NPN/PNP DI & PNP DO RS485 Remote IO Expansion Board

25IOA08 25IOB16 25IOC32 series products are eletechsup's first PNP Output RS485 IO module. With 8/16/32 channels NPN/PNP Photoelectric isolation input and the same channel 300MADMOS PNP Output.(NPN Output Please select 23IOA08 23IOB16 23IOC24 23IOD32 23IOE48)Features:1 Working voltage: DC 7-25V (9V 12V 24V)2 Working current: 8-50MA3 8/16/32 photoelectrically isolated input ports, NPN/PNP(optional)4 8/16/32DMOS PNP outputs(high level output, drive current 300MA)5 The default command has multiple output modes: six output modes: Open/Close/Toggle (Self-locking)/Latch(Inter-locking)/Momentary (Non-locking) /Delay .6 The input port can remotely control the output port of another board through the RS485 bus7 MODBUS command 1 supports 03 06 16 function code, MODBUS command 2 supports 01/02/03/05/06/15/16 function code8 The maximum delay under MODBUS command 1 is 255 seconds.9 In MODBUS command mode, up to 64 devices can be supported in parallel.10 The default baud rate is 9600BPS, Can be set :1200/2400/4800/19200/38400/57600/115200BPS11 Sizes (Only Board): 61x72x18MM (8CH), 106x72x18MM (16CH), 196x72x18MM (32CH)12 Dimensions (Wth DIN Box): 64x80x30MM (8CH), 109x80x30MM (16CH), 199x80x30MM (32CH)14 Weight (Only Board): 46g (8CH), 80g (16CH), 152g (32CH),15 Weight (Wth DIN Box): 85g (8CH), 145g (16CH), 247g (32CH)16 Maximum load: The maximum load current of each channel is 300MAFor more information, please contact meApplicationPLC IO expansion boardRS485 Remote ControlSmart Home,Home Automation ,Wiser Home;PTZ IP CameraSecurity MonitoringIdentification system;LED Lamp DriversAutomatic curtain controlPlease request an electronic manual from the merchant after purchase. Thank you

• FLEXIBLE CHANNEL OPTIONS: Available in 8, 16, or 32-channel configurations to suit a wide range of industrial automation and PLC expansion needs.
• NPN/PNP PHOTOELECTRIC INPUT: Supports both NPN and PNP digital input signals, offering compatibility with a broad variety of sensors and field devices.
• PNP HIGH-LEVEL OUTPUT: Features 300mA PNP (high-level) digital outputs, capable of directly driving relays, solenoids, and other industrial loads.
• RS485 MODBUS RTU COMMUNICATION: Communicates via RS485 using Modbus RTU commands for reliable, long-distance remote I/O control and monitoring.
• EASY RESET & CONFIGURATION: Includes an M0 port for command selection and a dedicated RESET port — short-circuit for 5 seconds to restore factory settings.