Lakeshore 642 User Manual page 86

LIMIT
Limit Output Settings Command
Input: LIMIT <current>, <rate> [term]
+nn.nnnn, +nn.nnnn
Format:
<current>
<rate>
Sets the upper setting limits for output current, compliance voltage, and output current ramp rate. This
Remarks:
is a software limit that will limit the settings to these maximum values.
LIMIT?
Limit Output Settings Query
Input: LIMIT? [term]
Returned: <current>, <rate> [term]
+nn.nnnn, +nn.nnnn
Format:
LOCK
Keypad Lock Command
Input: LOCK <state>, <code>[term]
n,nnn
Format:
<state>
<code>
Locks out all front panel entries operations.
Remarks:
LOCK 1,123[term] – Enables keypad lock and sets the code to 123.
Example:
LOCK?
Keypad Lock Query
Input: LOCK?[term]
Returned: <state>, <code>[term]
n,nnn
Format:
MAGWTR
Magnet Water Mode Command
Input: MAGWTR <mode>[term]
n
Format:
<mode>
MAGWTR 2[term] – Places the magnet water mode to Auto, which will automatically control the
Example:
magnet water valve based on the calculated output power.
MAGWTR?
Magnet Water Mode Query
Input: MAGWTR?[term]
Returned: <mode>[term]
n
Format:
MODE
IEEE Interface Mode Command
Input: MODE <mode>[term]
n
Format:
<mode>
MODE 2[term] – Places the Model 642 into remote mode with local lockout.
Example:
MODE?
IEEE Interface Mode Query
Input: MODE?[term]
Returned: <mode>[term]
n
Format:
5-34
Lake Shore Model 642 Electromagnet Power Supply User's Manual
Specifies the maximum output current setting allowed: 0 – 70.1000 A.
Specifies the maximum output current ramp rate setting allowed: 0.0001 – 99.999 A/s.
(Refer to command for description)
0 = Unlock, 1 = Lock All, 2 = Lock Limits.
Specifies lock-out code. Valid entries are 000 – 999.
(Refer to command for description)
0 = Manual Off, 1 = Manual On, 2 = Auto, 3 = Disabled.
(Refer to command for description)
0 = Local, 1 = Remote, 2 = Remote with local lockout.
(Refer to command for description)
Computer Interface Operation