Table 1 - Descriptions Of Major Components (Figure 4) - Honeywell HC900 User And Installation Manual

Key No. Component
Name
1 Controller
(Local) Rack
2 I/O Expansion
Rack
(C50/C70 CPU
only)
3 Control Station
4 PC
Configuration
Tool (Serial
connection
option)
5 HMI (Human-
Machine
Interface)
6 Qualified un-
managed
Ethernet
100Base-T
Switch
6a Ethernet
10/100Base-T
Switch or
Router/Firewall
7 Ethernet CAT5 shielded cable
Fiber Optics Cable
8 Ethernet CAT5
shielded cable
Revision 6
21 April 2017
Table 1 – Descriptions of Major Components (Figure 4)
Includes: Rack, Power Supply, Controller Module, and
I/O modules
(Optional) Includes: Rack, Power Supply, Scanner
Module, and I/O modules
900 Control Station operator interface communicates
via Ethernet or galvanically isolated RS-485 serial link

For legacy system- The PC configuration tool
connects from the RS-232 serial port of the
Controller Module to a serial port on the PC
 For new system – The PC Configuration tool
connects from the galvanically isolated RS-485 port
of the Controller Module using an external
Honeywell qualified RS-485 to USB converter.
(Optional) PC link to Ethernet network, which may
include other HMIs, other HC900 Controllers, and
other networks (including Internet).
Typically includes HMI operating software.
May also include Designer Software (configuration tool
and utility software).
Enables connection of the private Ethernet 100Base-T
port on a Controller Module to the Scanner modules
on 2, 3, or 11 I/O Expansion racks. (C50/C70 CPU
only) (If a single I/O expansion rack is connected
directly to a Controller Module, the Switch is not
required.)
Enables inter-connection of several 10/100Base-T
Ethernet devices in an Ethernet network. Devices
include other HC900 Controllers, HMIs, and can also
include routers, servers, and other devices in wider
networks.
Connects I/O expansion racks
(C50/C70 CPU only) to controllers
and/or to 10/100baseT Ethernet
switches. 10'or 20' (3.04 or 6.08m)
Connects I/O expansion racks
(C50/C70 CPU only) to controllers
with fiber switch.
Connects devices in Ethernet Open Connectivity
network to 900 Control Stations and PC SCADA
applications.
HC900 Process & Safety Controller User and Installation Manual
Description Source
Honeywell
Honeywell
Honeywell
PC is from third-party
supplier. Configuration
software is from
Honeywell. RS-485 to
USB converter is a third
party device available
from Honeywell.
PC is from third-party
supplier. HMI software is
available from Honeywell
(Experion HS or
SpecView32) or from
third-party supplier.
Qualified third party
devices available from
Honeywell
Third-party suppliers.
Third-party suppliers or
Honeywell
Third-party suppliers or
Honeywell
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