AO-8
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36 Topic(s)
Specifications
Concept
These Central IO modules are analog output, 8-channel I/O modules. You can use the analog outputs to control a wide range of devices, such as valves and actuators, using a 0-10 VDC or 0-20 mA control signal.
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Output modules support a number of electrical types, such as digital, tristate, and digital/tristate pulsed outputs, or analog outputs. The available output modules include the following:
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The override switches on Central IO modules with manufacturing date earlier than 2021-W26 must be disabled to remove the risk of an improper output. To disable the override switches, update the Central IO module firmware to version 2.017 or later.
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By adding a variety of Central IO and power supply modules, you can use the AS-P server to tailor the Intelligent Building Management System to your unique requirements.
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Each device can detect its order in the chain of connected devices and assigns itself an address accordingly. This auto-addressing feature is provided by the terminal base backplane.
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The I/O bus imposes restrictions on the number of devices that can be connected to the bus and what type of devices that are allowed on certain positions.
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The I/O bus is a common bus that delivers power, address information, and communication to all devices connected to the bus. The I/O bus is provided to the devices through the backplane in the terminal bases. The term I/O bus also denotes the chain of devices that are connected together.
User Interface
The Central IO modules have the following status indicator LEDs on the front of the module:
Concept
The I/O wiring recommendations provide guidance on what type of wires should be used for the different Central IO modules, AS-B server onboard I/O, RP and MP controller onboard I/O, and IP-IO and RP-IO I/O modules, how to perform grounding, and how to connect different external devices to the inputs and outputs. This section also provides information on the external connectors required for the RP controller expansion modules and the RP-C-16C-F-230V model. Always use the recommended cables and wires.