Bachmann DIO248 Digital Input/Output Module

Overview:

• The Bachmann DIO248 Digital Input/Output Module is a versatile device for controlling digital devices and reading signals from digital sensors.
• It includes a combination of inputs, outputs, interrupts, and counters, making it suitable for various industrial automation applications.

Technical Specifications:

Inputs:

• Quantity: 16 to 32
• Input Voltage Range (H): 15 to 34 VDC
• Input Voltage Range (L): 0 to 5 VDC
• Input Delay (Normally): Standard: 600 µs; Settable: 10 µs to 270 ms
• Internal Resistance: 8 kΩ
• Status Indication (LED): Green
• Interrupt Inputs: 8, configurable as counter or interrupt inputs

Counter:

• Quantity: Up to 4
• Resolution: 32 Bit
• Operating Mode: Event counter, incremental encoder, gate measurement, cycle time, or frequency measurement
• Encoder Types: Incremental encoder with A and B channel, and one-channel pulse encoder
• Input Signal: A, B, Initator (interrupt inputs configurable)
• Signal Evaluation: 1 / 2 / 4-fold edge evaluation or pulse direction mode
• Max. Input Frequency:
  • One-channel: 50 kHz
  • Dual-channel (A/B): 20 kHz

Outputs:

• Quantity: 16 to 32
• Output Voltage Range: 18 to 34 VDC
• Output Current per Channel (Max.): 0.5 A
• Total Current (Max.): 16 A
• Status Indication (LED): Green
• Switching Frequency (Max., Ohmic Load): 1 kHz
• Inductive Breaking Capacity: 1.15 H

PWM:

• Quantity: Like outputs
• Pulse Duty Ratio / Resolution: 0 to 100 % / 13 Bit
• Frequency: 1 Hz to 1 kHz
• Holding Time (Valve Mode): 0 to 2 s configurable
• Start/Stop: By dedicated output

Internal Power Supply:

• Galvanic Isolation from System: 500 V
• Internal Power Supply: BS2xx
• Internal Current Consumption (at 5 V): 180 mA

External Power Supply:

• Reverse Polarity Protection: Yes
• Energetic Recovery: Sensor energetic recovery of DIO by switched-off supply
• Input Voltage: Nominal 24 VDC

Approvals/Certificates:

• General: CE, cULus, CCC
• Marine: DNV GL, LR, ABS, BV

Ambient Conditions:

• Operating Temperature: -30 to +60 °C
• Working Temperature: -40 to +60 °C
• Relative Humidity (Operation): 5 to 95 % without condensation
• Storage Temperature: -40 to +60 °C
• Relative Humidity (Storage): 5 to 95 % with condensation
• Pollution Degree: 2 (without condensation; according to IEC 60664-1)