Lakeshore Learning Materials 642 - Manual (Page 86)

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