Emerson KJ3246X1-BA1 DeltaV S-Series H1 Fieldbus Interface with Integrated Power
A DeltaV S-Series H1 fieldbus interface providing two powered ports, with 12 V DC local-bus demand and defined field-circuit limits.
Product Identification
KJ3246X1-BA1 is the Emerson DeltaV S-Series H1 Fieldbus Interface Module with integrated segment power. The S-Series execution provides two fieldbus ports and is identified by the complete BA1 suffix.
Manufacturer certification data lists 12 V DC local-bus power at 300 mA and field-circuit power of 28–30 V DC at up to 400 mA per port. Segment design, terminators, cable loading and connected devices remain part of the compatibility decision.
This BA1 article is the two-port S-Series execution with integrated fieldbus segment power; it is not selected by H1 terminology alone.
Engineering Data
- Product type
- H1 Fieldbus Interface Module
- Series execution
- DeltaV S-Series
- Port count
- 2
- Integrated power
- Yes
- Local-bus power
- 12 V DC at 300 mA
- Field-circuit voltage
- 28–30 V DC
- Field-circuit current
- Up to 400 mA per port
- Service identity
- Complete BA1 suffix required
- Network record
- Segment topology and device list required
- Fieldbus class
- FOUNDATION Fieldbus H1
Functions
Interface H1 devices
Connects the DeltaV controller architecture to the installed FOUNDATION Fieldbus H1 segments.
Power two segments
Integrated power supports the two S-Series ports within the stated field-circuit ratings.
Keep segment diagnostics visible
Interface status and network evidence support service decisions for each connected segment.
Applications
Powered H1 segments
Use where the segment current, cable, terminators and field devices remain within the approved design.
Process-instrument communication
Retain device tags, schedules and control strategies when the interface is replaced.
Controlled spare exchange
Match the two-port BA1 hardware identity instead of assuming equivalence with M-Series or four-port versions.
Lifecycle
Map
Record KJ3246X1-BA1, both port assignments, segment currents, terminators and every connected field device.
De-energize
Isolate controller and fieldbus power in the order required by the approved process procedure.
Reconnect
Restore each segment to its original port and preserve shield, spur and terminator arrangements.
Validate
Confirm stable segment voltage, expected devices, communication quality and all affected control strategies.
About IndustryParts
https://www.industryparts.com/Controlled handling for KJ3246X1-BA1
IndustryParts keeps the submitted KJ3246X1-BA1 identity, requested quantity and installed-system evidence together so a proposed supply can be checked before dispatch.
- Suffix and MOD identity kept visible
- Mating hardware recorded before supply
- Acceptance evidence linked to the order
FAQ
How many H1 ports are associated with KJ3246X1-BA1?
The S-Series execution is identified as a two-port fieldbus interface with integrated segment power.
What power data matters for KJ3246X1-BA1?
Retain the 12 V DC / 300 mA local-bus requirement and the 28–30 V DC field-circuit rating up to 400 mA per port.
What should accompany a KJ3246X1-BA1 quotation?
Provide the BA1 label, carrier slot, two-port segment map, measured segment currents and field-device schedule.
Can KJ3246X1-BA1 replace a four-port fieldbus interface?
Not by family name alone. Port count, series, integrated-power architecture and controller compatibility must match.
What closes a KJ3246X1-BA1 service record?
Document correct module recognition, both segment voltages, discovery of all expected devices and successful loop or strategy tests.
