CIO-MB

Protection Relays Communication Modules CIO-MB/CIO-120-MB Communication link to PLC/SCADA/ monitoring systems Description The CIO-MB/CIO-120-MB Modules are convenient and cost-effective Modbus-RTU interfaces capable of providing discrete control and monitoring of an overload relay over a Modbus network. Features & Benefits FEATURES BENEFITS Compact size Easily adapts to existing as well as 3.46 H x 1.0 W x 5.0 D new applications Flexible addressing standard allows function as stand-alone interface Provides flexibility for control and monitoring Wiring Diagram or in conjunction with 777 series overload relay TYPICAL WIRING FOR CIO-MB Additional remote reset input allows user to reset Remote reset option 777 series relays without opening the panel DIN rail or surface Allows installation flexibility mountable Unpluggable terminal Allows user to wire terminal blocks before installing block connections the module and reduces field wiring Specifications Functional Specifications Remote Reset (for use with optional 777 Series) Normally open pushbutton rated 24VDC, 10mA (min.) Power Requirements: Voltage 24VDC +10% Current 95mA (max.) 70mA (typical) FIGURE 1: Typical Wiring Diagram (CIO-MB) Power 2.28 W (max.) 1.7 W (typical) TYPICAL WIRING FOR CIO-120-MB Ethernet Controller IEEE 802.3 Capability 10Base-T Input Characteristics General Purpose (4) Voltage Range: CIO-MB 12-24VDC CIO-120-MB 90-130VAC Current 2mA (typical) Output Characteristics SPDT (1), SPST (1) Pilot Duty 480VA & 240VAC, B300 General Purpose 5A 240VAC General Characteristics Ambient Operating Temperature -20 to 70C (-4 to 158F) FIGURE 2: Typical Wiring Diagram (CIO-120-MB) Terminal (depluggable terminal block) Torque 3 in.-lbs. (max.) Wire AWG 12-20 AWG Ordering Information Class of Protection IP20, NEMA 1 (finger safe) Relative Humidity 10-95%, non-condensing per IEC 68-2-3 MODEL LINE VOTAGE CIO-MB 12 to 24VDC CIO-120-MB 90 to 130VAC 2016 Littelfuse Protection Relays & Controls Rev: 1-A-062716 www.littelfuse.com/ciomb-cio120mbProtection Relays Communication Modules CIO-MB/CIO-120-MB 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) Surge Input Power IEC 61000-4-5, Level 1 Inputs/Data Lines IEC 61000-4-5, Level 2 Safety Marks UL UL508 (File E68520) CSA C22.2 (File 46510) CE IEC 60947-6-2 Enclosure Polycarbonate Dimensions H 86.36 mm (3.40) W 25.40 mm (1.00) D 138.68 mm (5.46) (w/depluggable connectors) Weight 0.25 lb. (4 oz., 113.4 g) Mounting Methods DIN Rail or surface mount (w/two 8 screws) 2016 Littelfuse Protection Relays & Controls Rev: 1-A-062716 www.littelfuse.com/ciomb-cio120mb