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خانه/ اتوماسیون صنعتی/ کنترلر/ ماژول پی ال سی/ Allen-Bradley/ 1756-OF4 | Allen Bradley Analog Output Module

1756-OF4 | Allen Bradley Analog Output Module
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ویژگی ها / Specifications
| Model | 1756-OF4 |
| Outputs | 4 voltage or current |
| RTB keying | User-defined mechanical |
| Slot width | 1 |
| Data format | Integer mode (left justified, 2s complement) IEEE 32-bit floating point |
| Offset drift | 50°V/ °C; 100 nA/°C |
| Output range | ±10V; 4...20 mA |
| Module keying | Electronic, software configurable |
| Settling time | < 2 ms to 95% of final value with resistive loads |
| Wire category | 2¹ |
| Enclosure type | None (open-style) |
| Isolation voltage | 250V (continuous), reinforced insulation type, output channels-to-backplane; No isolation between individual output channels; Routine tested at 1350V AC for 2 s |
| Current draw @ 24V | 210 mA |
| Current draw @ 5.1V | 150 mA |
| Thermal dissipation | 10.91 BTU/hr |
| Calibration interval | 12 months typical |
| IEC temperature code | T4 |
| Total backplane power | 5.8 W |
| Open circuit detection | Current output only (Output must be set to >0.1 mA) |
| Overvoltage protection | 24V DC |
| Power dissipation, max | 3.25 W, 4 channel current |
| Module conversion method | R-Ladder DAC, monotonicity with no missing codes |
| Short circuit protection | Electronically current limited to 21 mA or less |
| Module input scan time, min | 12 ms floating point; 8 ms integer |
| North American temperature code | T4A |
| Calibrated accuracy 25 ?C (77 ?F) | Better than 0.05% of range from 4...21 mA, -10.4 10.4V |
Description / توضیحات
Technical Specifications
Resolution: Voltage: 15 bits across 10.5V, 320 ?V/bit; Current: 15 bits across 21mA, 650 nA/bit
Drive capability: Voltage: >2000 O; Current: 0·50 O
Gain drift with temperature: Voltage: 25 ppm/°C, 520 °V/°C; Current: 50 ppm/°C, 1050 °A/°C
Module error: Voltage: 0.15% of range; Current: 0.3% of range
NOTE:
Use this conductor category information for planning conductor routing as described in the system-level installation manual.














