GE 8121-DI-DC Digital Input Module
High-performance DC digital input module designed for industrial automation applications requiring reliable signal acquisition

Technical Specifications
| Parameter |
Specification |
| Model Number |
GE 8121-DI-DC |
| Product Type |
Digital Input Module |
| Input Channels |
16 isolated digital inputs |
| Input Voltage |
24V DC (18-32V DC range) |
| Input Current |
3-5 mA per point (typical) |
| Isolation Voltage |
1500V AC continuous |
| Response Time |
≤ 1 ms (ON to OFF), ≤ 2 ms (OFF to ON) |
| Operating Temperature |
-20°C to +70°C (-4°F to +158°F) |
| Storage Temperature |
-40°C to +85°C (-40°F to +185°F) |
| Humidity Rating |
5-95% non-condensing |
| Power Consumption |
1.5W (typical) |
| Connection Type |
Removable screw terminal block |
| Status Indicators |
Per channel status LED, power LED |
| Compatibility |
GE PACSystems, RX3i, and VersaMax systems |
| Certifications |
UL, cUL, CE, ATEX, IECEx |
Key Features
High-Density Design
16 input channels in a compact form factor, saving valuable panel space.
Advanced Diagnostics
Per-channel status LEDs for quick troubleshooting and maintenance.
Wide Voltage Range
Operates reliably with input voltages from 18-32V DC, accommodating power fluctuations.
Robust Isolation
1500V AC isolation protects control system from field-side electrical disturbances.
Industrial Durability
Designed to withstand harsh industrial environments with wide operating temperature range.
Easy Installation
Removable terminal blocks simplify wiring and maintenance procedures.
Typical Applications
- Industrial process control systems
- Manufacturing automation equipment
- Material handling and conveyor systems
- Packaging machinery
- Discrete manufacturing applications
- Water and wastewater treatment systems
- Power generation monitoring and control
Compatibility Information
The GE 8121-DI-DC digital input module is compatible with the following GE control systems:
- PACSystems RX3i
- PACSystems RSTi-EP
- VersaMax PLC systems
- Series 90-30 PLC systems (with appropriate interface)
Please consult the product documentation for specific configuration requirements and any necessary interface modules.

Main Brand:
First hand source, affordable price. Spot inventory!
•Shipping Port: Xiamen
•E-mail: sales5@xrjdcs.com
•Tel: +8618250705533(WhatsApp)
•Ship to you via Fedex/DHL/TNT/UPS/EMS
•Package: Original packing with cartons

OUR FASTER DELIVERY RATE
Customer support responds quickly.
Partner network spans the globe.
Customers in 152 countries.
No matter where the user is in the world, SAUL ELECTRIC is committed to keeping your machine up and running as soon as possible.
Our Main Brands
DCS/PLC/TSI Manufacturers:
ABB, GE, Allen Bradley, Honeywell, Emerson, Bently Nevada, Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider, Yokogawa, Woodward, B&R, KEBA, etc.
Product Categories & Models
1. Distributed Control System (DCS)
- ABB: 3AUA0000110429, SYSCON2 746924
- Invensys Foxboro: FBM214, FBM242, B0123HE
- Invensys Triconex: 3625, 3700A, 3604E
- Woodward: 5462-758B
- HIMA: F2-DO-16-02, F8650E
- Yokogawa: SAI143-S03 S1, F9342L-02
- Honeywell: 51402497-200, 51403519-160, 51199194-100, CC-PDO801
- Emerson: KJ4001X1-NB1, 12P3368X012
2. Programmable Logic Controller (PLC)
- Rockwell/Allen Bradley: 1734-IB8, 1734-OB8, 1769-L18ER-BB1B, 1756-IM16I
- ICS Triplex: T8461, T8850, T8403, T8431, T8831, T8310
- Schneider Modicon: 140DDI85300
- GE Fanuc: IS210AEPSG2B, IS220UCSAH1A, IS215ACLEH1A, IS210AEAAH1B
- Siemens: 6ES7331-1KF02-0AB0
- Prosoft: MVI46-DFNT
- Bachmann: MPC240
- Woodhead: 9905-068 2301A
3. Turbine Supervisory Instrumentation (TSI)
- Bently Nevada: 3500/22M, 138607-01, 3500/25, 3500/53, 3500/32M 149986-02
- EPRO: MMS6110, MMS6120, MMS6220, MMS6312, MMS6410, 6423, 6424
- ENTEK: EK C6622HS, XM124, 1440-SDM02-01RA

There are no reviews yet.