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SKU:1746-HSCE2
Allen-Bradley 1746-HSCE2 | SLC 500 High-Speed Counter Module
Manufacturer: Allen-Bradley
Product No.: 1746-HSCE2
Product Type: Counter Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 340g
Shipping port: Xiamen
Warranty: 12 months
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Product Overview
The Allen-Bradley 1746-HSCE2 is a multi-channel High-Speed Counter Module for the SLC 500 platform. This intelligent module counts in both directions, handles single-ended and quadrature encoders, and provides 8 outputs (4 virtual, 4 real). It is ideal for counting, totalizing, and position monitoring applications.
Core Functionality
The 1746-HSCE2 accepts differential or single-ended inputs (±A, ±B, ±Z) with voltage ranges of 4.2-12Vdc (5V logic) or 10-30Vdc (24V logic). It supports up to 4 pulse counters or 2 quadrature counters with 24-bit counting (±8,388,607) in linear or ring mode. The module features a dedicated processor for signal processing and includes thermal cut-out protection for short circuits and overloads.
Technical Specifications
| Parameter | Value |
| Part Number | 1746-HSCE2 |
| Series | SLC 500 |
| Module Type | High-Speed Counter Module |
| Inputs | ±A1, ±B1, ±Z1, ±A2, ±B2, ±Z2 |
| Input Voltage Range | 4.2-12Vdc / 10-30Vdc |
| Max. Input Frequency | 1 MHz |
| Min. Pulse Width | 475 ns |
| Min. Phase Separation | 200 ns |
| Counting Range | ±8,388,607 (24-bit) |
| Outputs | 8 total (4 virtual / 4 real) |
| Output Voltage Range | 5-30 Vdc (sourcing) |
| Output Current (per ch) | 1.0A max |
| Backplane Isolation | 1000V |
| Channel-to-Output Isolation | 500V |
| Backplane Current (5V) | 250 mA |
| Update Time | 1.5 ms |
| Thermal Dissipation | 1.25W |
| Weight | 0.34 kg (0.75 lbs) |
Installation Guide
Install the 1746-HSCE2 in any available slot of the SLC 500 chassis. Connect input devices to the ±A, ±B, and ±Z terminals. For single-ended encoders, use the A and B inputs. For quadrature encoders, connect both differential pairs. Wire outputs to the real output terminals. Use shielded twisted-pair cable for inputs to reduce high-frequency noise, especially on low-frequency signals.
Engineering Advantages
This module delivers high-speed counting up to 1MHz with 475ns minimum pulse width. The 24-bit counter range supports extensive position monitoring. Thermal cut-out protection automatically shuts down channels during short circuits or overloads. The dedicated processor ensures reliable signal processing independent of the CPU scan cycle. Compatibility with RIO adapters extends its use in distributed systems.
Technical FAQs
Q1: Encoder types supported?
A1: Supports single-ended pulse counters (4 devices) or differential quadrature encoders (2 devices).
Q2: Input voltage selection?
A2: 4.2-12Vdc for 5V logic. 10-30Vdc for 24V logic. Choose based on encoder output levels.
Q3: Output current limits?
A3: 1.0A per channel. Module max 2.0A at 40°C and 1.5A at 60°C. Thermal protection activates on overload.
Ytterligere spesifikasjoner
Skalar (V/f)
Vektor
AC-drevet
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