The Yokogawa AAP135 is an advanced pulse input module designed for industrial applications, capable of receiving various types of signals and providing isolation between channels and from the system. It supports dual-redundant configurations for enhanced reliability.

Specifications:

• Model: AAP135
• Number of Input Channels: 8 isolated channels

Input Signal Types:

• 2-wire type: Contact ON/OFF, voltage pulse, current pulse (can supply transmitter power)
• 3-wire type: Power-supply-type voltage pulse

Input Frequency: 0 to 10 kHz

Isolation:

• Between input and system: 500 V AC, for 1 minute
• Between channels: 500 V AC, for 1 minute

Minimum Input Pulse Width: 40 µs

Input Signal Levels:

• Contact Input:
  • Open: ≥ 100 kΩ
  • Close: ≤ 200 Ω
• Contact Capacity:
  • 12 V DC supply: 15 V DC, 15 mA or higher
  • 24 V DC supply: 30 V DC, 30 mA or higher
• Voltage/Current Pulse Input:
  • VH (high level): 3 to 24 V DC
  • VL (low level): -1 to 8 V DC
  • VH-VL (swing value): ≥ 3 V
  • Signal source resistance: ≤ 1 kΩ
• Shunt Resistance: Selectable (none/200/500/1000 Ω)

Other Features:

• Pull-up Resistance: 68 kΩ (12 V DC or 24 V DC)
• Filter: Optional filter for chattering elimination
• Data Update Period: 2 ms

Transmitter Power Supply:

• Selectable between 24 V DC and 12 V DC
• Limiter values: ±10%, 12 V DC: 40 mA, 24 V DC: 30 mA

Maximum Current Consumption: 300 mA (5 V DC), 400 mA (24 V DC)

Weight: 0.3 kg

External Connections: Pressure clamp terminal, KS cable, MIL connector cable

Suffix Codes:

• -S: Standard type
• -5: No explosion protection
• -E: Explosion protection
• -0: Basic type
• -3: Includes ISA Standard G3 option and temperature range of -20 to 70 °C

Option Codes:

• /13A00: KS Cable Interface Adapter [Model: ATI3A-00]
• /K4A00: KS Cable Interface Adapter [Model: ATK4A-00]
• /13S00: Pressure Clamp Terminal Block for Pulse [Model: ATI3S-00]
• /13S10: Pressure Clamp Terminal Block for Pulse with surge absorber [Model: ATI3S-10]
• /13D00: Dual Pressure Clamp Terminal Block for Pulse [Model: ATI3D-00]
• /13D10: Dual Pressure Clamp Terminal Block for Pulse with surge absorber [Model: ATI3D-10]