2.5 Command List
2 – 21
Since the mode setting is stored in the volatile memory of the shutter
head, not in the SR470 , the mode setting is lost whenever the SR470
or the shutter head is reset or re-enabled.
Shutter Model
MODL?
Query the model number for the shutter. This should return some-
thing like ‘SR475’ if the shutter is an SR475 shutter. This command
sends ‘X’ to the shutter and returns the response.
Maximum Rate
RATE?
Query the maximum rate at which the shutter can operate. A return
of 100 would indicate that it can operate at 100 Hz. This command
sends ‘R’ to the shutter and returns the response.
Shutter Command
SCMD(?)
s
(,
b
)
Send ascii bytes
s
followed optionally by hex bytes
b
to the shutter.
Send back the shutter response if the query form is used.
SCMD?T
CR
Example:
35
Send the ASCII byte ‘T’ to shutter 1 and return the response. This
returns the shutter temperature.
Shutter Error Word
SERR?
Query the shutter error word. This command sends ‘W’ to the shutter
and returns the response.
Shutter Position
SPOS?
Query the shutter position. A value of 1 indicates the shutter is open.
A value of 0 indicates the shutter is closed. A value of 1 indicates
the shutter position is indeterminate. This command sends ‘S’ to the
shutter and returns the response.
Shutter Serial Number
SSER?
Query the shutter serial number. This command sends ‘Y’ to the
shutter and returns the response.
Shutter Status Byte
SSTB?
Query the shutter status byte. This command sends ‘Z’ to the shutter
and returns the response.
SR470 Shutter Controller
