Справочник Пользователя для Honeywell HC900
Communications Installation - Connecting the HC900 Controller to a PC with the Hybrid Control Designer Software
90
HC900 Hybrid Controller Installation and User Guide
Revision 5
9/03
RS-232 Direct Link to PC Configuration Tool
The Controller can be connected directly to the PC, in which case a Null Modem Cable is required. The
Null Modem cable is available from Honeywell (Part # 51404755-501) or from third-party suppliers, or can
be fabricated by the user. The Null Modem construction is shown in Figure 50 - Null Modem Cable
Construction. Cable Pinouts are shown in Table 17 - PC Cable Pinouts.
Null Modem cable is available from Honeywell (Part # 51404755-501) or from third-party suppliers, or can
be fabricated by the user. The Null Modem construction is shown in Figure 50 - Null Modem Cable
Construction. Cable Pinouts are shown in Table 17 - PC Cable Pinouts.
Table 17 - PC Cable Pinouts
Configuration Connector Pinouts
(For Null Modem Cable)
(For Null Modem Cable)
Signal Name
Terminal No.
DCD 1
RXD 2
TXD 3
DTR 4
GND 5
DSR 6
RTS 7
CTS 8
RI 9
Figure 50 - Null Modem Cable Construction