Product Specifications

Part Number	8C-PDISA1 51454471-276
Input Channels	32
Scan Rate	Normal:20ms, Fast:5ms
SOE Resolution	1ms
Nominal Voltage	24VDC
Operating Voltage Range	18–30VDC
Module Current	95mA
Isolation	1000VAC RMS / ±1000VDC, optical isolation
ON Threshold	≥13VDC or ≥3mA
OFF Threshold	≤5VDC or ≤1.2mA
Input Impedance	4.2kΩ
Transmission Delay	5ms±20%
On-state Field Resistance	≤300Ω @15VDC
Off-state Field Resistance	≥30kΩ @30VDC

The Honeywell 8C-PDISA1 51454471-276 Digital Input SOE Module is engineered for precise monitoring of 24 VDC discrete signals with advanced time-tagging capability. Designed for high reliability and flexible operation, it ensures accurate event recording down to 1 ms resolution, making it suitable for demanding process environments.

Frequently asked questions：

Q: Can the 8C-PDISA1 be used in redundant configurations?
A: Yes, redundancy is supported with the 8C-PDISA1 IOTA option.

Q: What is the8C-PDISA1 minimum resolution for event recording?
A: The 8C-PDISA1 module supports 1 ms resolution for SOE logging.

Q: Does the 8C-PDISA1 module provide galvanic isolation?
A: Yes, optical isolation ensures signal integrity and protection.

Q: What is the nominal operating voltage of the 8C-PDISA1 module?
A: The 8C-PDISA1 module operates with a nominal voltage of 24VDC and supports an operating voltage range of 18–30VDC.

Q: Does the 8C-PDISA1 support stable low-voltage operation?
A: Yes. With an operating voltage range of 18–30VDC, the module ensures stable performance in standard 24VDC industrial control systems.

Product Applications

Petrochemical and oil refineries
Thermal and nuclear power plants
Metallurgical and steel plants
Large-scale fertilizer and fine chemical plants

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We provide a 12-month warranty and worldwide stock availability to guarantee smooth integration and prompt delivery for your daily operations.

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