## Sys Out microblocks System Output microblocks contain control program output values, such as heat and cool requests or other status information. You can make these values network-visible to other BACnet devices. Control programs use requests to communicate their heating and cooling needs to each other. Using requests you can construct a software "chain" mimicking the mechanical chain of equipment in the building. When properly constructed, requests allow you to schedule terminal or zone equipment only and allow other equipment to respond to zone requests. The equipment serving zones can use requests and the Setpoint Optimization microblock to constantly adjust discharge setpoints and minimize energy consumption.
| Prime Variable This microblock identifies a single specific value from the control program that is representative of the entire control program, such as the current zone temperature.
| Binary Status This microblock displays a yes/no, on/off, open/closed, or true/false value from the control program on the Properties page. You can use this microblock to display the value of another microblock that would not normally appear on the Properties page.
| Analog Status This microblock displays the numeric value from the control program on the Properties page. You can use this microblock to display the value of another microblock that would not normally appear on the Properties page.
| Time Status This microblock displays a time value from the control program on the Properties page. You can use this microblock to display the value of another microblock that would not normally appear on the Properties page.
BACnet
| BACnet Binary Value Status This microblock displays a yes/no or on/off value from the control program. Any BACnet device can read the value of this microblock. The value appears to other BACnet devices as the Present Value Property of a BACnet Binary Value Object.
| BACnet Analog Value Status This microblock displays the numeric value from the control program. Any BACnet device can read the value of this microblock. The value appears to other BACnet devices as the Present Value property of a BACnet Analog Value Object.
| BACnet Multi-State Value Status This microblock specifies a signal to be sent to another microblock in the control program. Multi-State microblocks are used to specify signals from devices that have more than two discrete states (20 maximum).