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1794 FLEX I/O Module
Bulletin 1794 FLEX™ I/O modules offer flexibility for your application with digital, analog, HART analog, and specialty I/O, with 4…32 points per module. You can mix and match digital and analog I/O with mounting and wiring options.
Module Labels and Indicators
The module label identifies the keyswitch position, wiring and module type. A removable label provides space for writing individual designations per your application. Indicators are provided to identify input fault conditions, and to show when power is applied to the module.Technical Specifications
| Attribute | 1794-OE4 | 1794-IE4XT | 1794-OE12 | |
| Number of Inputs | 4 single-ended, nonisolated | 12 single-ended, nonisolated | ||
| Indicators | 1 red/green power/status indicator | |||
| Flexbus current, 5V DC | 15 mA | 80 mA | ||
| Power supply | Specification Voltage : Current: |
24V DC nominal, 10.5…31.2V DC (includes 5% AC ripple) 150 mA @ 24V DC |
24V DC nominal, 10.5…31.2V DC (includes 5% AC ripple) 180 mA @ 24V DC |
24V DC nominal, 10.5…31.2V DC (includes 5% AC ripple) 320 mA @24V DC |
| Certification Voltage : Current: | 24V DC 150 mA |
10.5…31.2V DC 180 mA |
24V DC 320 mA |
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| Onput voltage termina | Specification | 0V output until module is configured ±10V (user configurable) 0…10V (user configurable) |
0V output until module is configured ±10V (user configurable) |
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| Certification | ||||
| Onput current terminal | Specification | 0 mA output until module is configured 4…20 mA (user configurable) 0…20 mA (user configurable) |
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| Certification | ||||
| Onput resolution Voltage: Current: |
12 bits - unipolar 0.156 mV/cnt 0.320 μΑ/cnt |
16 bits 320 μV/cnt 0.641 μA/cnt |
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| Onput conversion type | Pulse with modulation | Digital to analog converter | ||
| Onput conversion rate | 1.024 ms all channels | 8 ms all channels | ||
| Step response to 63% of full scale Voltage Onput: | 24 ms | ~70% 1st convert; 96% 2nd convert; 100% 3rd convert | ||
| Absolute accuracy(1) Voltage : Current : |
0.133% full scale @ 25 °C 0.425% full scale @ 25 °C |
0.1% full scale @ 25 °C 0.1% full scale @ 25 °C |
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| Acuracy drift with temperature(1) Voltage Terminal: Current Terminal: |
0.0045 % full scale/°C 0.0069 % full scale/°C |
0.004 full scale %/°C 0.004 full scale %/°C |
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| Calibration | Factory calibrated | |||
| Load on output voltage | 3 mA max | |||
| Load on output current | 15…750 Ω | 0…750 Ω | ||
| Isolation voltage | 50V (continuous), Basic Insulation Type Basic insulation type between field side and system side Tested @ 850V AC for 60 s No isolation between individual channels |
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| Power dissipation, max | 5.62 W @ 31.2V DC | 7.68 W @ 31.2V DC | ||
| Thermal dissipation | 19.2 BTU/hr @ 31.2V DC | 26.2 BTU/hr @ 31.2V DC | ||
| Recommended terminal base | 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS, 1794-TBN 1794-TBKD, 1794- TB37DS, 1794-TB37EXD4CM8, 1794-TB37EXD4VM8 | 1794-TB3G or 1794-TB3GS | ||
| Terminal base screw torque | 0.8 Nm (7 lb-in.) 1 Nm (9 lb-in.) for 1794-TBN |
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| Wire type | Shielded | |||
| Wire size,power connections | Determined by installed terminal base | |||
| North american temperature code | T4 | T3C | T4A | |
| IEC temperature code | T4 | T3 | - | |
| Enclosure type rating | None (Open-style) | |||
| Dimensions, approx. (HxWxD) | 46 x 94 x 53 mm (1.8 x 3.7 x 2.1 in.) | |||
Our product packaging aims to provide functionality and aesthetic appeal. We understand the importance of creating a positive first impression and ensuring the safe delivery of products to customers. The following are the main features of our packaging:
Durable materials: We use high-quality materials that are sturdy and durable, and will not be damaged during transportation. This ensures that our products reach our customers in good condition.
Safe packaging: Our packaging design focuses on a safe outer shell. We use protective layers and liners to prevent any damage to the product caused by external impact or rough handling.
Clear labels: Our packaging includes clear and detailed labels. They provide necessary detailed information, such as product name, quantity, instructions for use, and any necessary warning labels. This helps customers easily identify and understand the product.
Attractive design: We believe that packaging should have visual appeal. Our design team has created a striking modern packaging design that reflects the essence of our brand. This helps our products stand out on store shelves and leave a positive impression.
Shanghai Zhongcheng Fengyuan Industrial Technology Co., Ltd. is an engineering company with a global network of engineering centers, providing high-performance and cost-effective services to global customers. We have established partnerships with most world-renowned brands and can provide components and equipment for the oil and gas, industrial, chemical, and energy industries.
The company's industrial control brand covers major global manufacturers, including but not limited to: Allen Bradley, Siemens, IFM, Beckhoff, Yaskawa, Pepperl+Fuchs, Sick, etc. The products include PLC/DCS modules, touch screens, drive inverters, industrial power supplies, I/O systems, industrial communication, low-voltage control equipment, low-voltage distribution equipment, medium voltage spare parts, protective relays, etc. We have rich industry experience, professional services, and good protective packaging.
We cooperate with various official express delivery companies to export to various parts of the world, such as South Asia, Europe, North America, South America, the Middle East, and Africa. Reducing customer costs helps to create more benefits for each of our customers
Zhongcheng Fengyuan has won the trust of a large number of customers. Our belief is to help our customer factories achieve digitization, intelligence, automation, and create maximum benefits for our customers. Looking forward to working with you!
1. Question: How about the warranty?
Answer: All products we provide come with a 12 month warranty period
2. Question: What about transportation?
Answer: They are in stock and can be shipped immediately. We can arrange DHL at competitive prices The transportation of FedEx, UPS, TNT, EMS, and of course, customers can also use their own freight forwarders.
3. Question: Why did you purchase from us?
Answer: We have a team of qualified sales personnel who are always ready to meet customer needs with high-quality products.
4. Question: Are prices from other suppliers higher than yours?
Answer: Creating maximum benefits for customers is our belief. If you have a better price, please let us know. We will make every effort to meet your price and provide support for you.
5: What payment method do you accept?
Answer: Telegraphic transfer (bank transfer), Western Union transfer, credit card PayPal, Letter of credit, Alipay, cash, trusteeship, etc.
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