RF Switch Command Reference 31
Chapter 3
Comments Invalid Values.Values other than those listed in the table cause error:
2022, “Invalid relay number”.
Opening Relays. Toopen single relays, use DIAG:OPEN abc. To open
multiple relays, use DIAG:OPE N abc,def,ghi,...etc.
80 Relays Maximum. The E1470A has only 80 relays. Setting more than
80 relay numbers causes error: -108, “Parameter Not Allowed”.
Example OpeningRelays
!Opens relay 333 (connects
!COM333 to relay 334 in bank 33)
DIAGnostic:OPEN?DIAGnostic:OPEN? <relay>{,<relay>...}returns a number to indicate the
open state ofeac h relayin the list. Since these are Form-C relays, “open”
means that the relay is “reset” to its power-on state (Common to NC).
Parameters
Comments Relay Open Results. The output buffer contains an unquoted string
containing the result for the relay(s): 0 = Not Opened (COMMON to NO)
and 1 = Opened (COMMON to NC).
Invalid Values.Values other than those listed in the table cause error:
2022, “Invalid relay number”.
Querying Relays.To query single relays, use DIAG:OPEN? abc. To query
multiple relays, use DIAG:OPE N? abc,def,ghi,... etc.
80 Relays Maximum. The E1470A has only 80 relays. Setting more than
80 relay numbers causes error -108, “Parameter not allowed”.
Example QueryingRelays Opened
!Reset module and open all relays
!Closes relays 003 and 014
!(connects relay 002 to relay 013)
!Returns 1,1,0,0
Name Type Range of Values
<relay> numeric 001-003|011-014|021-024|031-034|041-044|
051-056|101-103|111-114|121-124|131-134|
201-203|211-214|221-224|231-234|241-244|
251-256|301-303|311-314|321-324|331-334