The Open Application Server (OAS) combines Metasys server and engine capabilities in a single software offering, with optional, add-on features. Two licensing options are available for the OAS: the OAS minimum and the OAS standard. For more information about the OAS versions, see Table 1.
As a Site Director, the OAS Standard supports up to two supervisory devices, 200 field devices, and 20,000 objects using BACnet®/IP and Remote Field Bus integrations. The OAS supports integration with the following devices and systems: ZFR Pro wireless system, C•CURE 9000® Access Control®, Modbus®, M-Bus®, KNX®, and OPC Unified Architecture (UA)®. For more information, refer to the Open Application Server (OAS) Installation Guide (LIT-12013222).
OAS provides database software options to archive licensed historical data using the Microsoft® SQL Server software database, and enables secure communication to a range of network engines, including the NAE, NCE, SNE, and SNC series engines.
| Features | OAS Minimum | OAS Standard |
|---|---|---|
| Supports Metasys UI | Yes | Yes |
| Supports engines | No | 2 |
| Can license add-ons | Yes | Yes |
| Direct support for field devices | 200 | 200 |
|
Supports SMP
Note:
SMP requires a license to operate. Only use to upgrade existing OAS sites, and not new OAS sites. |
Yes | Yes |