SFRA45 User Manual
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standard event status register) that can be read by the
mandatory command *ESR? (see section 5.1).
SFRA45 also maintains a status byte consistent with the
requirements of the IEEE488.2 protocol, that can be read
either with the IEEE488 serial poll function or by the
mandatory command *STB? over RS232 or USB or LAN
(see section 5.2).
Setting the LAN IP address to 0.0.0.0 will enable the DHCP
and the unit will obtain its IP-Address from the DHCP
server. DHCP server must be present on the network for
this to work. The LAN will not start normal operation until
it receives an IP address from the server.
Setting the LAN IP manually will disable the DHCP and the
unit will use a fixed IP address, defined by the IP Address
setting in the REMOTE menu.
RS232 data format is: start bit, 8 data bits (no parity), 1
stop bit. Flow control is RTS/CTS (see section 5.2), baud
rate is selectable via the REMOTE menu.
A summary of the available commands is given in the
Appendix. Details of each command are given in the
communications manual.
Commands are executed in sequence except for two
special characters that are immediately obeyed:
Control T (20) – reset interface (device clear)
Control U (21) – warm restart
