The Yokogawa ADM11C is a Contact Input Module designed for distributed control systems, supporting 16 input points with ON/OFF detection, push‑button input capability, and edge counting functions. It provides reliable signal acquisition with per‑point insulation and secure installation using KS2 or KS3 cables.
Hardware Specifications
Model: ADM11C
Brand: Yokogawa
Product Type: Contact Input Module
No. of I/O Points: 16 points
Input Signal:
Contact input: OFF ≥100 kΩ, ON ≤200 Ω
Voltage input: OFF 4.5–25 V DC, ON ±1 V DC, ≤200 Ω
Contact Rating: 5 V DC, ≥20 mA (external contact standard)
Pulse Width: ≥40 ms
Pulse Period: ≤10 Hz
Current Consumption: ≤600 mA (5.0 V DC)
Functions:
Status input
Push‑button input
ON/OFF detection
Edge counting for push‑buttons
Signal Insulation: Each point individually insulated
Mounting Method: Installed in the I/O module nest
Signal Connection: KS2 or KS3 cable
Key Features
16 input points for compact signal acquisition.
Per‑point insulation ensures high reliability and isolation.
Push‑button edge detection for precise monitoring.
Pulse handling with minimum 40 ms width and ≤10 Hz period.
KS2/KS3 cable connection for secure wiring.
Frequently Asked Questions (FAQ)
Q: How many signals can the ADM11C handle? A: It supports 16 contact input points.
Q: Can the module detect push‑button edges? A: Yes, it includes a function to count push‑button edges.
Q: What type of insulation does the ADM11C provide? A: Each input point is individually insulated for maximum reliability.
Field Installation Guidelines
Install the ADM11C securely into the I/O module nest.
Connect signals using KS2 or KS3 cables with proper torque.
Maintain shield grounding at a single point to prevent ground loops.
Separate signal wiring from high‑voltage cabling to minimize interference.
Configure input signal ranges via system software before commissioning.
