port using Modbus/RTU at 115200 bps, 8 data bits, no parity and 1 stop bit. The XV107A offers the same specification with the input and output types reversed, so choose the XV107 CR when source-type inputs and sink-type outputs are required.ApplicationsPulse and event counting on wet-contact inputsSwitching DC loads from 3.5 to 50 VDC with sink-type outputsExpansion of digital I/O on PAC I/O systems

The XV107A CR is an 8-channel isolated digital I/O expansion board. Its eight inputs are sink-type wet contact channels, and its eight outputs are source-type PNP channels rated for a 10 ~ 40 VDC load. It suits engineers who need to add discrete field signals and switched outputs to a PAC I/O stack, with 3750 VDC intra-module isolation between channels and the rest of the board.Every input channel can operate as a 32-bit counter, with a maximum count of 0 ~ 4,294,967,285 and a frequency of 50 Hz. Output power-on values are programmable, so each output can be set to a defined state when the module starts. The outputs include overload and short-circuit protection, and the inputs tolerate up to 70 VDC overvoltage.The board communicates through a single RS-232 port using Modbus/RTU at 115200 bps, data format N, 8, 1. It is powered from the terminal block at 5 VDC, draws 0.45 W maximum, and is specified for operation from -25 ~ +75 °C.

XV110 CR adds 16 isolated digital inputs to a system and accepts both dry and wet contact signals. Dry contacts can be run over an effective distance of up to 500 m, which suits switch and relay sensing across larger plant areas.Each channel can be wired as sink or source type, and every channel can operate as a 32-bit counter. Photocoupler isolation on all channels, 3750 VDC intra-module isolation, 4 kV ESD protection and 70 VDC overvoltage protection on the inputs help the board withstand electrically noisy industrial environments.Suited to pulse and event counting with a 50 Hz frequency and 10 ms minimum pulse widthCommunicates through a single RS-232 port using Modbus/RTU at 115200 bps, N, 8, 1Draws 0.25 W maximum and is powered at 5 VDC from the terminal blockApplicationsDigital input expansion for PAC I/O systemsPulse and event countingSensing dry and wet contact switches in industrial environments

XV111 CR is a 16-channel digital output expansion board for PAC I/O systems. Each channel is photocoupler-isolated and switches sink-type (NPN) loads powered between 3.5 and 50 VDC, with up to 600 mA per channel.Outputs are protected against overvoltage (60 VDC) and overload, and each channel is short-circuit protected, which helps the board survive wiring faults in the field. Power-on output states can be programmed, so the outputs can be set to a defined state when the system starts.The board communicates over a single RS-232 port using Modbus/RTU at 115200 bps, N, 8, 1. It draws 0.2 W maximum from a 5 VDC terminal block supply, with 3750 VDC intra-module isolation and ±4 kV contact / ±8 kV air ESD protection. The XV111A offers the same specification with the output type reversed.ApplicationsDigital output expansion for ICP DAS PAC I/O systemsSwitching of sink-type DC loads from 3.5 to 50 VDC

The XV111A CR is a 16-channel digital output expansion board with source-type (PNP) outputs. Each channel is photocoupler isolated and rated for a load voltage of 10 ~ 40 VDC and a load current of 600 mA per channel, which suits engineers adding switched DC outputs to a PAC I/O system.Each output is protected against overvoltage at 47 VDC, as well as against overload and short circuits. Power-on output values are programmable, so the board can be set to a defined state when it powers up. The board also provides 4 kV contact ESD protection on each terminal and 3750 VDC intra-module isolation.Configuration and status are handled over a single RS-232 port running Modbus/RTU at 115200 bps, data format N, 8, 1. The board draws its 5 VDC supply from the terminal block, consumes 0.8 W maximum, and measures 59 mm x 82 mm x 13 mm. It is specified for operation from -25 ~ +75 °C.ApplicationsDigital output expansion for PAC I/O systemsSwitching 10 ~ 40 VDC PNP-type loads

The XV116 CR is a compact expansion board that combines five digital inputs with six Form A relay outputs. Each input can be wired as sink- or source-type, so it suits both NPN and PNP field devices without a different board variant.Every digital input can also operate as a 32-bit counter, which makes the board useful for counting pulses and events. The outputs can be configured to take defined states at power-on. Two relays are rated for signal switching and four for power switching, giving a mix of contact ratings on a single board.For noise-sensitive installations, the board provides 3750 VDC intra-module isolation and ±4 kV contact ESD protection on each terminal, with 70 VDC overvoltage protection on the digital inputs. It communicates via an RS-232 port using Modbus/RTU at 115200 bps, and is powered from a 5 VDC terminal block at up to 1.2 W.ApplicationsIndustrial environments where noise immunity of digital I/O is importantPulse and event counting from wet-contact inputsSwitching of signal and power loads through relay outputs

XV119 CR is a 9-channel signal relay output module from the XV-board PAC I/O range, suited to switching digital outputs in industrial control cabinets. Each of the nine channels is a Form A signal relay, and the module reports and accepts its settings over a serial COM port using Modbus/RTU.Engineers can define the output state applied at power-on and the state adopted in a safe condition, which helps predefine behaviour during start-up or fault handling. Electrostatic discharge protection of ±4 kV contact and ±8 kV air, together with 3750 VDC intra-module isolation, is designed to improve noise immunity in electrically demanding environments.Key electrical figures include a contact rating of 2 A @ 30 VDC, typical operate and release times of 3 ms and 4 ms, and a power draw of 1.2 W maximum from the 5 VDC terminal block supply. The module operates from -25 ~ +75 °C.ApplicationsIndustrial control cabinets requiring relay switching of digital outputsNoisy industrial environments where enhanced noise immunity is required

XV303 CR is a multifunction expansion board that combines four analogue output channels, four wet-contact digital inputs and four Form A power relay outputs on a single card. It suits engineers who need analogue control signals and relay switching alongside digital sensing in a compact PAC I/O arrangement.Each analogue output channel can be configured individually, and voltage or current output is selected by jumper. Open wire detection is available for current output, and power-on values can be set for both the analogue and relay outputs so that the system starts from a defined state. The digital inputs tolerate up to 70 VDC overvoltage.Protection features include 2000 VDC intra-module isolation and ±4 kV contact ESD protection on each terminal, which support reliable operation in electrically noisy industrial environments. The board is configured through a single RS-232 port running Modbus/RTU at 115200 bps and is powered from a 5 VDC terminal block.ApplicationsExpansion of PAC I/O systemsIndustrial control panels requiring analogue output and relay switching

The XV306 CR is a multifunction expansion board that combines four analogue input channels, four wet-contact digital input channels and four Form A power relay outputs on a single board. It suits engineers who need mixed analogue, digital and switching I/O alongside a PAC controller without adding separate modules.Each analogue input can be configured individually across a range of voltage and current spans, from ±1 V to ±10 V and ±20 mA through to 0 ~ 20 mA and 4 ~ 20 mA. Voltage or current outputs are selected by jumper. The digital inputs can also be used as 32-bit counters, and the relay outputs support configurable power-on values.For noise-sensitive installations, the board provides 2000 VDC intra-module isolation and ±4 kV contact ESD protection, with overvoltage protection of 120 VDC on the analogue inputs and 70 VDC on the digital inputs. An RS-232 port running Modbus/RTU at 115200 bps, with N, 8, 1 data format, is included for host communication.ApplicationsExpanding PAC I/O with mixed analogue, digital and relay channelsCounting pulses and monitoring wet-contact signals with 32-bit countersSwitching loads through 6 A Form A power relaysIndustrial environments where noise immunity is important

The XV307 CR is a multifunction expansion board for PAC I/O systems. It combines two analogue outputs, four wet-contact digital inputs and four Form A power relay outputs on a single board, letting engineers extend a controller's I/O without adding a separate module for each function.Each analogue output channel can be configured individually. Voltage or current operation is selected by jumper, with 12-bit resolution across 0 V to +5 V, ±5 V, 0 V to +10 V, ±10 V, 0 mA to +20 mA and +4 mA to +20 mA ranges. Open wire detection is available for current output, and power-on values can be set for both the analogue and digital outputs.The digital inputs are sink/source compatible and include 70 VDC overvoltage protection. The relay outputs are rated 6 A at 35 VDC or 240 VAC. Communication is via one RS-232 port running Modbus RTU at 115200 bps. The board provides 2000 VDC intra-module isolation and ±4 kV contact ESD protection, and operates from -25 to +75 °C.ApplicationsAnalogue control signal output in industrial environmentsWet-contact digital input sensingSwitching of loads up to 6 A through power relay outputsExpansion of PAC I/O systems

XV308 CR is an expansion board that adds eight isolated analogue inputs and eight universal digital I/O channels to a system. The analogue inputs are single-ended and cover ±1 V, ±2.5 V, ±5 V, ±10 V, ±20 mA, 0 ~ 20 mA and 4 ~ 20 mA, selected by jumper. Each channel can be configured individually.The digital channels are assigned as input or output by wiring. Inputs accept dry or wet contacts and can be used as 32-bit counters. Outputs are sink-type with overload and short-circuit protection, and each channel can be given a programmable power-on value. Open wire detection is provided for 4 ~ 20 mA inputs.Configuration and data exchange run over a single RS-232 port at 115200 bps using Modbus/RTU. The board operates from a 5 VDC terminal block supply, draws 0.8 W maximum, and is rated for -25 ~ +75 °C operation.ApplicationsExpansion I/O for PAC-based systemsAnalogue sensor signal acquisition, including 4 ~ 20 mA loopsDigital contact sensing and event or pulse countingSwitching of sink-type loads from 3.5 to 50 VDC at up to 700 mA

XV310 CR adds mixed analogue and digital I/O to a PAC system from a single expansion board. Each of the four analogue inputs can be set to its own range, from ±1 V up to ±10 V, ±20 mA, 0 ~ 20 mA or 4 ~ 20 mA, with 16-bit resolution. The two analogue outputs provide 12-bit resolution in ±5 V, ±10 V, 0 ~ 20 mA or 4 ~ 20 mA. Voltage or current operation is selected by jumper.The four digital inputs are dry-contact type and can also be used as 32-bit counters. The four digital outputs are PNP source type, rated for +10 to +40 VDC at 650 mA per channel, with overload and short-circuit protection. Power-on output values are programmable, so outputs can be set to a defined state at start-up.Protection features include 120 VDC overvoltage protection on the analogue inputs and 60 VDC on the digital inputs, with 2000 VDC intra-module isolation. The board communicates through one RS-232 port at 115200 bps using Modbus/RTU, and is rated for operation from -25 ~ +75 °C.ApplicationsMixed analogue and digital I/O expansion for PAC systemsSensor and actuator interfacing using dry-contact inputs and PNP outputsPulse or event counting on digital input channels

The XV315 CR is a multifunction XV-board expansion module combining three RTD temperature inputs, three analogue outputs and four digital inputs in one unit. Each RTD channel can be configured individually, so different sensor types can be mixed on the same module.Designed with long sensor cable runs in mind, the module compensates for lead resistance on 3-wire RTD connections, so readings stay accurate regardless of wire length. Open wire detection on the RTD inputs helps identify broken sensor connections quickly.The analogue outputs can be set to 0 ~ +10 VDC, 0 ~ +20 mA or +4 ~ +20 mA, and the digital inputs accept either sink or source wiring and can operate as 32-bit counters. Photocoupler isolation, 2000 VDC intra-module isolation and 4 kV ESD protection support reliable operation in electrically noisy industrial environments. Communication is via RS-232 using Modbus/RTU.ApplicationsBuilding AutomationMachine AutomationRemote DiagnosisFactory AutomationRemote MaintenanceTesting Equipment

The XV386 CR is a compact expansion board that combines four analogue input channels, four wet-contact digital inputs and four Form A power relay outputs on one card. It suits engineers who need mixed analogue, digital and switching I/O on a single XV-board PAC I/O module without adding separate devices.Each analogue channel can be configured individually. Channel 0 supports ±15 V and ±30 V, while channels 1 to 3 offer ±1 V, ±2.5 V, ±5 V, ±10 V, ±20 mA, 0 to 20 mA and 4 to 20 mA, selected by jumper. The digital inputs are Sink/Source and can also operate as 32-bit counters, and the relays are rated 6 A at 35 VDC or 240 VAC.For noisy industrial environments, the board provides 2000 VDC intra-module isolation and ±4 kV contact ESD protection on each terminal. It communicates over one RS-232 port at 115200 bps using Modbus/RTU, is powered at 5 VDC from the terminal block, and operates between -25 and +75 ℃.ApplicationsIndustrial automation I/O expansion for XV-board PAC systemsMixed analogue sensor and digital signal acquisitionPulse and event counting with 32-bit countersSwitching loads with 6 A power relay outputs

XV484 CR is a 32-bit, high-speed counter, frequency and encoder input expansion board from the XV-board range. It accepts up to eight up-counter or frequency channels, or four encoder channels, so one board can cover a mixed set of pulse-counting and speed-measurement tasks.Each channel can be configured independently. Some channels can run as up counters while others measure frequency or act as up/down or encoder inputs in the same board. A programmable digital filter rejects noise by ignoring pulses whose high or low width is shorter than the filter's minimum width. Counter values can be preserved through a virtual battery backup, and preset values can be loaded for each counter input.Up/down (CW/CCW), direction/pulse and A/B phase quadrant counting for encoder feedbackFrequency inputs rated up to 1 MHz, with accuracy specified per frequency bandIsolated from the module with 2000 VDC intra-module isolationModbus/RTU over RS-232 at 115200 bps, N, 8, 1ApplicationsPulse and event countingFrequency and speed measurementRotary encoder position feedbackIndustrial PAC expansion with counter inputs

The XV511i CR is a 4-channel RS-485 expansion board that adds isolated serial ports to the UA-2241M, WP-2241M-CE7 and LP-2241M controllers. It is useful where a controller needs more RS-485 connections than its onboard interfaces provide.Each port is electrically isolated and protected against 4 kV ESD, which helps keep the serial bus robust in electrically noisy installations. Ports run at up to 921600 bps, so the board suits fast serial links as well as slower field devices.The board draws 0.74 W and measures 66 mm x 82 mm x 14 mm (W x L x H). It is rated for an operating range of -25 ~ +75 °C, with storage from -30 ~ +80 °C and 10 ~ 90% RH non-condensing humidity. CE, UKCA, RoHS and WEEE certifications are listed.ApplicationsAdding RS-485 serial channels to UA-2241M, WP-2241M-CE7 and LP-2241M controllersConnecting multiple RS-485 field devices to a single controller