Johnson Controls Metasys
Historically, a Building Automation System (BAS) adds monitoring and control features to heating, ventilation, and cooling (HVAC) systems. Today, some BASs can also integrate with other building systems such as lighting, blinds, security, fire, etc. These BASs can be used to save energy by allowing users to monitor system parameters, identify faults, and implement schedules/programs.
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Johnson Controls Metasys
The Johnson Controls Metasys Building Automation System solution consists of the Launcher/System Configuration Tool control software and a range of building controllers, general controllers and application specific controllers. This programable system integrates with HVAC and other building systems using a combination of open communication protocols and proprietary protocols.
Hub Highlights:
- BACnet (IP & MS/TP) and N2 communication options between SNC-25151 building controller and lower-level controllers
- REST Application Programming Interface (API)
- Cyber security features include FIPS 140-2 and BACnet Secure Connect for data encryption
- I/O ports built-in-to SNC25151building controller with optional I/O expansion modules
- Manufacturer direct procurement, installation, commissioning, training, checkout and service contract
Last Edited on: 05/31/23
| Product Name | Metasys |
| Communication protocols - from building controller to other controllers | BACnet (IP, MS/TP) and N2 |
| Software - steps for system setup |
1) Software Manager - for software download and license activation, 2) Controller Configuration Tool (CCT) for controller setup, 3) System Configuration Tool (SCT) for system programming, 4) Launcher for connecting to system over IP to allow for SCT programming, 5) Other optional software includes: Metasys Engine Importer, NAE Update tool, Package Importer |
| Programming options | Programmable and/or built-in application specific programs |
| Software licensing and software agreement (SMA) | Initial cost for Controller Configuration Tool (CCT) for controller setup, System Configuration Tool (SCT) for system programming system. The ADS/ADX servers or 3rd party SQL servers are an annual cost. Cost for optional software updates. |
| Software licensing structure | Cost for software is based on number of users and number of building controllers (engines). The ADS server works for 1-5 building controllers, but the ADX works for 5+ building controllers. |
| User interface style | Graphical programming with graphical dashboards available |
| User Interface Options | Central PC, computer on network and web interface for smartphones, tablets and computers |
| Dashboards | Yes |
| Remote access | Yes, optional |
| Different user permissions | Yes |
| Cyber security features | User passwords, auto log-off, FIPS 140-2 and BACnet Secure Connect for data encryption |
| Building controller built-in I/O terminals (connection locations) | Yes, 14 Universal Inputs (UIs), 11 Binary Inputs (BIs), 4 Universal/Configurable Outputs (COs), 4 Analog Outputs (UOs) and 7 Binary Outputs (BOs) |
| Building controller maximum expansion modules or I/O modules that add multiple terminals (connection locations) | SNC25151 controller has a 240mA output for supplying I/O modules |
| Installation approach | Manufacturer direct |
| Manufacturer training | Yes, online or in person instructor led courses for the specific user needs. |
| Service contract | Yes, optional through manufacturer |
| System application | New construction & retrofit |
| Monitoring and trending | Yes |
| Report output type | Excel (.XLS), Access database (.mdb) and optional advanced reporting with Microsoft Excel or PDF |
| Export point data and trends (SQL) | Yes, after purchasing and setting up Johnson Controls or 3rd party SQL server |
| Setpoint recording | Yes |
| Alarm/fault detection | Yes |
| Wireless capabilities | Yes, Wi-Fi for network communication and Zigbee® for application specific controllers communication |
| Manufacturer advertised variable air volume (VAV) controller with integrated actuator | Yes, VMA |
| Manufacturer advertised thermostats | Yes |
| Manufacturer advertised blinds controller | No |
| Manufacturer advertised display monitor device | Yes |
| Manufacturer integrated application programming interface (API) | Yes, REST API |
| Manufacturer integrated automated demand response (ADR) | No |
| Warranty (yrs.) | 3 years |
| Other notes | SQL server required for software setup |
Last Edited on: 09/27/23
| Date of Test | 10/19/22 - 03/14/23 |
| Model | M4-SNC25151-0H, M4-XPM0406-0, MS-FAC4911-0, MS-VMA-1930-0, NSB8MHC242-0, TL-BUNDLEMS-0, PAN-PWRSP |
| Sample Size | 1 |
|
Average (and maximum) power consumption of a BAS when controlling building HVAC loads per square foot (mW/sf) of California building space
|
2.30 (14.2) |
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Average (and maximum) power consumption of a BAS when not controlling building HVAC loads (standby mode) per square foot (mW/sf) of California building space
|
1.54 (7.56) |
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Average (and maximum) energy consumption per square foot per year (Wh/sf/yr) of California building space for a BAS
|
27.1 (175) |
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Power failure recovery after 10 seconds (Yes or No)
|
No, the SNC controller required a second reboot. |
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Power failure recovery after 112 minutes (Yes or No)
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Yes |
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Average time (and maximum time) in seconds (s) for the software to update the temperature setpoint as a result of the user manually overriding values via the software
|
16.2 (19.0) |
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Average time (and maximum time) in seconds (s) for the software to update the temperature setpoint as a result of the user manually overriding values via the thermostat
|
11.2 (14.8) |
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Average time (and maximum time) in seconds (s) for the software to update the temperature setpoint as a result of the user manually overriding values via a scheduled setpoint change
|
2.5 (4.0) |