Product Description
General Information
|
Parameter |
Value |
|---|---|
|
Manufacturer |
Allen-Bradley |
|
Model/Part Number |
1444-DYN04-01RA |
|
Description |
Dynamix 1444 Series Monitoring Module |
Technical Specifications
Channel Inputs
|
Attribute |
Value |
|---|---|
|
Number of Inputs |
4 |
|
Supported Sensor Types |
ICP accelerometers (CCS), dynamic pressure transducers, dual sensors (acceleration + temperature), eddy current probe systems (-24V DC), self-powered sensors, voltage signals |
|
Transducer Positive Power |
Constant current: 4 mA @ 24V, Voltage regulated: 24V/25 mA |
|
Transducer Negative Power |
Voltage regulated: -24V/25 mA |
|
Voltage Range |
±24V DC |
|
Isolation |
Non-isolated, single-ended analog inputs |
|
Impedance |
>100 kΩ |
|
Protection |
Reverse polarity |
Transducer Fault Detection
|
Feature |
Details |
|---|---|
|
Fault Detection Mechanism |
Bias level high/low limits, current threshold level monitoring for -24V supplied sensors |
|
Detection Speed |
Hardware-implemented for fast and reliable fault detection |
Analog to Digital Conversion
|
Attribute |
Value |
|---|---|
|
Converter |
24-bit |
|
Accuracy |
±0.1% (typical) |
|
Resolution |
3 µV (theoretical) |
|
Dynamic Range |
80 dBfs (0.01% FS), 90 dBfs typical |
|
Sample Rate |
2 Channels: 93 kS/s, 4 Channels: 47 kS/s |
Tachometer Inputs
|
Attribute |
Value |
|---|---|
|
Number of Inputs |
2 |
|
Terminal Inputs |
TTL class with internal pull-up resistor (5V DC) |
|
Local Bus Inputs |
Opto-isolated TTL input for signal and TX status |
|
Detection Threshold |
Fixed (-2.5V DC) |
|
Transducer Status |
Only local bus inputs |
|
Protection |
Reverse polarity |
Digital Inputs & Outputs
|
Attribute |
Value |
|---|---|
|
Digital Inputs (2) |
TTL class, non-isolated, 32V DC, 15 mA max per output |
|
Digital Outputs (2) |
Opto-isolated open-collector, 32V DC, 15 mA max per output |
|
Applications |
Trip inhibit/bypass, alarm/relay reset, alarm SPM/gate control, module status, tachometer status, transducer status, voted alarm status |
Buffered Outputs
|
Type |
Details |
|---|---|
|
BNC Outputs |
For temporary connections to instruments, resistance: 100 Ω, protection: ESD/EFT |
|
Terminal Pins |
For permanent connections, resistance: 100 Ω, protection: ESD/EFT, surge |
|
Buffered Output Power |
≈0.8 W |
Power Requirements
|
Attribute |
Value |
|---|---|
|
Connections |
2 Terminal Pins |
|
Current Consumption |
411 mA @ 24V (546…319 mA @ 18…32V) |
|
Power Consumption |
11.5 W |
|
Dissipation |
9 W |
|
Redundant Power |
Two 18…32V DC, max 8 A SELV power supply inputs |
|
Power Monitoring |
Voltage levels monitored, status indicated via process operating indicators and controller input (I/O) |
Isolation Voltage
|
Attribute |
Value |
|---|---|
|
Between Ethernet, power, ground, AUX bus |
50V (continuous), basic insulation |
|
Between signal ports, power, ground, AUX bus |
50V (continuous), basic insulation |
|
Between relay ports and system |
250V (continuous), basic insulation |
|
Between relay ports |
Type tested at 1500V AC for 60 s |
|
Other Ports |
Type tested at 707V DC for 60 s |
Environmental Specifications
|
Attribute |
Value |
|---|---|
|
EFT/B Immunity (IEC 61000-4-4) |
±2 kV at 5 kHz (unshielded power, shielded signal, Ethernet), ±3 kV at 5 kHz (unshielded relay) |
|
Surge Transient Immunity (IEC 61000-4-5) |
±1 kV line-line (DM), ±2 kV line-earth (CM) (power & relay), ±2 kV line-earth (CM) (signal & Ethernet) |
Physical Characteristics
|
Attribute |
Value |
|---|---|
|
Terminal Base Requirement |
1444-TB-A |
|
Removable Plug Connector Sets |
Module Spring: 1444-DYN-RPC-SPR-01, Screw: 1444-DYN-RPC-SCW-01 |
|
Terminal Base Plug Connector Sets |
Spring: 1444-TBA-RPC-SPR-01, Screw: 1444-TBA-RPC-SCW-01 |
|
Dimensions (H x W x D) Without Terminal Base |
153.8 x 103.1 x 100.5 mm (6.06 x 4.06 x 3.96 in.) |
|
Dimensions (H x W x D) With Terminal Base |
157.9 x 103.5 x 126.4 mm (6.22 x 4.07 x 4.98 in.) |
|
Weight Without Terminal Base |
400 g (0.88 lb) |
|
Weight With Terminal Base |
592 g (1.31 lb) |