Honeywell HC900 - Figure 72 - RS-232 Remote Access Via Modems

Communications Installation - Connecting the HC900 Controller to a PC with the Designer Software
Revision 19 HC900 Process Controller Installation and User Guide 125
06/14
Rs-232 Remote Connection to PC Configuration Tool
The Controller can also be connected remotely by a set of modems, which are available from third-party
suppliers. A Null Modem Cable is used between the Controller and the modem, shown in Figure 72 and
shown in Table 19.
A second Null Modem cable is used between the PC and the internal or external modem at the other end, as
shown in Figure 72. This cable is?
Remote controller access via dial-up modem is available via the communication setup in the PC
configuration tool. All functions of the Designer Software configuration tool can be performed over this
link. Remote access functions include on-line monitoring, configuration upload and download, and
firmware upgrade.
Figure 72 – RS-232 Remote Access via Modems