Product Description
The 1790D-TN4V0 is a 4-channel single-ended analog input module. It accepts 0…10V signals and delivers 12-bit unipolar data (binary 0000 to 0fff). This base module supports up to two discrete expansion modules. It is ideal for PLC and DeviceNet networks in industrial environments.
Key Technical Data
| Brand | Rockwell Automation / Allen‑Bradley |
| Model | 1790D-TN4V0 |
| Series | 1790D Compact Analog Base Module |
| Inputs per Module | 4 channels, single‑ended, non‑isolated |
| Input Voltage | 0…10V DC |
| Resolution | 12 bits unipolar, 2.44 mV/bit, 1/4096 max |
| Converted Data | Binary 0000 to 0fff (full scale) |
| Conversion Time | 10 ms per channel |
| Overall Accuracy | 0.2% Full Scale @ 0…55 °C |
| Calibration | None required |
| Input Impedance | 500 KΩ min |
| Insulation Resistance | 20 MΩ min @ 250V DC (between insulated circuits) |
| DeviceNet Supply | 24V DC nom (11…28.8V DC), 1.2W max @ 28.8V |
| Field Power Supply | 24V DC nom (21.6…26.4V DC), 1.5W max @ 26.4V |
| Isolation | I/O to logic: photocoupler (1250V AC rms for 60s) ; DeviceNet/logic & field power: non‑isolated |
| Indicators | 4 red/green I/O status LEDs |
| Wiring | Terminal block M3.0, screw torque 7 lb‑in max (copper or copper‑clad aluminum) |
Installation & Compatibility
- Mount on a DIN rail or panel. Use copper conductors only.
- Max two discrete expansion modules per base.
- DeviceNet network compatible; supports polled and strobed I/O.
- Non‑isolated field power; observe polarity.
- Ambient temperature range: 0…55 °C for full accuracy.
- Humidity: 5…95% non‑condensing.
- EMC immunity per IEC 61000‑6‑2.
Diagnostics & Maintenance
- Status LEDs indicate channel activity and fault conditions.
- No calibration needed; drift‑free design.
- Built‑in over‑range and under‑range detection.
- Easy access terminal block for fast wiring.
- Module status readable via DeviceNet object model.
Typical Applications
- Analog sensor monitoring (pressure, level, flow).
- PID loop feedback in HVAC and process control.
- Machine tool voltage signal acquisition.
- Replacement for obsolete 1790 series systems.
FAQ
- Q: Is this module isolated?
I/O to logic is photocoupler isolated (1250V AC). DeviceNet and field power are non‑isolated. - Q: What is the conversion time?
10 ms per channel, sequential. - Q: Can I use this with 4‑20 mA sensors?
No, it is voltage input only (0…10V). Use a separate resistor or signal conditioner. - Q: How many expansion modules?
Maximum two discrete expansion modules. - Q: Does it require calibration?
No, factory calibrated and stable.
Why Buy From Oiltech Controls?
- Over 15 years of experience in industrial automation spares.
- Global shipment support – we ship worldwide via FedEx, UPS, or DHL.
- Every unit is tested before shipment (functional and verification).
- We offer tested surplus and refurbished options for obsolete systems.
- 12‑month warranty on all products.
- Technical verification and configuration support available.
Packaging & Delivery
- Package includes: 1 x 1790D-TN4V0 module, terminal block, and quick‑start guide.
- Shipping methods: FedEx, UPS, DHL – tracking provided.
- Delivery: typically 3‑5 business days (depending on destination).
Certifications
- UL Listed, cULus, CE marked.
- RoHS compliant.
- Designed for industrial control equipment per EN 61131‑2.
Contact Information
For inquiries: info@oiltechcontrols.com | +86 158 8020 0923 (WhatsApp)
Copyright © 2026 Oiltech Controls Limited. All rights reserved.
Original Source: https://www.oiltechcontrols.com/ All rights reserved.
.%20This%20base%20module%20supports%20up%20to%20two%20discrete%20expansion%20modules.%20It%20is%20ideal%20for%20PLC%20and%20DeviceNet%20networks%20in%20industrial%20environments.%20Key%20Technical%20Data%20Brand%20Rockwell%20Automation%20/%20Allen‑Bradley%20Model%201790D-TN4V0%20%5B…%5D&media=https://www.oiltechcontrols.com/wp-content/uploads/2025/12/1790D-TN4C0_.jpg){kind=link}
Reviews
There are no reviews yet.