Honeywell verkkokortti HC900 Manuaali

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Honeywell verkkokortti HC900
Communications Installation - Connecting the HC900 Controller to a PC with the Hybrid Control Designer Software
Revision 5 HC900 Hybrid Controller Installation and User Guide 93
9/03
Modem requirements
Most commercially available modems can be used with the HC900 Controller. The modem must have the
following capabilities:
RS-232 interface
Auto answer
Can operate at 9600 or 19200 or 38400 baud, 8 data bits, 1 stop bit, and no parity
Hardware handshaking can be disabled
Software handshaking can be disabled
Data Terminal Ready (DTR) input can be disabled
Result codes can be suppressed
Echo can be disabled
Must be equipped with non-volatile memory (NVRAM) so that settings that are configured using
command strings can be retained during a power-outage
Must be able to load the NVRAM settings automatically on power-up
Cable requirements
You will need an interface cable to connect the modem to the DB-9 female on the controller. If your
modem has a 25-pin connector, be sure to use a DB-25 to DB-9 modem cable.
TIP
The Null Modem cable used to directly connect a PC running Hybrid Control Designer
software to the controller may typically not be used to connect the PC to the modem or to
connect the modem to the controller.
If your modem requires command string configuration, you will need an interface cable to connect the
modem to your PC. Refer to your modem and computer documentation to determine this cable’s
requirements.
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