
4-62 Agilent B1500A/B1505A Programming Guide, Edition 11
Command Reference
CN/CNX
Syntax CN [chnum[,chnum...[,chnum]...]]
CNX [chnum[,chnum...[,chnum]...]]
A maximum of 15 channels can be set.
Parameters chnum : Channel number. Integer expression. See Table 4-1 on page 4-16.
If the output switch of the specified SMU is already set to ON, no action is
performed by this command.
If you specify multiple chnums, the channels will be enabled in the specified order.
If you do not specify chnum, this command enables all SMU, all SPGU, and CMU
in this order. Then, the modules of same kind will be enabled in the order from
lower to higher channel number 101 to 1002. The channel numbers 1 to 10
correspond to the channel numbers 101 to 1001 respectively. See Table 4-1 on page
4-16.
If you specify the channel connected to the ASU, this command enables the channel
and connects the path to the ASU output.
If you specify a SMU connected to the SCUU, this command enables the SMU and
connects the path to the SCUU output.
If you specify the MFCMU connected to the SCUU, this command enables the
MFCMU and connects the path to the SCUU output.
If you specify both MFCMU and SMU connected to the SCUU, this command
causes an error.
If you enter the CN/CNX command without chnum parameter to the B1500 installed
with the SCUU, this command enables the SMUs except for the SMUs connected to
the SCUU, enables the MFCMU, and connects the path to the SCUU output.
Table 4-23 Differences between CN and CNX
Example
Statements
OUTPUT @B1500;"CN"
OUTPUT @B1500;"CN 1,2,3,5"
OUTPUT @B1500;"CNX"
OUTPUT @B1500;"CNX 1,2,3,5"
Previous status Command execution result
Module status Output switch CN CNX
Normal Open/Close Close with no error
High voltage Open Open with an error
Close Close with an error Close with no error
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