MercuryiTC
©2014 Oxford Instruments Omicron NanoScience. All rights reserved.
Page 110
LOOP SWFL R/W
Sets the file to read from for the
Sweep Table
LOOP SWMD FIX:SWP R/W Sets the sweep mode
LOOP ENAB OFF:ON R/W
Enables(Auto)/disables(Manual) the
PID control
LOOP TSET 0 - 2000 R/W Sets the temperature set point
LOOP HSET 0 - 100 R/W
Sets the Heater percentage (in
Manual)
LOOP FSET 0 - 100 R/W
Sets the flow percentage (Manual
flow)
LOOP RSET 0-inf R/W
Sets the ramp rate for when the loop
is in ramp mode
LOOP FAUT OFF:ON or Manual:Auto R/W
Enables/Disables flow control. (Use
Manual:Auto instead of OFF:ON for
Cryosys 1.0.11 and older)
LOOP RENA OFF:ON R/W Enables/Disables ramp mode
8.3.5.4 Addressing a heater controller
To address a heater controller, use the following structure:
DEV:<UID>:HTR
where <UID> is a unique identifier that is allocated to each board, based on its SPI location.
The configuration settings for a heater controller are DEV:<UID>: HTR followed by:
COMMAND OPTIONS Read/Write DESCRIPTION
MAN HVER R
Reads the hardware version of the daughter
card
MAN FVER R
Reads the firmware version of the daughter
card
MAN SERL R Reads the serial number of the daughter card
NICK R/W Sets the name of the device
VLIM 0 - 40 R/W Sets the Maximum voltage limit for the heater
STAT R
Reads the alarm flags of the device (Hex
Format)
RES 10 - 2000 R/W Sets the heater resistance
PMAX 0 - 80 R Indicates the maximum power of the heater
CAL W Calibrates the hardware
The signals for a heater controller are DEV:<UID>: HTR followed by:
COMMAND OPTIONS Read/Write DESCRIPTION
SIG VOLT R/W Heater voltage
SIG CURR R Heater current
SIG POWR R/W Heater power dissipation
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