| Task: | Program |
|---|---|
| Structure: | Closed-Loop |
| Signal: | Continuous |
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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-IE8 | 1794-IE8XT | 1794-IE12 | |
| Number of Inputs | 8 single-ended, nonisolated | 12 single-ended, nonisolated | ||
| Indicators | 1 red/green power/status indicator | |||
| Flexbus current, 5V DC | 15 mA | 10 mA | 80 mA | |
| Power supply | Specification Voltage : Current: |
24V DC nominal, 10.5…31.2V DC (includes 5% AC ripple) 60 mA @ 24V DC |
24V DC nominal, 10.5…31.2V DC (includes 5% AC ripple) 30 mA @24V DC |
|
| Certification Voltage : Current: | 24V DC 60 mA |
10.5…31.2V DC 60 mA |
24V DC 60mA |
|
| Input voltage termina | Specification | ±10V (user configurable) 0…10V (user configurable) |
±10V (user configurable) | |
| Certification | ||||
| Input current terminal | Specification | 4…20 mA (user configurable) 0…20 mA (user configurable) |
||
| Certification | ||||
| Input resolution Voltage: Current: |
12 bits - unipolar 11 bits plus sign - bipolar 2.56 mV/cnt - unipolar 5.13 mV/cnt - bipolar 5.13 μA/cnt |
16 bits 320 μV/cnt 0.641 μA/cnt |
||
| Data format | Left justified 16-bit | |||
| Input conversion type | Successive approximation | |||
| Input conversion rate | 256 μs all channels | 8 ms all channels | ||
| Input impedence, nom Voltage terminal: Current terminal: |
100 kΩ 238 Ω |
> 1 M Ω < 100 Ω (2) |
||
| Normal mode rejection ratio | Voltage terminal: -3 dB @ 17 Hz; -20 dB/decade -10 dB @ 50 Hz -11.4 dB @ 60 Hz Current terminal: -3 dB @ 9 Hz; -20 dB/decade -15.3 dB @ 50 Hz -16.8 dB @ 60 Hz |
Voltage/current terminal: -3 dB @ 0.05 Hz; -20 dB/decade -52 dB @ 50 Hz -54 dB @ 60 Hz Voltage/current terminal with Quick Step: -3 dB @ 1.5 Hz; -20 dB/decade -29 dB @ 50 Hz -31 dB @ 60 Hz |
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| Step response to 63% of full scale Voltage input: Current input: |
9.4 ms 18.2 ms |
1.3 s (0.09 s with Quick Step - current or voltage input) | ||
| Absolute accuracy(1) Voltage input: Current input: |
0.20% full scale @ 25 °C 0.20% full scale @ 25 °C |
0.1% full scale @ 25 °C 0.1% full scale @ 25 °C |
||
| Acuracy drift with temperature(1) Voltage input: Current input: |
0.00224 full scale %/°C 0.00329 full scale %/°C |
0.004 full scale %/°C 0.004 full scale %/°C |
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| Calibration | Factory calibrated | |||
| Maximum voltage overload | 30V continuous, one channel at a time | |||
| Maximum current overload | 32 mA continuous, one channel at a time | |||
| Isolation voltage | 50V (continuous), Basic insulation type between field side and system side Tested @ 1000V AC for 60s No isolation between individual channels | 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 | ||
| Power dissipation, max | 3.0W @ 31.2V DC | 1.2 W @ 31.2V DC | ||
| Thermal dissipation | 10.2 BTU/hr @ 31.2V DC | 4.1 BTU/hr @ 31.2V DC | ||
| Recommended terminal base | 1794-TB2, 1794-TB3,1794 -TB3S, 1794-TB3T, 1794-TB3TS, 1794-TBKD, 1794- TB37DS | 1794-TB3G or 1794-TB3GS | ||
| Terminal base screw torque | 0.8 Nm (7 lb-in.) 1 Nm (9 lb-in.) for 1794-TBN | |||
| Wire type | Shielded | |||
| Wire size | Determined by installed terminal base | |||
| North american temperature code | T5 | T4A | ||
| IEC temperature code | T5 | T4 | ||
| 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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