Foxboro ®
761 Controller
Summary:
The 760 and 761 Series SINGLE STATION MICRO® Controllers are self-contained, multipurpose, microprocessor-based controllers. The basic 760 Series is for simple to moderately complex applications. The 761 Series has the capability of the 760 Series plus the functional capacity required for more complex control schemes.
Specifications:
input:
- Proportional Inputs (Any combination of four for 760 Series, or six for 761 Series):
- Current Inputs: 1-5 V dc Direct
- 4-20 mA through 250 ohm Resistor
- 10-50 mA through 100 ohm Resistor Frequency Inputs: Pulse Rates, Voltage Levels and Field Power are Compatible with Foxboro Vortex and Turbine meters with Preamplifiers. Discreet Inputs: 2 Contact or Transistor Switch Inputs (5 V dc nominal open circuit voltage, 1 mA maximum current)
Output
- Analog Outputs: Signal #1: 4-20 mA dc Control; Signal #2: 1-5 V dc Auxiliary for re-transmitting the measurement, set point, or conditioned inputs
- Discreet Outputs: 2 Open Collectors (Transistor Switch Outputs, 50 V dc maximum @ 250 mA dc maximum)
Power
- Supply Voltage: Nominal 24, 100, 120, 220 or 240 V ac, 50/60 Hz or 24 V dc
Mounting
- Housing Flush-Mounted in Panel or 202S Series Shelves (occupies 1 unit of shelf space)
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