The Allen-Bradley 1440-SDM02-01RA is a versatile XM-124 standard dynamic measurement module for industrial monitoring applications. This module accepts two dynamic channel inputs from various transducer types, including eddy current probes and accelerometers. Engineers use the 1440-SDM02-01RA to measure vibration, pressure, and velocity in critical rotating machinery. Additionally, the module includes one tachometer input for speed measurement and two isolated 4-20mA outputs. The flexible power options support constant voltage, constant current (IEPE), or passive voltage input configurations. Therefore, this module serves as a comprehensive solution for predictive maintenance programs.
The 1440-SDM02-01RA accepts two dynamic channel inputs from multiple transducer types. These inputs support eddy current transducer signals, accelerometer signals, and voltage signals from velocity or pressure transducers. The module offers three transducer power configurations: constant voltage at 24V DC or -24V DC with 40 mA output, constant current at 4.5 mA ± 30% / -20% from 24V DC for IEPE sensors, or no power for voltage inputs. The input voltage range spans from -20 to 0V DC, -10 to 10V DC, or 0 to 20V DC, depending on the sensor type. Input impedance exceeds 100 kΩ for the dynamic channels, ensuring minimal signal loading.
The 1440-SDM02-01RA features one dedicated tachometer input for speed measurement. This input accepts signals from ±25V (with a 50V peak-to-peak maximum) and supports a range of 1 to 50,000 events per revolution. The input impedance exceeds 120 kΩ for reliable signal acquisition. Speed measurement range spans from 1 to 1,200,000 rpm, equivalent to 0.0167 to 20,000 Hz. The module can power the tachometer with a constant voltage or configure it as a standard voltage input. Consequently, users can integrate various speed sensors, including magnetic pickups and optical encoders.
This 1440-SDM02-01RA module includes two isolated 4-20 mA outputs for process monitoring and control. Each output operates independently and can represent any measured parameter from either dynamic channel. The outputs drive loads up to 300 Ω maximum, making them compatible with most PLC analog inputs and recorders. Engineers can program each output to represent overall vibration, displacement, velocity, or acceleration. This flexibility allows the 1440-SDM02-01RA to provide critical process information to control systems for automated protection.
The 1440-SDM02-01RA requires a 24V DC power supply with Class 2/SELV/PELV certification for safety compliance. Typical current consumption is 350 mA, and maximum power dissipation reaches 8.7 watts. The module's compact design efficiently manages heat generation within the specified thermal limits. Users must ensure adequate ventilation around the module to maintain optimal operating temperatures. The terminal base provides the necessary power and signal connections for simplified installation.
The 1440-SDM02-01RA features a compact footprint suitable for space-constrained control cabinets. Dimensions measure approximately 9.7 x 9.4 x 9.4 cm (3.8 x 3.7 x 3.7 inches) for the module body. Module weight is 0.172 kg (0.38 lb), while the terminal base adds another 0.172 kg (0.38 lb). Total installed weight reaches 0.344 kg (0.76 lb), minimizing mechanical stress on mounting hardware. This lightweight construction facilitates easy handling and installation.
The 1440-SDM02-01RA integrates seamlessly with Rockwell Automation's XM series product line. This module mounts on a dedicated terminal base for secure DIN rail installation. The terminal base provides all necessary connections for power, inputs, outputs, and network communications. Engineers can configure the 1440-SDM02-01RA using DeviceNet or other XM series communication protocols. The module works with standard vibration analysis software for comprehensive machine condition monitoring.
The 1440-SDM02-01RA excels in critical machinery monitoring applications across various industries. For instance, this module monitors compressor vibration in oil and gas facilities. Similarly, it tracks turbine speed and vibration in power generation plants. The two dynamic channels allow simultaneous monitoring of horizontal and vertical axes or dual-point measurements. The tachometer input enables speed-synchronous analysis for accurate machinery diagnostics. Additionally, the 4-20 mA outputs interface directly with PLC systems for automated shutdown or alarm functions.
Installing the 1440-SDM02-01RA requires methodical attention to mounting and wiring procedures. First, mount the terminal base securely on a standard DIN rail in your control cabinet. Then, align the 1440-SDM02-01RA with the terminal base guide pins and press firmly until it locks in place. Connect the 24V DC power supply to the designated terminals on the base. Wire your transducers to the dynamic channel inputs using suitable shielded cables. Finally, connect your tachometer sensor to the dedicated speed input terminal. Power up the system and verify proper operation through status LEDs or configuration software.
The product package for the 1440-SDM02-01RA includes the following items:
One (1) Allen-Bradley 1440-SDM02-01RA XM-124 dynamic measurement module
One (1) terminal base (separate component included)
Note: This package does not include transducers, cables, mounting hardware, or configuration software. Users must obtain these items separately.
We ship all orders for the 1440-SDM02-01RA using leading global courier services. Our logistics partners include FedEx, UPS, and DHL for reliable worldwide delivery. Each package receives careful handling to prevent transit damage. We dispatch most orders within 24 to 48 hours after payment confirmation. Standard delivery times vary depending on the destination country. For urgent project requirements, we offer expedited shipping options upon request.
1. Q: What transducer types work with the Allen-Bradley 1440-SDM02-01RA?
A: The 1440-SDM02-01RA accepts eddy current probes, accelerometers, velocity transducers, and pressure transducers with voltage outputs.
2. Q: Does the 1440-SDM02-01RA include a tachometer input?
A: Yes, the 1440-SDM02-01RA features one tachometer input with a speed range of 1 to 1,200,000 rpm.
3. Q: What outputs does the 1440-SDM02-01RA provide?
A: This module includes two isolated 4-20 mA outputs that independently represent any measured parameter from either channel.
4. Q: What is the power consumption of the 1440-SDM02-01RA?
A: The 1440-SDM02-01RA requires 350 mA at 24V DC, with maximum power dissipation of 8.7 watts.
5. Q: What is the difference between 1440-SDM02-01RA and 1440-VSE02-01RA?
A: The 1440-SDM02-01RA adds a tachometer input and 4-20mA outputs, while the 1440-VSE02-01RA focuses on vibration-only monitoring with fewer features.
| Brand Name | |
| Model No. | 1440-SDM02-01RA |
| Product Type | Measurement Module |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
