114 C4 Manual Rev 7.5.2
QC Query last command ..........................................64
QE, QEA Query error/status string .................................62
QF, QFA Query setup parameter value .............................. 59
QN Query controller serial number ................................. 57
QR............................................................ 58
QR Query controller temperature range ............................. 58
QS ............................................................ 58
QS Query setpoint & control probe number........................... 58
QU Quit controlling .............................................. 73
QV............................................................ 57
QV Query firmware version ....................................... 57
RA, RAF Ramp to temperature..................................... 71
RE, REA - Request error byte ...................................... 61
RS, RSA - Request status byte ..................................... 61
SC Set probe correction ...........................................66
SD Set UUT Temperature differential limits ......................... 69
SI Select immediate mode......................................... 70
SL Set UUT temperature Limits ...................................69
SP Select program mode .......................................... 70
Summary ......................................................56
TO & TF Turn aux/power control port on & off........................ 72
UP Write current parameters to NV memory......................... 69
WP Set PID constants ............................................67
Communications port select ..........................................79
Compressor
CO & CF Turn the refrigeration port on & off ........................ 72
Compressor control ..............................................80, 98
Connections, rear panel ............................................. 22
Cryogenic boost control.............................................. 52
DL Delay (dwell interval) ............................................72
DS - Disable SRQ (Status request mode)................................ 64
Dwell time .....................................................43, 72
EEPROM replaces BBSRAM ......................................... 12
EIA-232 port ................................................... 10, 55
connector ...................................................... 22
EIA-232 settings
EIA-232 settings ................................................79
Error byte .................................................. 33, 61, 75
Error message table ............................................... 109
Error/status string .............................................. 33, 75
Bit definitions .................................................. 77
QE, QEA Query error/status string .................................62
ES - Enable SRQ (Status request mode) ................................ 64
Fahrenheit temperature scale ..................................... 28, 80