Name: PM891 ABB new and original
Price: 43433 CNY
Availability: InStock

Description

Basic Parameters of PM891 (ABB)

1. Product Overview

The PM891 is a high-performance programmable logic controller (PLC) module developed by ABB, designed for medium to large-scale industrial automation applications. It integrates advanced processing capabilities, flexible I/O expansion support, and reliable communication functions, suitable for control scenarios in industries such as power, manufacturing, and process engineering.

2. Electrical Parameters

2.1 Power Supply

Input Voltage Range: 24 V DC (nominal); 19.2 V DC – 28.8 V DC (allowable fluctuation)

Power Consumption:

Standby mode: ≤ 5 W

Normal operating mode (full load): ≤ 15 W

Power Supply Protection: Overvoltage protection (30 V DC max), reverse polarity protection (≤ -30 V DC)

Grounding Requirement: Protective earth (PE) resistance ≤ 1 Ω; functional earth (FE) isolated from PE

2.2 I/O Interface (Standard Configuration)

Digital Inputs: 8 channels (sinking/sourcing selectable)

Input Voltage: 24 V DC (ON: 11 V DC – 30 V DC; OFF: 0 V DC – 5 V DC)

Input Current: ≤ 10 mA per channel

Response Time: ≤ 1 ms (for signal edge detection)

Digital Outputs: 4 channels (relay output)

Rated Voltage: 250 V AC / 30 V DC

Rated Current: 2 A per channel (resistive load)

Max Switching Frequency: 1 Hz (for inductive load)

Analog Inputs (Optional): 2 channels (differential input)

Input Type: 0 – 10 V DC / 4 – 20 mA DC (selectable)

Resolution: 12 bits (±0.1% full scale)

Input Impedance: ≥ 100 kΩ (for voltage input); ≤ 250 Ω (for current input)

Analog Outputs (Optional): 1 channel

Output Type: 4 – 20 mA DC

Resolution: 12 bits (±0.2% full scale)

Load Resistance: 250 Ω – 750 Ω

3. Environmental Parameters

3.1 Operating Conditions

Ambient Temperature: -20 °C – +60 °C (-4 °F – +140 °F)

Relative Humidity: 5% – 95% (non-condensing; no moisture buildup on surfaces)

Altitude: ≤ 2000 m above sea level (derate 1% per 100 m above 1000 m for temperature)

Vibration Resistance:

Frequency range: 10 Hz – 500 Hz

Acceleration: ≤ 0.5 g (peak) for 10 Hz – 50 Hz; ≤ 0.3 g (peak) for 50 Hz – 500 Hz

Shock Resistance: ≤ 10 g (peak acceleration, 11 ms half-sine wave)

3.2 Storage Conditions

Temperature: -40 °C – +85 °C (-40 °F – +185 °F)

Relative Humidity: 5% – 95% (non-condensing)

Atmosphere: No corrosive gases (e.g., sulfur dioxide, chlorine), dust concentration ≤ 10 mg/m³

PM891 pdf

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