Emerson KJ3203X1-BK1 S-Series 32-Channel 24 VDC Dry Contact DI Card

Product Description

Configured for dry-contact discrete signal acquisition in the Emerson DeltaV DCS, the Emerson KJ3203X1-BK1 (KJ3203X1-BK1 S-Series DI Card) provides 32 digital input channels for field contact states. The card accepts 5-60 VDC input signals and monitors each channel through a 3.3 kOhm typical input impedance.

Hardware Specifications

Emerson DCS Discrete Signal Interface

The KJ3203X1-BK1 processes discrete field states rather than analog 4-20 mA HART signals. Therefore, field wiring should maintain clear separation between discrete input circuits and analog or communication wiring.

The 3.3 kOhm typical input impedance limits the field circuit loading while each channel monitors the applied DC input state. In addition, the 32-channel density allows multiple dry-contact points to terminate on one S-Series input card.

The card uses DeltaV local bus power for its internal interface and separately uses bussed field power for field-side circuits. Consequently, power loading should account for both the module-level consumption and the per-channel field circuit requirement.

Frequently Asked Questions

Q: What input voltage range does the KJ3203X1-BK1 accept?
A: The specified input voltage range is 5-60 VDC. The stated on-state threshold is <= 5 VDC, while the off-state threshold is >= 15 VDC.

Q: How much local bus power does the card consume?
A: The card requires 12 VDC at 75 mA from the local bus power supply. It also specifies 24 VDC at 150 mA from bussed field power.

Q: What terminal and wiring arrangement does the card use?
A: The card uses removable 16-pin terminal blocks, with 2 groups per block. The specified wiring range is 12-22 AWG with 0.5-0.6 N m screw-terminal torque.

Field Installation Guidelines

• Verify the KJ3203X1-BK1 part number and terminal assignment before energizing the circuit.
• Confirm the field supply voltage remains within the specified 5-60 VDC input range.
• Route discrete input wiring separately from high-voltage power cables and high-noise switching conductors.
• Use the specified 12-22 AWG conductor range and apply the stated 0.5-0.6 N m terminal torque.
• Inspect removable terminal blocks for complete mechanical engagement before system startup.
• Maintain appropriate separation between hazardous-area field circuits and non-hazardous wiring according to the applicable installation standard.
• Apply the applicable hazardous-area installation requirements when operating within classified locations.
• Verify contact-state polarity and field circuit continuity before connecting the card to energized circuits.
• Do not treat the discrete input channels as 4-20 mA HART or other analog communication channels.
• Confirm DeltaV I/O configuration matches the physical 32-channel discrete input arrangement before commissioning.

Other Attributes

• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

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