Description
Overview
The KJ3203X1‑BA1 (12P3270X042 / VE4001S2T2B4) Discrete Input Module is part of the Emerson DeltaV M‑Series I/O platform. It provides reliable acquisition of dry‑contact field signals, enabling accurate monitoring of on/off states in distributed control system (DCS) applications. Its design supports high‑density installations and stable operation in demanding industrial environments.
Functional Characteristics
This module is engineered to process discrete field inputs with fast response times and robust electrical isolation. It supports dry‑contact inputs at 24 VDC, making it suitable for interfacing with switches, relays, limit sensors, and other binary devices. Integrated diagnostics help detect wiring issues, channel faults, and abnormal signal conditions.
Key Features
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32‑channel discrete input module for DeltaV M‑Series systems
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Designed for 24 VDC dry‑contact field signals
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Channel‑to‑channel and channel‑to‑bus isolation for improved reliability
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Built‑in diagnostics for early detection of wiring or device faults
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Rugged construction for harsh industrial environments
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Compact form factor for efficient cabinet utilization
Technical Specifications
| Parameter |
Specification |
| Model / Part Number |
KJ3203X1‑BA1 / 12P3270X042 / VE4001S2T2B4 |
| Product Type |
Discrete Input Module |
| System Compatibility |
DeltaV M‑Series I/O Subsystem |
| Dimensions |
16.8 × 8.7 × 4.4 cm |
| Weight |
0.2 kg |
| Input Type |
24 VDC dry‑contact discrete signals |
| Number of Channels |
32 channels |
| Isolation |
Channel‑to‑channel and channel‑to‑bus isolation |
| Operating Temperature |
−40°C to +70°C |
| Power Source |
DeltaV backplane power |
| Housing Material |
Industrial‑grade polymer |
| HS Code |
8537101190 |
| Country of Origin |
USA |
| System Type |
DCS discrete input module |
Application Scenarios
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Monitoring of switches, relays, and binary sensors
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Discrete signal acquisition in refining, petrochemical, and power industries
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High‑density cabinet installations requiring compact I/O modules
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Replacement of legacy DeltaV discrete input modules
Additional Notes
This module does not provide analog or pulse‑counting functions; it is strictly for dry‑contact discrete inputs. It requires the appropriate DeltaV terminal block for field wiring. Its robust isolation design enhances system reliability in electrically noisy environments.
FAQ
Q: What type of field devices can be connected to this module A: Dry‑contact devices such as limit switches, relay contacts, and mechanical sensors.
Q: Does it support 24 VDC sourcing inputs A: No. It is designed for dry‑contact (voltage‑free) inputs only.
Q: Can it be used with S‑Series hardware A: No. It is intended for M‑Series systems.
