Complete Intrinsically Safe Barriers Catalog
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Barriers Automation Software PLCs OI Touchscreens EB3C Intrinsically Safe Explosion-Proof: EB3C Discrete Input Barriers Key features: Explosion Protection Discrete Input Barriers: [Exia] II C • IEC60079 compliant • Dry-contact switches can be connected to the EB3C • 8- and 16-circuit types are available in common wiring types, ideal for connection to PLCs (DC voltage only) • Universal AC power voltage (100 to 240V AC) or 24V DC power (UL rating: 100 ~ 120V AC) • No grounding required • IDEC’s original spring-up terminals minimizes wiring time • Installation: 35-mm-wide DIN rail mounting or direct panel mounting • Global usage USA: UL/FM Canada: CSA Europe: CE marking, ATEX China: CQST Russia: GOST-R Japan: TIIS Korea: KOSHA • Ship class: NK (Japan), KR (Korea) FM LISTED A P P ROV E D Power Supplies Dry Contact Switches Dry-contact switches can be connected to the EB3C. LB Series HW Series Communication Sensors CW Series Common Wiring for PLC Inputs 8- and 16-circuit types are available in common wiring types, ideal for connection to PLCs (DC voltage only). Spring-up Fingersafe Terminals Reduce Wiring Time Connector Type Barriers MIL connector on the non-hazardous side • Easy connection to PLCs • Wiring is cut by 90% (compared with IDEC’s 16-circuit EB3C) • Various 20-pin MIL connectors can be connected 224 www.IDEC.com Finger-safe

Barriers EB3C OI Touchscreens Part Numbers Discrete Input Barriers Number of Channels Power Voltage Connection to Non-intrinsically Safe Circuit Input Wiring Method Output Part Number 1 EB3C-R01A 2 EB3C-R02A 3 EB3C-R03A 5 Separate/Common Wiring Compatible 6 EB3C-R05A Relay EB3C-R06A EB3C-R08A EB3C-R10A 8 Common Wiring Only EB3C-R08CA 1 EB3C-T01A 2 100 to 240V AC (UL rating: 100 ~ 120V AC) EB3C-T02A 3 EB3C-T03A Separate/Common Wiring Compatible Transistor (Sink/Source) EB3C-T05A 6 EB3C-T06A 8 EB3C-T08A 10 Automation Software 5 EB3C-T10A 8 Sink 16 Common Wiring Only 8 Transistor Source 16 1...

Barriers Specifications Explosion-Protection and Electrical Specifications General Specifications Explosion Protection See Certification Numbers table below Degree of Protection IP20 (IEC60529) Installation Location OI Touchscreens EB3C Safe indoor place (non-hazardous area) AC DC Rated Voltage 100 to 240V AC (UL rating: 100 ~ 120V AC) 24V DC Allowable Voltage Range 85 to 264V AC (UL rating: 85 ~ 125V AC) 21.6 to 26.4V DC 250V AC 50/60Hz, 250V DC 125V AC 50/60Hz, 125V DC (UL rating) Rated Frequency 50/60 Hz (allowable range: 47 to 63 Hz) — Inrush Current 10A (100V AC) 20A (200V AC) 10A...

Barriers EB3C Internal Circuit Block Diagrams AC Power, Relay Output Type DC Power, Transistor Output Type Connector Wiring, Sink Output Type Hazardous Area •••••••• P1 N1 Green P2 N2 Yellow P1 N1 P3 N3 Yellow Yellow Yellow Green P3 N3 Yellow P1 • • • • P16 N1 Yellow + A1 C1 A2 C2 A3 C3 N2 Non-hazardous Area Yellow PLCs N Yellow Green ~ ~ ~ ~ L P2 N2 OI Touchscreens Circuit Diagrams ~ ~ ~ – A1 C1 A2 C2 A3 C3 + – A1 • • • • A16 C1 C2 Automation Software Wiring Examples External Wiring Examples Transistor Sink Output Type (Ex.: EB3C-T08CKD) Transistor Source Output Type (Ex.: EB3C-T08CSD) A5...

Barriers General Information What is Explosion Protection? Explosion Mechanism For an explosion to occur, both hazardous atmosphere (mixture of explosive gas/vapor and air) and ignition source from electrical equipment must exist. The first step for explosion prevention is to prevent the three factors (explosive gas/vapor, air, and ignition source) from existing at the same time. Explosive Gas/Vapor PLCs OI Touchscreens General Information + Air (oxygen) + Ignition Source Explosion Automation Software Ignition source: Electrical equipment which originates electrical sparks or has a high...

Barriers General Information Explosion Protection Types Hazardous Area Non-hazardous Area OI Touchscreens Intrinsically Safe Structure • Structure in which voltage and current are limited so that no sparks, arc, and thermal effect produced by electric equipment (switch, pilot light, etc) in hazardous areas are capable of causing ignition of explosive gas/vapor. Barrier PLCs Switch, pilot light, sensor, thermocouple buzzer, etc. Power Supply Type of connectable equipment depends on the barrier type. Automation Software Wiring distance is limited by wiring capacitance and inductance....

Barriers General Information NI Structure resistance resistance When the zener is broken, the When the zener is broken, the voltage cannot be limited: high voltage cannot be limited: high voltage is applied to the connecting voltage is applied to the connecting device side, which could lead to device side, which could lead to explosion. explosion. Zener Zener (for Voltage (for Voltage Limitation) Limitation) PLCs OI Touchscreens Structure IS Structure resistance resistance Automation Software Power Supplies The fuse is for current limitation The fuse is for current limitation fuse fuse...

Barriers General Information EB3C (10-circuit) Weight: 380g Dimensions: 171.5 L × 75 W × 77.5 H (mm) • Plastic housing EB3L (10-circuit) Weight: 360g Dimensions: 171.5 L × 75 W × 77.5 H (mm) OI Touchscreens EB3C/EB3L Features Small and lightweight • Small system design No grounding required: less labor, less cost No explosion protection grounding. PLCs Isolation transformer is used. All isolations – not only between primary and secondary, but also cores and bobbins – are reinforced. No isolator = No grounding Power supply part: Electric shock is prevented with reinforced isolation. Conforms...

General Information Barriers PLCs OI Touchscreens Standards Less labor 1. CE Conforms to EMC directive and LVD. EMC directive: Electromagnetism generated by the barrier does not affect other communication equipment. Also, electromagnetism generated by other communication equipment does not affect the barrier. LVD (Low Voltage Directive): For rated voltages 50 to 1000V AC, 75 to 1500V DC. 1. Finger-safe spring-up terminal The finger-safe, captive spring-up terminals prevent electric shock (IP20), and make installation easy. No screw loss. 2. ATEX Adopted by EU, this directive covers...