The Emerson KJ3208X1-BA1, also cataloged as the KJ3208X1-BA1 Isolated Digital Output Card, operates as a dedicated hardware component for discrete high-isolation switching within Emerson DeltaV DCS platforms.
Hardware Specifications
Parameter
Specification
Model
KJ3208X1-BA1
Brand
Emerson
Origin
USA / As Manufactured
Weight
0.40 lbs
Dimensions
Standard DeltaV Series 2 Slot Form Factor
Operating Temp
-40 to +70 deg C
Power Consumption
LocalBus: 12 VDC / 150 mA
Field Circuit Rating
60 VDC / 1 A per channel
Output Signal Type
Isolated Digital Output
Channel Count
8 Channels
Enclosure Rating
IP20
Mechanical Shock
10g half-sine wave for 11 ms
Process Control & Signal Isolation Features
Channel-to-Channel Isolation: Features individual channel-to-channel galvanic isolation rated for field circuits up to 60 VDC at 1 A, protecting system electronics from external ground loops and voltage transients.
4-20 mA HART & Discrete Loop Coexistence: Regulates discrete field actuators, solenoids, and interlocks while sharing DeltaV Series 2 backplane communication lines with 4-20 mA HART analog loops.
FOUNDATION Fieldbus Bus Coordination: Synchronizes output channel switching events across local backplane buses for coordinated execution with fieldbus segment controllers.
Frequently Asked Questions
Q: What are the backplane current requirements and field circuit ratings for the KJ3208X1-BA1 card?
A: The module draws 150 mA at 12 VDC from the LocalBus and supports isolated field load circuits up to 60 VDC at 1 A per channel.
Q: What environmental and shock resistance ratings apply to this Series 2 module?
A: The assembly features an IP20 ingress protection rating and withstands operational shock levels up to 10g half-sine wave for 11 ms duration.
Field Installation Guidelines
Confirm that LocalBus power is stable before seating the module into its designated DeltaV Series 2 carrier slot.
Ensure all field circuit loads do not exceed the maximum rating of 60 VDC at 1 A per channel prior to powering external loops.
Maintain physical separation between discrete DC output wiring and high-voltage AC conductors inside cabinet wireways.
Connect all cable shield drain wires to a single cabinet earth ground bar to maintain signal integrity and electromagnetic noise immunity.
