Protection Relays Communication Modules RS485MS-2W Communication Module Description The RS485MS-2W is required to enable the Modbus communications function on Model 77x-type products. This module is required when the RM1000, RM2000 or other Modbus capable device is used with 77x-type products. Features JJ Optical isolation from line potentials JJ Powered by the 77x product JJ RS-485 compliant bus drive capability JJ Wiring Diagram Remote reset input connection JJ Power connection for the Model RM1000 TYPICAL RS485 NETWORK Accessories RS485-RS232 Converter with cable & plug Allows RS485 devices to be connected to a PC via the RS232 (serial) port. Provides convenient terminal blocks for making signal and DC power supply connections. Pre-wired. RS485-USB Converter with cable & plug/RS232:USB Allows RS485 devices to be connected to a PC via the USB port. Provides convenient terminal blocks for making signal and DC power supply connections. Pre-wired. Refer to the manual for basic and extended network diagrams. Specifications Functional Specicfi ations Surge Remote Reset (for optional Input Power IEC 61000-4-5, Level 1 use with 777 Series) Normally open pushbutton rated 24VDC, Inputs/Data Lines IEC 61000-4-5, Level 2 10mA (min.) Safety Marks General Characteristics UL UL508 (File E68520) Ambient Operating CE IEC 60947 Temperature -20 to 50C (-4 to 122F) Enclosure Polycarbonate Terminal (depluggable Dimensions H 52.83 mm (2.08) W 73.66 mm (2.9) terminal block) D 19.56 mm (.77) Torque 3 in.-lbs. (max.) Weight 0.26 lb. (4.16oz., 117.93 g) Wire AWG 12-20 AWG Mounting Method 9-pin D-Sub connector on the side of a Class of Protection IP20 777-Series Relative Humidity 10-95%, non-condensing per IEC 68-2-3 Standards Passed Electrostatic Discharge (ESD) IEC 61000-4-2, Level 3, 6kV contact, 8kV air Radio Frequency Immunity, Radiated 150 MHz, 10V/m Fast Transient Burst IEC 61000-4-4, Level 3, 4kV input power Hi-Potential Test Meets UL508 (2 x rated V + 1000V for 1 min) 2016 Littelfuse Protection Relays & Controls Rev: 1-A-062116 www.littelfuse.com/rs485ms2wX-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Interface Modules category: Click to view products by Littelfuse manufacturer: Other Similar products are found below : 8500-003 IFD8520 cPCI-3544 422CON ATX6022/14GP7 ATX6022/8 AX93221-24/48 FC6A-EXM2 OPT8AP-AE 60006-016 96RMKVM-19V1C-A 60016-011 60016-014 60006-008 60016-015 60011-075 HPCI-14S12U cBP-3208 cBP-3062A FAB205-6P5 ATX6022/6 60016-012 96RMKVM-17V1C-A PCE-DP10-00A1E MOS-1120Y-0201E 96RMLCD-17V1-A 96RMKVM-17V8C-A 60004- 005 60016-017 60006-019 60006-009 60016-035 60016-034 60016-031 60016-030 60016-026 60016-025 60016-024 60016-021 60016- 018 60016-007 60016-006 60016-005 60016-004 60007-002 60006-018 60006-010 AXX10GBTWLHW3 382-BBEH 555-BDCL