Product Description
Product Details
- Manufacturer: Allen-Bradley
- Model/Part Number: 1769-HSC
- Model Type: CompactLogix High-Speed Counter Module
Key Features
| Attribute | Description |
|---|---|
| Module Type | High-Speed Counter Module |
| Inputs | 2 quadrature (ABZ) differential inputs |
| Input Voltage Range | 2.6V to 30V DC |
| Input Frequency | Max 1 MHz |
| Outputs | 16 total (4 physical, 12 virtual) |
| Output Voltage Range | 5V to 30V DC |
| Reverse Polarity Protection | 30V DC |
Input Specifications
| Attribute | Description |
|---|---|
| No. of Inputs | 2 quadrature differential inputs |
| Input Voltage Range | 2.6V to 30V DC |
| On-State Voltage (Min) | 2.6V DC |
| On-State Voltage (Max) | 30V DC |
| Input Frequency (Max) | 1 MHz |
| On-State Current (Min) | 6.8 mA |
| Off-State Voltage (Max) | 1.0V DC |
| Off-State Leakage Current (Max) | 1.5 mA |
| Input Impedance (Nominal) | 1950Ω |
| Pulse Width (Min) | 250 ns |
| Input Current (Max) | 15 mA |
Output Specifications
| Attribute | Description |
|---|---|
| No. of Outputs | 16 total (4 physical, 12 virtual) |
| Output Voltage Range | 5V to 30V DC |
| On-State Voltage Drop (Max) | 0.5V DC |
| On-State Current (Max) | 1A per output point, 4A per module |
| Off-State Leakage Current (Max) | 5 µA |
| Turn-on Time (Max) | 400 µs |
| Turn-off Time (Max) | 200 µs |
| Reverse Polarity Protection | 30V DC |
Technical Specifications
| Attribute | Description |
|---|---|
| Dimensions (H x W x D) | 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 in.) |
| Height with Mounting Tabs | 138 mm (5.43 in.) |
| Shipping Weight | Approx. 309 g (0.681 lb) |
| Bus Current Draw (Max) | 425 mA at 5V DC, 0 mA at 24V DC |
| Heat Dissipation | 6.21 W |
| Isolation Voltage | 75V DC continuous, tested at 1200V AC for 2 seconds |
| Power Supply Distance Rating | Module cannot be more than 4 modules away from system power supply |
| Enclosure Type Rating | None (open-style) |
| Operating Temperature Code | T3C North American temperature code |
Wiring & Mounting
| Attribute | Description |
|---|---|
| Recommended Cable | Individually shielded, twisted-pair (or as recommended by the encoder/sensor manufacturer) |
| Wire Size | 0.32… 2.1 mm² (22…14 AWG) solid copper wire, 0.32…1.3 mm² (22…16 AWG) stranded copper wire |
| Wiring Category | 2 (on signal ports) |
| Mounting Options | DIN rail or panel mount |
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