The Honeywell ABC Protocol device communication option supports the following Data Collection Modules:
620-0048 DCM Module (revision VR 3.1 or later)
620-0042 DCM Module (prom revision 21024L or later)
and the following PLCs:
Up to 32 programmable controllers may be connected to CIMPLICITY over on a single serial connection.
If your DCM module is at an earlier revision than listed above, you may encounter interoperability issues. For additional information on this subject and upgrades, please contact your Honeywell representative.
About CIMPLICITY Honeywell IPC 620 Communications.