ABB IMFCS01 Frequency Counter Slave Module

Overview

The ABB IMFCS01 is a Frequency Counter Slave Module designed for integration with the Bailey Infi 90 distributed control system (DCS). It plays a crucial role in turbine speed control by providing precise frequency input data. This module ensures accurate performance and is well-suited for industrial applications requiring high precision and reliability.

Technical Specifications

Input Specifications

• Input Type: Single-channel frequency input

• Input Voltage Range: 300 mVp-p to 120 Vrms (150 mVp to 170 Vp)

• Input Frequency Response: 1 Hz to 12.5 kHz

Accuracy

• ±0.25 Hz for 1 Hz to 5 kHz

• ±0.50 Hz for 5 kHz to 10 kHz

• ±0.63 Hz for 10 kHz to 12.5 kHz

Resolution and Microprocessor

• Resolution: 24 bits

• Microprocessor: MC68701 with 2 KB EPROM and 128 bytes RAM

• Internal Timer: 16-bit

System Communication

• Communication Type: 8-bit parallel communication

Time Base Frequency

• Frequency: 1 MHz

• Accuracy: 0.005%

Power Requirements

• +5 VDC at 241 mA

• +15 VDC at 6.88 mA

• -15 VDC at 5.39 mA

• Power Consumption:

• 1.2 watts at +5 VDC

• 185 milliwatts at ±15 VDC

Environmental Specifications

• Operating Temperature: 0°C to 60°C (32°F to 140°F)

• Humidity: Suitable for industrial environments

Physical Specifications

• Dimensions: 7.0 in x 2.0 in x 1.0 in (17.8 cm x 5.1 cm x 2.5 cm)

• Weight: 0.3 kg (0 lbs 11.0 oz)