Network Control Module (NCM) - Metasys - LIT-1201535 - Supervisory Device - Network Engine

N1 Migration with the NIE Technical Bulletin

Product name
Network Engine
Document type
Technical Bulletin
Document number
Revision date

The NCM coordinates and supervises the control activities for all objects and control loops connected to it by using Network Expansion Units (NEUs) and Application Specific Controllers (ASCs).


  • All NCM types are supported by the NIE. The minimum NCM firmware revision levels are listed in Table 1. All supported NCM models require Metasys person-machine interface (PMI) software Release 12.04 or later.
  • The NIE55 supports NCM45 10-2s (N2) and NCM45 20-2s (LON), but the NIE55 as a validated device supports the NCM45 10-2s (N2) only.
  • All NCM models must be networked to the NIE using Ethernet/IP protocols. ARCNET® based NCM models require use of Metasys Embedded Ethernet Router.
Table 1. NCM Firmware Revision Levels

NCM Model

Firmware Revision Level

NCM 100


NCM 200


NCM 300


NCM 350


NCM 4500

Not applicable.

Note: NCM upgrades are available through the Johnson Controls Product Repair Center. To upgrade an NCM to the appropriate revision level, contact your local Johnson Controls branch office.