I-7590 RS-232/422/485 to M-Bus Convertor - QuickStart (Mar/2017)ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200.Lomita, CA 907171I-7590RS-232/422/485 to M-Bus ConvertorQuick Start Guide1. Hardware Structure2. Specifications & Features M-Bus Port: 1 Serial Port: 1 (RS-232 / RS-422 / RS-485) Serial Baud and M-Bus Baud can be configured separately. Provides 10 kinds of Baud for default, 6 kinds of Baud for user-defined. Supports up to 100 M-Bus slaves. Provides transparent communication. Watchdog inside. Allows updating firmware by the RS-232 port. Overcurrent and short-circuit protection on the M-Bus port. 3750 Vrms photocouple isolation on the M-Bus port. ±4 kV ESD to contact. Reverse polarity protection on power. Provide 3 LED indicators, PWR LED, MTX LED and MRX LED. Power requirement +10 VDC ~ +30 VDC. Power consumption 1.8 W @ 24 VDC (with 1 slave device).10 W @ 24 VDC (with 100 slave devices). Operating Temperature: -25℃ ~ +75℃. Storage Temperature: -30℃ ~ +80℃. Humidity: 10 to 90% RH, Non-condensing. Dimensions: 72mm x 122mm x 33mm (W x L x H).