Product Description
Model/Part Number: 1756-L81ES - ControlLogix 5580 Controller
Technical Specifications
| Attribute | 1756-L81ES |
|---|---|
| User Memory | 3 MB |
| Safety Memory | 1.5 MB |
| Configured I/O | Digital I/O, max 128,000 |
| Analog I/O, max 4000 | |
| Optional Memory Storage | 2 GB Secure Digital Card (1784-SD2) |
| Energy Storage Module | Embedded, nonremovable |
| Number of Power Cycles | 80,000 |
| Current Draw | @ 1.2V DC: 5.0 mA |
| @ 5.1V DC: 1.20 A | |
| Power Dissipation | 6.2 W |
| Thermal Dissipation | 21.2 BTU/hr |
| Isolation Voltage | 50V (continuous) |
| Weight | 0.394 kg (.868 lb) |
| Slot Width | 1 |
| Module Location | Chassis-based, any slot |
Power Supply Requirements
-
Standard Power Supply:
1756-PA50, 1756-PA72, 1756-PA72K, 1756-PA75, 1756-PA75K, 1756-PB50, 1756-PB72, 1756-PB72K, 1756-PB75, 1756-PB75K, 1756-PH75, 1756-PC75 -
Redundant Power Supply:
1756-PA75R, 1756-PA75RK, 1756-PB75R, 1756-PB75RK, 1756-PSCA2, 1756-PSCA2K
Environmental Specifications
| Attribute | Value |
|---|---|
| Operating Temperature (SIL 2/PLd) | 0 °C to +60 °C (+32 °F to +140 °F) |
| Series C Chassis: 0 °C to +50 °C (+32 °F to +122 °F) | |
| Operating Temperature (SIL 3/PLe) | 0 °C to +60 °C (+32 °F to +140 °F) |
| Series C Chassis: 0 °C to +50 °C (+32 °F to +122 °F) | |
| Non-Operating Temperature | -40 °C to +85 °C (-40 °F to +185 °F) |
| Relative Humidity | 5% to 95% noncondensing |
| Vibration | 2 g @ 10…500 Hz (IEC 60068-2-6) |
| Operating Shock | 30 g (IEC 60068-2-27) |
| Non-Operating Shock | 30 g (IEC 60068-2-27) |
EMC (Electromagnetic Compatibility)
- ESD immunity: IEC 61000-4-2 6 kV contact, 8 kV air discharges
- Radiated RF immunity: IEC 61000-4-3 10V/m, 80% AM from 80–2000 MHz
- Surge Transient Immunity: IEC 61000-4-5 ±2 kV line-earth (CM) on Ethernet ports
- Conducted RF Immunity: IEC 61000-4-6 10V rms, 1 kHz sine wave 80% AM from 150 kHz…80 MHz
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