ALLEN BRADLEY 1444-DYN04-01RA Dynamix 1444 Series Monitoring Module

Manufacturer

Allen-Bradley

Model/Part Number

1444-DYN04-01RA

Description

Dynamix 1444 Series Monitoring Module

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

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

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

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 (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

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

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)

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

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)

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)