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SKU:1746-NO4I
Allen-Bradley 1746-NO4I SLC 500 Analog Output Module 4 Channel
Manufacturer: Allen-Bradley
Product No.: 1746-NO4I
Product Type: Analog Output Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months
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Penerangan
Allen-Bradley 1746-NO4I SLC 500 Analog Output Module
Allen-Bradley 1746-NO4I is a 4-channel analog current output module for SLC 500 systems. Provides 0 to +20 mA output range with 14-bit resolution. Features 512 microsecond update time and 2.5 ms step response. Weight: 0.45 kg (1.00 lbs).
Technical Specifications
| Parameter | Specification |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Model | 1746-NO4I |
| Series | SLC 500 |
| Module Type | Analog Output Module |
| Number of Outputs | 4 |
| Output Current Range | 0 to +20 mA |
| Full Scale Output | 21 mA |
| Overrange Capability | 5% (0 to +21 mA - 1 LSB) |
| Current Output Coding | 0 to +32764 |
| Resolution | 14 bits |
| Update Time | 512 microseconds |
| Step Response | 2.5 milliseconds |
| Backplane Current (5V) | 55 mA |
| Backplane Current (24V) | 195 mA |
| Load Range | 0 to 500 ohms |
| Max Load Reactance | 100 µH |
| Accuracy Drift | ±70 ppm/°C full scale |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Weight | 0.45 kg (1.00 lbs) |
Key Features
- 4 analog current output channels for SLC 500 systems
- 0 to +20 mA output range with 14-bit resolution
- 512 microsecond update time for all channels in parallel
- 2.5 millisecond step response at 95%
- Embedded selector switch for internal or external power supply
- Removable terminal block for simplified wiring
- LED status indicator for module monitoring
- Factory-calibrated for accurate performance
Installation Guidelines (Field Engineer Notes)
Power Selection: Select internal power supply (backplane) or external 24V DC ±10% at 195 mA max via embedded selector switch. Some applications require 21.6-26.4V DC when backplane power is insufficient.
Wiring: Use shielded cable such as Belden 8761 or equivalent. Keep cable lengths as short as possible. Ground shield at the module end only.
Load Connection: Connect loads with 0-500 ohm impedance. Maximum load reactance is 100 µH. Verify load compatibility before connection.
Isolation: Backplane isolation is 500V DC. Do not exceed this rating.
FAQs
Q1. What is the output current range of the 1746-NO4I?
A1. The module provides 0 to +20 mA output range with full-scale output of 21 mA and 14-bit resolution.
Q2. Can the module use external power?
A2. Yes. An embedded selector switch allows selection of internal backplane power or external 24V DC ±10% at 195 mA max.
Q3. What is the maximum load impedance?
A3. The module supports load range of 0 to 500 ohms with maximum load reactance of 100 µH.
Spesifikasi Tambahan
Skalar (V/f)
Vektor
Dikuasakan oleh AC
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