1769-HSC High-Speed Counter Module | Allen-Bradley CompactLogix

Allen-Bradley 1769-HSC | High-Speed Counter Module

The 1769-HSC is a Compact I/O module for high-frequency switching. It handles counter, totalizer, and position-control tasks. This module directly interfaces with encoders, transmitters, and fast sensors. It fits CompactLogix and MicroLogix 1500 controllers.

Key Technical Profile

• 2 quadrature (ABZ) differential inputs – 1 MHz frequency, 2.6–30V DC range
• 16 total outputs – 4 physical + 12 virtual, 5–30V DC sourcing
• On-state current – 1 A per point, 4 A per module
• Input pulse – 250 ns min width, 131 ns separation
• Isolation – 75V continuous, 1200V AC for 2 s (reinforced)
• Bus draw – 425 mA @ 5V DC; 0 mA @ 24V DC
• Power distance – max 4 modules from power supply
• Operating temp – 0 to 60 °C; storage -40 to 85 °C

Installation & Wiring Essentials

• Mount on standard DIN rail. Use individually shielded twisted-pair cable.
• Wire size: 0.32–2.1 mm² (22–14 AWG) solid or 0.32–1.3 mm² (22–16 AWG) stranded.
• Insulation rating: 90 °C (194 °F) max.
• Do not install/remove under power – no RUI support.
• Keep within 4 modules of system power supply for stable operation.

Diagnostics & Status

• No onboard display – status via controller logic and I/O tags.
• Monitor input frequency and output state in Logix5000.
• Use module-defined data tags for real-time fault checking.
• Virtual outputs allow internal logic control without physical wiring.

Compatibility & Dimensions

• Controllers – CompactLogix, MicroLogix 1500
• Series – A and B (backward compatible)
• Size – 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 in); with tabs: 138 mm
• Weight – 130 g (0.286 lb)
• Enclosure – Open-style, IP20 protection

Oiltech Controls’s Insight

• This module excels in high-speed counting and encoder feedback.
• Ideal for flow totalization, length measurement, and position control.
• The 1 MHz input handles fast pulse trains from incremental encoders.
• Virtual outputs add flexibility for internal logic without extra wiring.
• Common in packaging, converting, and material handling lines.

What Equipment Is It For?

• CompactLogix 5370, 5380, 5480 controllers
• MicroLogix 1500 programmable controllers
• High-speed encoders with ABZ differential outputs
• Pulse-output flowmeters and proximity sensors
• Motion control and speed monitoring systems

5 Professional FAQs with Buying Guidance

Q: Can I use this module with a 24V encoder?

Yes. The inputs accept 2.6–30V DC, so 24V encoders work directly.

Q: What happens if I exceed the 4-module distance from power?

Voltage drop may occur. Follow the power supply distance rating to avoid erratic counts.

Q: How do I configure the virtual outputs?

Map them in the controller’s I/O configuration. They act as internal flags for logic sequencing.

Q: What cable type is recommended for noisy environments?

Use individually shielded twisted-pair cable. Ground the shield at one end for best noise rejection.

Q: Is this module suitable for replacing a 1769-HSC Series A?

Yes, Series B is backward compatible. Check firmware version for full feature support.

Why Buy From Oiltech Controls?

• Decades of expertise – 15+ years in industrial automation spares
• Worldwide delivery – FedEx, UPS, DHL express shipping
• Quality assured – tested surplus/refurbished options verified before shipment
• 12-month warranty – covers all modules, no hidden terms
• Obsolete support – we help source hard-to-find control parts

Ordering & Shipping

• Packaging – anti-static, industrial-grade secure box
• Dispatch – 24–28 hours after order confirmation
• Carriers – FedEx, UPS, DHL (tracking provided)
• Warranty – 12 months from invoice date
• Contact – info@oiltechcontrols.com or +86 158 8020 0923 (WhatsApp)

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