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UM1L-110C-1AA-2SA-2

The Yokogawa UM1L-110C-1AA-2SA-2 is a Signal Conditioner / Isolator from the UTAdvanced series. It is designed for DIN rail mounting inside control panels and serves a critical role in industrial process control loops by providing signal isolation, conversion, and alarm functionality.

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Parameter Category Specification for UM1L-110C-1AA-2SA-2
Model Number UM1L-110C-1AA-2SA-2
Product Type Single-channel Isolator with Alarm Relays
Form Factor Single-width module for 35mm DIN rail mounting.
Input Signal • Type: Analog DC Current
• Range: 4 to 20 mA DC (Default factory range; often field-configurable to other ranges like 0-20mA)
Output Signal • Analog Output: DC Current (Isolated, e.g., 4-20mA output)
• Digital Output: Two Independent SPDT Relay Outputs (Alarm/Control)
Alarm Relays • Quantity: 2 (Two)
• Type: SPDT (Single Pole Double Throw) relay contacts
• Rating: 250V AC, 2A (resistive load)
Isolation • Type: 3-way Isolation (Tri-port) between Input, Output, and Power Supply circuits.
• Isolation Voltage: 1500 V AC for 1 minute.
Power Supply • Voltage Range: 24 V DC (standard, e.g., 20-55 V DC range)
• Power Consumption: Approx. 1.8 W (typical)
Accuracy Typically ±0.1% of span (high accuracy for precise signal conditioning).
Response Time Typically < 150 ms.
Ambient Temperature • Operating: -20 to +70 °C
• Storage: -40 to +80 °C
Status Indication LEDs for power, input status, and alarm status.
Connections Removable screw terminal block for easy wiring.
Certifications CE (EMC Directive & Low Voltage Directive), cULus listed (likely).
Key Features • Scaling function for input/output signals.
• High/low alarm setpoints for each relay.
• PV (Process Variable) value and alarm status indication.