تولیدکننده: Allen-Bradley
شماره محصول: 1756-OX8I
کشور سازنده:ایالات متحده آمریکا
نوع محصول: Digital I/O Module
بارکد: 8537101190
پرداخت: حواله بانکی (T/T)، وسترن یونیون
وزن: 260g
ابعاد: 3.5cm x 14cm x 14.5cm
بندر حمل و نقل: شیامن
گارانتی: ۱۲ ماه
The Allen-Bradley 1756-OX8I module provides eight isolated digital output contacts designed for integration within ControlLogix systems. This device supports both AC and DC voltage ranges, enabling control across diverse industrial applications. The 1756-OX8I features individually isolated output groups, ensuring safe and reliable operation in complex electrical environments. Engineered for seamless compatibility with ControlLogix backplanes, the module facilitates straightforward installation and maintenance in automation architectures. This module is ideal for applications requiring robust contact outputs, such as relay-based actuation, status indication, and small motor control. Its isolated design minimizes ground loops and enhances noise immunity, making it suitable for demanding industrial settings.
| Attribute | Value |
|---|---|
| Outputs | 8 N.O. (Normally Open), individually isolated (two points per group) |
| Pilot Duty | C300/R150 |
| Operating Voltage Range | 5...125V DC10...240V AC |
| Contact Current Rating | 1 A @ 5...30V DC0.5 A @ 48V DC0.22 A @ 125V DC1.5 A @ 250V AC 50/60 Hz0.75 A @ 480V AC 50/60 Hz |
| Output Delay Time | Off to On: 13 ms maxOn to Off: 13 ms max |
| Current Draw | @ 5.1V: 800 mA@ 24V: 100 mA |
| Total Backplane Power | 2.9 W |
| Power Dissipation, max | 3.1 W @ 60 degC (140 degF) |
| Thermal Dissipation | 10.57 BTU/hr |
| Off-state Leakage Current | 0 mA |
| Minimum Load Current | 10 mA per point |
| Initial Contact Resistance, max | 100 mOhm @ 6V 1A |
| Switching Frequency, max | 1 operation/3 s (0.3 Hz at rated load) |
| Bounce Time, mean | 1.2 ms |
| Expected Contact Life | 300,000 cycles resistive100,000 cycles inductive |
| Scheduled Outputs | Synchronization within 167.6 ms, reference to the Coordinated System Time |
| States in Fault mode per point | Hold last state, On or Off (Off is default) |
| States in Program mode per point | Hold last state, On or Off (Off is default) |
| Isolation Voltage | 250V (continuous), basic insulation type, outputs-to-backplane, and output-to-output |
| Module Keying | Electronic, software configurable |
| Fusing | Not protected. A fused IF6H is recommended to help protect outputs. |
| Removable Terminal Block | 1756-TBCH1756-TBS6H |
| RTB Keying | User-defined mechanical |
| Slot width | 1 |
| Wire category | p(1) |
| Enclosure type | None (open-style) |
| North American temperature code | T4A |
(1) Use this conductor category information for planning conductor routing as described in the system-level installation manual. See the Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1.
| Attribute | Value |
|---|---|
| Temperature, operating | 0...60 degC (32...140 degF)IEC 60068-2-1 (Test Ab. Operating Cold)IEC 60068-2-2 (Test Bb. Operating Dry Heat)IEC 60068-2-14 (Test Nb. Operating Thermal Shock) |
| Temperature, nonoperating | -40...85 degC (-40...+185 degF)IEC 60068-2-1 (Test Ab. Unpackaged Nonoperating Cold)IEC 60068-2-2 (Test Bb. Unpackaged Nonoperating Dry Heat)IEC 60068-2-14 (Test Na. Unpackaged Nonoperating Thermal Shock) |
| Relative Humidity | 5...95% noncondensingIEC 60068-2-30 (Test Db. Unpackaged Damp Heat) |
| Vibration | 2 g @ 30...500 HzIEC 60068-2-6 (Test Fc. Operating) |
| Shock, operating | 30 gIEC 60068-2-27 (Test Ea. Unpackaged Shock) |
| Shock, nonoperating | 50 gIEC 60068-2-27 (Test Ea. Unpackaged Shock) |
| Emissions | IEC 61000-6-4 |
| ESD Immunity | 6 kV contact discharges8 kV air dischargesIEC 61000-4-2 |
| Radiated RF Immunity | 10V/m with 1kHz sine wave 80% AM from 80...2000 MHz10V/m with 200 Hz 50% Pulse 100% AM @ 800 MHz10V/m with 200 Hz 50% Pulse 100% AM @ 880 MHz30V/m with 1kHz sine wave 80% AM from 2000...2700 MHzIEC 61000-4-3 |
| EFT/Burst Immunity | +-4 kV at 5 kHz on signal portsIEC 61000-4-4 |
| Surge Transient Immunity | +-1 kV line-line (DM) and +-2 kV line-earth (CM) on signal portsIEC 61000-4-5 |
| Conducted RF Immunity | 10V rms with 1 kHz sine wave 80% AM from 150 kHz...80 MHzIEC 61000-4-6 |
| Certification(1) | Details |
|---|---|
| cULus | UL Listed Industrial Control Equipment, certified for US and Canada. See UL File E48599.UL Listed for Class I, Division 2 Group A,B,C,D Hazardous Locations, certified for US and Canada. See UL File E49480. |
| CE | European Union 2014/30/EU EMC Directive, compliant with:• EN 61326-1: Electrical Equipment for Measurement, Control and Laboratory Use. Industrial Requirements• EN 61000-6-2: Industrial Immunity• EN 61000-6-4: Industrial Emissions• EN 61508-2: Programmable Controllers (Clause 8.2 Zone A & B)• EN 61508-2: Programmable Controllers (Clause II) |
| RCM | European 2014/35/EU LVD, compliant with EN 61010-2: Programmable ControllersAustralian Radiocommunications Law, compliant with EN 61000-6-4: Industrial Emissions |
| FM | FM Approved Equipment for use in Class I Division 2 Group A,B,C,D Hazardous Locations |
| KC | Korean Registration of Broadcasting and Communications Equipment, compliant with Article 58-2 of Radio Waves Act, Clause 3 |
| UKCA | In conformity with the following UK Statutory Instruments and their amendments:• 2016 No. 1091: Electromagnetic Compatibility Regulations• 2016 No. 1101: Electrical Equipment (Safety) Regulations• 2016 No. 107: Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres Regulations• 2012 No. 3032: Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment |
| Morocco | Arrêté ministériel n° 04-15 du 1er muharram 1437 (15 octobre 2015)Dispositions d'application relatives à la protection des équipements contre les influences de tensionArrêté ministériel n° 04-15 du 29 ramadan 1436 (16 juillet 2015)Compatibilité électromagnétique des équipements |
(1) When product is marketed. See the Product Certification link at <a href="#">ra.rockwellautomation.com</a> for Declarations of Conformity, Certificates and other certification details.
| Connector / Terminal | Function / Circuit Assignment |
|---|---|
| Supply Connections | • L1-0 to L1-7: Isolated AC/DC supply commons (Cut to Length)• DC-2 (H): Isolated DC supply common (Cut to Length) |
| Output Connections | • OUT-0 N.O. to OUT-7 N.O.: Individually isolated Form A (Normally Open) relay contacts |
| Mechanical | • Jumper Bar: For daisy chaining L1 supply to adjacent RTBs |
Note: Connections are made via the removable 36-pin terminal block (1756-TBCH or 1756-TBS6H).
Chassis Alignment: Align the plastic card-guides of the module with the top and bottom channels of the target slot in the 1756 ControlLogix chassis bank.
Seating Mechanism: Slide the assembly firmly inward until the structural locking tabs click securely into place, bonding the dual-connector core to the active backplane interface.
Field Wire Termination: Strip your field cables to length, land the isolated AC/DC power lines onto the specific 36-pin RTB terminal blocks, and torque down the compression terminal screws to standard limits.
Surge Suppression: Install external surge suppression devices (such as varistors or snubbers) directly across inductive field loads to shield the internal mechanical relay contacts from high-voltage inductive kickback spikes.
RTB Mating: Push the pre-wired 1756-TBCH or 1756-TBSH block directly over the interface pins, snap the locking latch down, and thread the central retaining fasteners tightly to secure the field interface.
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