The Yokogawa SAI143-H63 represents a critical safety-rated I/O component designed for demanding industrial monitoring applications. Primarily, this module provides 16 isolated input channels for processing standard 4 to 20 mA transmitter signals. For instance, engineers utilize this analog unit to monitor pressure, temperature, and flow sensors within safety instrumented functions. Furthermore, the hardware features a rapid data update frequency of 40 ms to ensure real-time response. Additionally, the unit includes an integrated transmitter power supply with a convenient global ON/OFF function for 2-wire setups. Therefore, this high-precision hardware offers a robust solution for maintaining safety integrity levels in hazardous environments. Finally, the device supports Plant Resource Manager (PRM) for advanced device heart-beat monitoring.
The SAI143-H63 utilizes advanced conversion circuitry to maintain a rated accuracy of ±16 µA across the input range. Specifically, the input impedance during power-on remains stable at 250 Ω plus the internal protection circuit voltage drop. Meanwhile, the module supports both 2-wire and 4-wire transmitter settings, which users can adjust via physical setting pins. Moreover, the hardware provides a high withstanding voltage of 1.5 kV AC between the input signal and the system. Specifically, the permissible input range extends from 0 to 25 mA to accommodate over-range conditions without signal loss. Furthermore, the unit manages power efficiently with a maximum 24V system consumption of 550 mA. Consequently, this ProSafe-RS component is a versatile choice for complex analog signal integration.
The physical construction of this 16-channel module prioritizes reliability and ease of installation in high-density control cabinets. For instance, the SAI143-H63 weighs approximately 0.39 kg when equipped with a signal cable interface adapter. Additionally, the hardware is designed to withstand significant temperature drifts of only ±16 µA per 10 °C. Specifically, the external connection options include pressure clamp terminals, MIL cables, or dedicated Yokogawa signal cables. Meanwhile, the module isolation ensures that electrical noise on one channel does not interfere with the remaining inputs. Furthermore, the unit is built to resist industrial vibrations and maintains its accuracy in varying humidity conditions. Therefore, the hardware ensures consistent performance throughout the entire lifecycle of the safety system.
Installing the SAI143-H63 requires careful attention to the wiring configuration and the physical setting pins for signal types. First, disconnect the power to the I/O rack before sliding the unit into its designated safety slot. Specifically, check that the setting pins are correctly positioned for either 2-wire or 4-wire operation for each channel. Next, connect the field transmitter wiring to the pressure clamp terminal block or the specified MIL cable interface. Furthermore, ensure that the transmitter power supply function is enabled if the loop requires external power from the module. Specifically, verify that the total current draw per channel does not exceed the limit of 25 mA. Finally, perform a loop test to confirm that the controller correctly recognizes the 4-20 mA signal.
1 x Yokogawa SAI143-H63 Analog Input Module
1 x Signal Cable Interface Adapter
Protective Anti-static Packaging
Shipping Method: Fedex, UPS, DHL
1. What is the standard input range for the SAI143-H63? The module is designed for a rated input range of 4 to 20 mA, with a permissible range up to 25 mA.
2. Can I use this module for both 2-wire and 4-wire transmitters? Yes, the unit supports individual channel settings for 2/4-wire configurations via internal setting pins.
3. How often does the SAI143-H63 update its input data? This safety hardware features a high-speed data update frequency of 40 ms for all 16 analog channels.
4. Does the module provide power to the field transmitters? Yes, the hardware includes a transmitter power supply function available for 2-wire settings across all channels.
5. What is the rated accuracy of the SAI143-H63 model? The module provides a high precision accuracy of ±16 µA within the operating range of 0.05 to 23 mA.
| Brand Name | Yokogawa Electric |
| Model No. | SAI143-H63 |
| Product Type | Analog Input Module |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
