أصلي 100%. أكثر من 100,000 قطعة متوفرة. جاهزة للشحن.

  • ar

Yokogawa AIP826-2 S2 Analog Input Modules

The Yokogawa AIP826-2 S2, also cataloged as the AIP826-2 Analog Input Module, operates as a dedicated hardware component for multi-channel field signal acquisition within CENTUM VP and ProSafe-RS control platforms. The unit accepts up to 16 current input channels (4-20 mA DC) from field transmitters to process continuous variable data across system backplane buses. Featuring 1500 VAC channel-to-system isolation, configurable UP/DOWN burnout detection, and dual-redundant deployment capabilities, the module executes analog measurement tasks for critical loop monitoring.

Hardware Specifications

Parameter Specification
Model AIP826-2 S2
Brand Yokogawa
Origin Japan
Weight 0.45 kg
Dimensions Integrated chassis-mount modular housing footprint
Operating Temp -20 to 60 deg C
Power Consumption 400 mA (5 VDC), ~200 mA (24 VDC)
Signal Channels 16 channels (current input)
Input Range 4-20 mA DC
Input Resistance 250 ohm
Measurement Accuracy +/-0.1% of full scale
Resolution 12 to 16 bits (configuration dependent)
Response Time <= 100 ms
Dielectric Isolation 1500 VAC between input terminals and system logic for 1 minute

4-20 mA HART Loop Protocol and Channel Isolation

Yokogawa process control architectures mandate galvanic isolation barriers to prevent field ground loops from degrading analog measurement accuracy. The AIP826-2 S2 module maintains 1500 VAC withstand dielectric isolation between incoming field sensor loops and internal backplane processing logic. When integrated into cabinets processing standard 4-20 mA current loops, this isolation barrier suppresses common-mode electrical noise and maintains a baseline measurement accuracy within +/-0.1% of full scale across all 16 input channels.

Frequently Asked Questions

Q: What mechanisms protect signal loops during sensor failure on the AIP826-2 S2 module? A: The module includes configurable UP/DOWN burnout detection routines that force channel values to predetermined safety limits if field transmitter wires break or fail.

Q: What external connection options exist for interfacing field signal wiring to the module? A: Field wiring connects via pressure clamp terminals, MIL connectors, or dedicated signal cable adapters based on cabinet density requirements.

Q: Can operators replace the AIP826-2 S2 module without interrupting active controller processes? A: Yes, when deployed in a dual-redundant module configuration, operators can replace an individual unit online while the secondary module maintains continuous input monitoring.

Field Installation Guidelines

  1. Verify that style code S2 matches the destination rack backplane slot and software configuration before inserting hardware.
  2. Slide the module straight along rack guide rails to prevent physical pin damage on the rear backplane interface.
  3. Terminate 4-20 mA input wiring securely using pressure clamp terminals or approved MIL cable adapters.
  4. Route low-voltage analog signal cables through dedicated wire troughs separate from AC power conductors to minimize electro-magnetic coupling.
  5. Connect cable shielding drain wires directly to the system grounding bar using short, low-impedance grounding straps.

ماذا يقول عملاؤنا عنا؟

Translation missing: ar.general.search.loading