Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | 20-HIM-C3S |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Type | Remote Human Interface Module (HIM) |
| Compatible Drives | PowerFlex 70, 700, 700H, 700L, 700S, 7000 series (DPI protocol) |
| Display | Backlit LCD, alphanumeric, multi-line |
| Keypad | Full numeric keypad (0–9, decimal, +/-, Enter, Esc, 4-way navigation, function keys) |
| Communication Interface | Drive Peripheral Interface (DPI) |
| Data Rate | 125 Kbps / 500 Kbps |
| Included Cable | 1202-C30 (3-meter DPI cable) |
| Supply Voltage | 12 VDC (sourced from host drive backplane) |
| Current Draw | 140 mA @ 12 VDC |
| External Power Supply | Not required |
| Mounting | Cabinet-door / remote panel mount (cutout required) |
| Protection Rating | IP66, NEMA Type 4X / 12 (indoor use) |
| Gasket | One-time adhesive coated gasket for IP66 seal |
| Dimensions (H × W × D) | 180 × 25 × 93 mm |
| Weight | 0.173 kg |
| Operating Temperature | 0 °C to +50 °C (32 °F to 122 °F) |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 5%–95% RH, non-condensing |
| Vibration Resistance | 2.5 G @ 5 Hz (operating), 5 G @ 5 Hz (at rest) |
| Key Functions | Start/Stop, Jog, parameter editing, fault display, CopyCat cloning |
| Lifecycle Status | Discontinued (Oct 31, 2023); replaced by 20-HIM-C6S |
| Warranty | 1-year standard |
Main Features and Advantages
Remote cabinet-door operation for enhanced safety: The defining advantage of the Allen-Bradley 20-HIM-C3S is its ability to bring drive intelligence to the outside of a sealed control cabinet. Instead of requiring operators to open live enclosures—exposing themselves to arc-flash and electrical hazards—the Allen-Bradley 20-HIM-C3S mounts on the cabinet door and communicates with the drive over a 3-meter DPI cable. This allows safe, immediate access to drive parameters, speed references and fault diagnostics from the factory floor, dramatically improving operator safety and reducing the time required to respond to process upsets.
Full numeric keypad with intuitive navigation: Unlike basic potentiometer-style speed pots, the Allen-Bradley 20-HIM-C3S features a complete 24-key full numeric keypad with digits 0–9, decimal point, +/- sign, Enter, Escape, four-way directional navigation and function keys. This full keyboard enables operators to directly enter precise frequency setpoints, navigate deep parameter menus, edit individual parameter values and execute advanced drive functions such as Jog, JAM detection and S.M.A.R.T. View diagnostics. The keys are sealed and glove-operable, making the Allen-Bradley 20-HIM-C3S practical for cold storage, food processing and outdoor environments where operators wear protective gear.
Backlit LCD for clear visibility in all conditions: The Allen-Bradley 20-HIM-C3S incorporates a backlit alphanumeric LCD display that remains readable in dimly lit equipment rooms, nighttime outdoor installations and high-ambient-light factory floors alike. The display presents real-time drive status—output frequency, motor current, fault codes, parameter values and custom monitoring lists—through an intuitive menu structure that minimizes training time. When a fault or alarm occurs, the LCD backlight flashes to immediately draw operator attention, reducing diagnostic time and getting the process back online faster.
CopyCat parameter cloning for rapid deployment: A standout productivity feature of the is its built-in CopyCat functionality, which allows maintenance teams to upload a drive’s complete parameter set from one and download it to another drive in seconds. This capability is invaluable when commissioning multiple identical drive systems—such as conveyor zones, pump banks or fan arrays—because the first drive can be tuned, then its configuration rapidly cloned to all others. CopyCat also serves as a disaster-recovery backup: a drive’s parameters can be captured before maintenance and restored afterward, eliminating the risk of lost configuration.
Rugged industrial construction with IP66/NEMA 4X sealing: The is built to survive the harshest industrial environments. Its front panel meets IP66 and NEMA 4X/12 standards, resisting dust ingress, water jets, oil splatter and corrosive atmospheres. The one-time adhesive gasket, when properly installed, guarantees the IP66 seal for the life of the installation. This makes the ideal for washdown areas in food and beverage plants, chemical processing facilities, water treatment plants and outdoor equipment enclosures where conventional HMIs would quickly fail.
DPI communication with bumpless transfer and brand-neutrality: The communicates over the DPI protocol at 125/500 Kbps, providing fast, deterministic data exchange with the host drive. Its Preload Reference Event feature enables bumpless transfer when switching between local HIM control and remote network control references, preventing sudden speed or torque jumps that could disrupt the process. The also works with Reliance Electric brand DPI drives, offering flexibility in mixed-vendor installations and protecting existing investment in legacy equipment.
Compact, lightweight and easy to install: At just 180 × 25 × 93 mm and 0.173 kg, the installs into a standard panel cutout with minimal effort. The included 1202-C30 3-meter cable provides immediate connectivity to the drive’s DPI port, and the module draws its 12 VDC power directly from the drive—no separate power supply, conduit or wiring is required. This plug-and-play simplicity reduces installation time and cost, making the the preferred operator interface for both new machine builds and retrofit projects.
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