Description
Overview
The KJ3203X1‑BK1 (12P4694X032) SE4001S2T2B4 Discrete Input Card is a 32‑channel digital input module designed for DeltaV M‑series control platforms. It provides reliable state detection for field devices operating within a wide DC voltage range, making it suitable for high‑density digital signal acquisition in distributed control systems.
Engineered for long‑term stability and straightforward integration, this module supports dry‑contact and solid‑state input devices, ensuring accurate monitoring across a broad range of industrial applications.
Key Features
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32 independent discrete input channels
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Wide input voltage acceptance from 5 to 60 VDC
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Dry‑contact compatible with defined ON/OFF thresholds
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Group‑to‑group isolation for enhanced electrical protection
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Rugged environmental performance for harsh installations
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Removable terminal blocks for simplified wiring and maintenance
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Native compatibility with DeltaV M‑series I/O carriers
Technical Specifications
Electrical Characteristics
| Parameter |
Specification |
| Input Channels |
32 discrete inputs |
| Input Voltage Range |
5–60 VDC |
| Typical Input Impedance |
3.3 kΩ |
| ON‑State Threshold |
≤ 5 VDC |
| OFF‑State Threshold |
≥ 15 VDC |
| Isolation |
300 VAC RMS (group‑to‑group) |
| Input Type |
Dry contact / digital signal |
Environmental Ratings
| Parameter |
Specification |
| Operating Temperature |
−40°C to +70°C |
| Storage Temperature |
−40°C to +85°C |
| Relative Humidity |
5–95% RH, non‑condensing |
| Contaminant Resistance |
Meets ISA‑S71.04 G3 requirements |
Mechanical & Physical Data
| Parameter |
Specification |
| Dimensions |
4.2 × 12.5 × 10.5 cm |
| Weight |
0.2 kg |
| Terminal Block |
Removable 16‑pin, supports 12–22 AWG |
| Mounting |
DeltaV M‑series carrier base |
| Country of Origin |
USA |
Logistics
| Parameter |
Specification |
| Condition |
Brand New |
| Availability |
In Stock |
| MOQ |
1 |
| HS Code |
8537101190 |
Functional Description
The KJ3203X1‑BK1 (12P4694X032) SE4001S2T2B4 module provides high‑speed digital state detection for field devices such as limit switches, relays, proximity sensors, and interlock circuits. Its wide input voltage tolerance allows integration with mixed‑voltage field wiring without additional interface hardware.
The module incorporates robust electrical isolation between channel groups, reducing the risk of cross‑channel interference and improving system resilience. Integrated diagnostics monitor channel health and wiring conditions, enabling operators to quickly identify abnormal states or wiring faults.
Its removable terminal blocks and compact form factor simplify installation and replacement, making it a practical choice for both new system builds and modernization projects.
Application Scenarios
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Digital signal acquisition in DCS architectures
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Monitoring of interlocks, permissives, and equipment status
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High‑density discrete input applications in power, chemical, and refining plants
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Harsh‑environment installations requiring wide temperature tolerance
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DeltaV M‑series system expansions or module replacements
FAQ
Q: Does this module support mixed‑voltage digital inputs? A: Yes. The 5–60 VDC input range allows connection to various field devices without additional converters.
Q: Are the channels individually isolated? A: Isolation is provided between channel groups, offering protection against electrical noise and transient events.
Q: Can this module be used in legacy DeltaV systems? A: It is designed for M‑series carriers and is compatible with standard DeltaV configuration tools.
