AIP827-1 Yokogawa CENTUM Series Datasheet & Technical Manual

Analog Input Processor Module Yokogawa AIP827-1 CENTUM Series

Analog Input Processor Module Yokogawa AIP827-1 CENTUM Series

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YOKOGAWA AIP827-1 Analog Input Processor Module Configured for multi-channel signal acquisition in CENTUM DCS platforms, the YOKOGAWA AIP827-1 (AIP827-1 Analog...

SKU: AIP827-1

Manufacturer: Yokogawa
Product No.: AIP827-1
Product Type: Analog Output Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA AIP827-1 Analog Input Processor Module

Configured for multi-channel signal acquisition in CENTUM DCS platforms, the YOKOGAWA AIP827-1 (AIP827-1 Analog Input Processor) provides direct physical/electrical execution.

Hardware Specifications

Parameter	Specification
Model	AIP827-1
Brand	Yokogawa
Origin	Japan
Weight	0.3 kg
Dimensions	Standard industrial module format
Operating Temp	-20 deg C to +70 deg C
Power Consumption	~310 mA (5 VDC), ~500 mA (24 VDC)
Channel Count	16 analog inputs
Input Signal	4-20 mA DC
Accuracy	+/- 16 uA

4-20 mA HART Loop and Signal Connectivity

The AIP827-1 integrates process signals into the control environment by supporting 4-20 mA HART loop protocol standards. The module employs a high-speed sampling architecture with a 10 ms data update period to ensure real-time process visibility. Because the input architecture is non-isolated, effective system grounding is necessary to maintain signal integrity and prevent common-mode noise propagation from field transmitters. Integrated diagnostic circuits perform continuous monitoring, detecting open-circuit conditions where loop current falls below 0.65 mA, and providing status feedback for predictive maintenance.

Frequently Asked Questions

Q: Does the AIP827-1 support redundant configurations?

A: Yes. The module is designed to support dual-redundant deployment. In this setup, two modules operate in parallel, and the system performs a bumpless switchover to the standby unit if the primary module detects a critical channel error or processor fault.

Q: How should the input be terminated to prevent measurement errors?

A: Ensure that the loop impedance does not induce voltage drops exceeding the operating range. The input resistance is 250 Ohm when powered. When the module is powered off, the input resistance rises to 500 kOhm; ensure that field devices are disconnected or properly isolated if performing offline maintenance on the cabinet bus.

Field Installation Guidelines

Grounding: As the AIP827-1 is a non-isolated module, connect the cabinet signal common to a low-impedance, high-integrity earth ground. Use shielded twisted-pair cabling for all field transmitters to minimize electromagnetic induction.
Wiring: Secure input lines using the specified pressure clamp terminals or transition cables. Ensure all wire strands are fully seated and free of oxidation to prevent fluctuating resistance readings.
Seating: Verify that the module is fully latched into the rack backplane. Ensure that the module status LED indicates nominal operation post-installation. If diagnostic errors occur, confirm that all 16 channel inputs are correctly terminated and within the specified 30 mA maximum limit.

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