WAGO 750-556 2-Channel Analog Output Module

Technical Overview

2-channel analog output module generating ±10 VDC signals with 12-bit resolution for precise industrial control. DIN-rail mountable.

Key Features

2-channel analog output.
Output signal range: ±10 VDC.
12-bit resolution for precise control.
Outputs are short-circuit protected.
Electrically isolated output signal.
Powered via internal system voltage (5 VDC).
CAGE CLAMP® connections for easy wiring.
DIN-35 rail mounting.
Light gray housing made of Polycarbonate (PC) / Polyamide (PA) 6.6.
LED indicators for function status (AO 1, AO 2).
IP20 degree of protection.
Ambient operating temperature: 0 °C to +55 °C.

Technical Specification Matrix

Parameter	Value
Number of Analog Outputs	2
Signal Type (Voltage)	±10 VDC
Resolution	12 bits
Load Impedance (Voltage Output)	≥ 5 kΩ
Conversion Time (typ.)	2 ms
Output Error (Reference Temperature 25 °C)	0.1 % of upper-range value
Temperature Error (max.)	0.01 %/K of output range value
Recovery Time (typ.)	0.3 ms
Linearity	±10 mV
Supply Voltage (System)	5 VDC (via data contacts)
Current Consumption (5 V System Supply)	65 mA
Isolation	500 V (system/field)
Connection Technology (Inputs/Outputs)	8 x CAGE CLAMP®
Solid Conductor (min/max)	0.08 … 2.5 mm² / 28 … 14 AWG
Fine-stranded Conductor (min/max)	0.08 … 2.5 mm² / 28 … 14 AWG
Strip Length	8 … 9 mm / 0.31 … 0.35 inches
Ambient Temperature (Operation)	0 … +55 °C
Ambient Temperature (Storage)	-40 … +85 °C
Humidity	95% relative humidity (non-condensing)
Mechanical Resistance (Vibration)	According to EN 60068-2-6 -- 4g
Mechanical Resistance (Shock)	According to EN 60068-2-27 -- 15g
Housing Material	Polycarbonate (PC); Polyamide (PA) 6.6
Conformity Marking	CE
Degree of Protection	IP20
Physical Weight (kg)	0.05
Dimensions L x W x H (cm)	6.98 x 1.2 x 10

Industrial Applications

1. Proportional Valve and Actuator Control

The WAGO 750-556 can precisely control proportional valves and actuators requiring a ±10 VDC input signal. Its 12-bit resolution and fast conversion time (2 ms) ensure accurate and responsive modulation of flow, pressure, or position in various industrial processes.

Problem Solved

Provides accurate and responsive analog voltage control for proportional devices, crucial for applications needing fine-tuned regulation.

Proportional ControlValve ActuationAnalog Output12-bit Resolution±10 VDCFast Response Time

2. Motor Speed and Frequency Converter Setpoint Generation

This module is ideal for generating precise voltage setpoints for variable frequency drives (VFDs) or DC motor speed controllers. The ±10 VDC output allows for both positive and negative speed commands or bidirectional control, and the module's electrical isolation protects the control system from field disturbances.

Problem Solved

Enables accurate and isolated analog speed control signals for motors and drives, enhancing system stability and preventing electrical interference.

Motor ControlVFD SetpointFrequency ConverterAnalog VoltageElectrical IsolationIndustrial Automation

3. HVAC System Damper and Valve Regulation

In building automation and HVAC systems, the 750-556 can provide analog control signals to modulate dampers, mixing valves, or heating/cooling coils. The ±10 VDC signal can drive actuators for precise temperature, humidity, or airflow regulation, leveraging its compact design for installation within control cabinets.

Problem Solved

Offers precise and reliable analog control for HVAC components, facilitating optimal environmental conditions and energy efficiency in commercial and industrial buildings.

HVAC ControlBuilding AutomationDamper ActuationValve RegulationAnalog OutputIndustrial IoT