急！！！viOpen错误

abc814211181 2011-04-14 08:59:46

我的程序用了err=viOpen(defaultRM,"TCPIP0::10.129.41.111::inst0::INSTR",VI_NULL,VI_NULL,&vi)
err返回一个负数，表明打开错误，为什么会错
我已经用expert connection安捷伦自带的连接软件能够打开，说明IP没有错，怎么用我自己的程序第二句就出错了？
求解,谢谢

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abc814211181 2011-04-15

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[Quote=引用 1 楼 fall513 的回复:]
TCPIP0::10.129.41.111::inst0::INSTR
改为
TCPIP0::10.129.41.111::INSTR
[/Quote]
回去试了，不是不行

fall513 2011-04-15

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你在viOpen之前用过viOpenDefaultRM没有？

fall513 2011-04-15

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没有inst0

VXI0::1::INSTR

A VXI device at logical address 1 in VXI interface VXI0.

GPIB-VXI::9::INSTR

A VXI device at logical address 9 in a GPIB-VXI controlled VXI system.

GPIB::1::0::INSTR

A GPIB device at primary address 1 and secondary address 0 in GPIB interface 0.

ASRL1::INSTR

A serial device located on port 1.

VXI::MEMACC

Board-level register access to the VXI interface.

GPIB-VXI1::MEMACC

Board-level register access to GPIB-VXI interface number 1.

GPIB2::INTFC

Interface or raw resource for GPIB interface 2.

VXI::1::BACKPLANE

Mainframe resource for chassis 1 on the default VXI system, which is interface 0.

TCPIP0::1.2.3.4::999::SOCKET

Raw TCPIP access to port 999 at the specified address.

TCPIP::devicename @company.com::INSTR

TCPIP device using VXI-11 located at the specified address. This uses the default LAN Device Name of inst0.

USB0::2391::291::SN_001001::INSTR

USB device whose manufacturer ID is 2391, model code is 291, serial number is SN_001001. Optional USB interface number is not used.

abc814211181 2011-04-14