KJ3244X1-BA1 Series 2 DeviceNet Card: Specifications
The KJ3244X1-BA1 is a Series 2 DeviceNet Card engineered for hazardous and industrial environments, with the following key specifications extracted from the document:
Power Specifications
LocalBus Power Rating: 12 VDC at 600 mA
DeviceNet Power Rating: 24 VDC at 40 mA
Environmental Specifications
Ambient Temperature: -40 to 70 °C
Shock Resistance: 10g ½ Sinewave for 11 msec
Vibration Resistance: 1mm Peak to Peak (5–16 Hz); 0.5g (16–150 Hz)
Airborne Contaminants: Compliant with ISA-S71.04 –1985 Class G3
Relative Humidity: 5 to 95% non-condensing
Protection Class: IP20 (per IEC 60529)
Terminal Block Key Position: D5
Safety & Hazardous Location Approvals
ATEX Certification: II 3 G, EEx nA IIC T4 (Nemko No. 02ATEX431U)
FM Approval: Class I, Division 2, Groups A,B,C,D Hazardous Locations; Temperature Rating T4
Operational & Maintenance Notes
Hot-Swappable: No – Cannot be removed or inserted with system power energized.
User-Serviceable Parts: None – Do not disassemble; calibration is not required.
Overview of Emerson KJ3244X1-BA1 Series 2 DeviceNet Card
The Emerson KJ3244X1-BA1 is a specialized Series 2 DeviceNet Card designed for reliable
communication and integration in industrial and hazardous environments, serving as a critical
interface for connecting field devices to Emerson’s automation systems (such as DeltaV™ Scalable
Process System). Engineered to meet strict safety and environmental standards, KJ3244X1-BA1
balances robust performance with compliance for potentially explosive areas, making KJ3244X1-BA1
suitable for sectors like oil and gas, chemical processing, and power generation.
At its core, KJ3244X1-BA1 enables seamless DeviceNet communication while operating within
defined power parameters: KJ3244X1-BA1 draws 12 VDC at 600 mA from the LocalBus and 24 VDC at
40 mA from the DeviceNet network, ensuring efficient power usage without compromising signal
integrity. The environmental resilience of KJ3244X1-BA1 is a key strength—KJ3244X1-BA1 withstands
temperatures from -40 to 70 °C, 10g shock (11 msec ½ sinewave), and vibration (1mm peak-to-peak
at 5–16 Hz; 0.5g at 16–150 Hz)—along with resistance to airborne contaminants (ISA-S71.04 Class G3)
and 5–95% non-condensing humidity, all rated to IP20 protection for dust ingress.
Safety is prioritized through global hazardous location certifications: ATEX approval (II 3 G, EEx nA IIC
T4, Nemko No. 02ATEX431U) and FM approval (Class I, Division 2, Groups A–D, T4 temperature rating)
confirm the suitability of KJ3244X1-BA1 for explosive atmospheres. However, KJ3244X1-BA1 requires
adherence to specific installation guidelines—including reference to documents 12P2046 and
Installing Your DeltaV Automation System—and KJ3244X1-BA1 cannot be hot-swapped
(removal/insertion is prohibited with system power energized) to mitigate safety risks.
From a maintenance perspective, KJ3244X1-BA1 is designed for minimal upkeep: KJ3244X1-BA1 has
no user-serviceable parts (disassembly is forbidden) and requires no calibration, reducing operational
downtime. Additional practical details—such as a wiring diagram on KJ3244X1-BA1’s left side,
terminal block key position D5, and manufacturing/serial number information on the product label—
simplify installation, identification, and compliance tracking.
Overall, KJ3244X1-BA1 delivers a combination of communication functionality, environmental
durability, and safety compliance, making KJ3244X1-BA1 a trusted component for industrial
automation systems operating in demanding and hazardous conditions.
