The PSM-ME-RS485/RS485-P is a compact repeater designed for universal use in RS-485 2-wire bus systems including PROFIBUS, MODBUS, and other proprietary systems. It provides potential separation and range extension through high-quality 3-way electrical isolation between all interfaces, significantly increasing performance and availability of bus networks. The device supports UART/NRZ data format with character lengths of 10 or 11 bits and offers transmission speeds up to 1.5 Mbps. Features include DIN rail mounting in a space-saving 22.5 mm width design, integrated connectable termination resistors, and COMBICON screw terminal connections. The repeater enables bus segmentation to multiply network coverage and extend the number of connected devices while maintaining transmission reliability with integrated surge protection and transient discharge to DIN rail. Item Details Brand Name: Phoenix Contact Manufacturer: Phoenix Contact GmbH & Co. Item Type Name: RS-485 Repeater Product Family / Series: PSI series Model Number: PSM-ME-RS485/RS485-P Part Number: 2744429 Product Category: Fieldbus Repeater Gtin: 4017918171797 Color: Green (RAL 6021) Product Specifications interface_type: RS-485 2-wire interface_standard: EIA/TIA-485, DIN 66259-4 data_format: UART/NRZ character_length: 10 or 11 bits transmission_speed_max: 1.5 Mbps transmission_speeds_supported: 1.2 kbit/s to 1500 kbit/s isolation_type: 3-way electrical isolation supply_voltage_nominal: 24 V AC/DC supply_voltage_range: 18-30 V DC current_consumption_nominal: 90 mA connection_type: Pluggable screw terminal (COMBICON) mounting_type: DIN rail (EN standard) operating_temperature_range: 0 to +55 °C extended_temperature_rating: -40 to +70 °C protection_rating: IP20 pollution_degree: 2 termination_resistors: Integrated, connectable Additional Details Certifications / Approvals: cUL, UL Listed, ATEX compliant, DNV GL shipbuilding approval Hazardous Location Rating: Class I, Div. 2, Groups A, B, C, D Emc Class: Class A product Housing Material: PA 6.6-FR Applications: PROFIBUS, MODBUS, RS-485 bus systems Measurements Weight: 188.8 g Width: 22.5 mm Height: 99 mm Depth: 114.5 mm Weight With Packaging: 199.1 g
