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1594A/1595A Super-Thermometer
Interface Commands
90
Parameter <source> may be any of the following:
<source> Function
1
Selects the internal 1 W resistor for the reference resistor
10
Selects the internal 10 W resistor for the reference resistor
25
Selects the internal 25 W resistor for the reference resistor
100
Selects the internal 100 W resistor for the reference resistor
10K
Selects the internal 10 kW resistor for the reference resistor
RS1 Selects the rear RS1 input as the source for the reference resistor
RS2 Selects the rear RS2 input as the source for the reference resistor
CH2 Selects the front Channel 2 input as the source for the reference resistor
CH4 Selects the front Channel 4 input as the source for the reference resistor
An input option is not allowed if the resistor assignment for the input is NONE (see Section 8.7.3.61,
INP:REAR<n>:RS:IDEN <id>|VAR|NONE, on page 87 and Section 8.7.3.66, INP<n>:RS:IDEN
<id>|VAR|NONE, on page 88), in which case an error -221, “Settings conict” is generated in the error
queue. Also, Channel 2 cannot be set to CH2 and Channel 4 cannot be set to CH4.
8.7.3.71 ROUT:CLOS <channel>
Query form: ROUT:CLOS?
Example command: ROUTE:CLOSE (@3)
Example response: (@3)
Selects one channel for measurement.
The lowest channel appearing in <channel list> is enabled, and all other channels are disabled. The Scan
Enable setting is set to OFF (see Section 5.7.3.1, SCAN SETTINGS (F1), on page 39). If measurement is
disabled, the channel will not actually be measured until measurement is started. If measurement of another
channel is in progress, the new channel will not be measured until the measurement completes.
A channel number in <channel list> may be 1 through 4 for the corresponding front channel input, 5 through
14 for channels of the rst attached scanner, and 15 through 24 for channels of the second attached scanner. If
a scanner is attached, channel 1 is not allowed.
The channel is specied in channel list format, preceded by an @ character, everything enclosed in
parenthesis.
If scanning is on, the query will return an empty channel list.
8.7.3.72 ROUT:CLOS:STAT?
Example response: (@2)
Returns the channel number of whatever channel is actively being measured, whether or not scanning is en-
abled. If measurement is off, an empty channel list is returned.
8.7.3.73 ROUT:SCAN <channel list>
Example command: ROUTE:SCAN (@1,2,4,6:14)
Query form: ROUT:SCAN?
Example query response: (@1,2,3,4)
Enables channels for scanning.
Each of the channels specied in <channel list> is enabled (this is equivalent to setting each channel ON in the
Channel Menu), and all other channels are disabled. The Scan Enable setting is set to ON (see Section 5.7.3.1,
SCAN SETTINGS (F1), on page 39). If measurement is disabled, the channels will not actually be scanned
and measured until measurement is started.