Products Introduce
1769-IF16C is a 16-channel high-density analog current input module of the CompactLogix series. It supports seamless integration with CompactLogix controllers and MicroLogix 1500 controllers. It has 1500V AC isolation between the field side and the backplane bus and prevents ground loop interference. Use Studio 5000 software to configure the range, filter parameters and engineering units on a channel-by-channel basis.
Parameter
| Parameter | 1769-IF16C | 1769-IF16V | 1769-IF8 | 1769-IF4 | 1769-IF4I |
|---|---|---|---|---|---|
| Channel Count & Type | 16 single-ended (current) | 16 single-ended (voltage) | 8 differential/single-ended | 4 differential/single-ended | 4 isolated differential |
| Input Signal | 0-20mA, 4-20mA | ±10V, 0-10V, 0-5V, 1-5V | 0-20mA/4-20mA; ±10V/0-10V/0-5V/1-5V | 0-20mA/4-20mA; ±10V/0-10V/0-5V/1-5V | 0-20mA/4-20mA; ±10V |
| Resolution | 16-bit (unipolar); 15-bit+sign (bipolar) | 16-bit (unipolar); 15-bit+sign (bipolar) | 16-bit (unipolar); 15-bit+sign (bipolar) | 16-bit (unipolar); 15-bit+sign (bipolar) | 16-bit (unipolar); 15-bit+sign (bipolar) |
| Accuracy (25°C) | ±0.5% FS (16/50/60Hz filters) | ±0.5% FS (16/50/60Hz filters) | ±0.35% FS | ±0.35% FS | ±0.35% FS |
| Update Rate | ~8ms/channel; 128ms (all channels) | ~8ms/channel; 128ms (all channels) | ~8ms/channel | ~8ms/channel | ~8ms/channel |
| Isolation | Group-to-bus: 500V AC/710V DC (1min); 30V AC/DC working | Same as IF16C | Same as IF16C | Same as IF16C | Channel-to-channel isolated; group-to-bus: 1500V AC |
| Filter | 16/50/60Hz selectable | 16/50/60Hz selectable | 16/50/60Hz selectable | 16/50/60Hz selectable | 16/50/60Hz selectable |
| Power Draw (5.1V/24V) | 190mA / 70mA | 190mA / 70mA | 120mA / 70mA | 120mA / 70mA | 145mA / 125mA |
| Max Heat Dissipation | 4.0W | 4.0W | 3.64W | 3.0W | 3.0W |
| Key Features | High-density current input; HART transparent | High-density voltage input | Balanced 8-channel; cost-effective | 4-channel flexible wiring | 4-channel isolated; anti-interference |
| Typical Application | High-point current signal acquisition | High-point voltage signal acquisition | General process control | Small-scale mixed-signal projects | High-noise industrial sites |
FAQ:
1.Is 1769-IF16C directly compatible with Micro800 series PLC? Do you need additional configuration modules?
The 1769-IF16C is not directly compatible with Micro800 series PLCs (different architecture/protocol).
Required configuration: An additional communication adapter is required, such as 1769-ADN (DeviceNet) or 1769-AENTR (EtherNet/IP), and communication parameters and I/O mapping are configured in Micro800.
Better alternative: directly use Micro800 native modules (2080-IF2/IF4, 2085-IF8), no adapter required, lower cost.
2.What are the prerequisites for 1769-IF16C to support HART protocol? Do I need to use a specific model of transmitter?
1769-IF16C only supports HART transparent transmission, which requires the following prerequisites and a specific type of transmitter:
- Channel is set to 4-20mA mode, field side Class 2 power supply (12-30VDC);
- With CompactLogix controller + Studio 5000 configuration, HART master device (handheld terminal/modem) + shielded twisted pair cable is required;
- The module firmware is a supported version.
Transmitter requirements: A 4-20mA smart transmitter (no specific brand) that complies with the HART Foundation standard, is properly wired and powered, and is assigned a unique address (0-15).
3.What are the common causes of full-scale drift in the 1769-IF16C?
- Environmental factors: temperature exceeding the range of 0-60℃, humidity exceeding the standard, strong electromagnetic interference (unshielded wire/poor grounding);
- Abnormal power supply: 5V/24V power supply voltage is unstable, ripple is too large, or the power supply load is too heavy;
- Wiring/field problems: loose wiring, poor contact, transmitter failure (aging/insufficient power supply), signal loop short circuit/overload;
- The module itself: the firmware version is too old, the internal components are aging, and the channel is damaged due to overload (exceeding the 28mA protection threshold);
- Configuration/calibration: Failure to perform regular automatic calibration, manual calibration parameter errors, improper filter parameter settings, and range configuration mismatch;
- Ground loop interference: The grounding between the field side and the control cabinet is not standardized, resulting in a potential difference.
Reviews
There are no reviews yet.