2680A/2686A
Users Manual
H-12
WINSOCK DLL and Application Programming Interface
The Fluke DAQ software uses the TCP/IP protocol via a set of resources contained
in a
winsock.dll
(
WINSOCK32.DLL
for 32-bit operation). This DLL
contains a set of functions that support two-way communication between two hosts
on the network. Of course, both hosts must support the TCP/IP protocol for a
WINSOCK connection to be successful.
WINSOCK isolates the 2680 Series software from the specific implementation of
TCP/IP operating in the PC. WINSOCK's interface to applications has been
standardized by a committee of many different PC hardware and software vendors.
This makes it possible to operate 2680 Series software over WINSOCK's from
different software vendors.
Windows 95, Windows NT, and later versions of Windows provide a WINSOCK
as part of the TCP/IP protocol.
Notes to Network Administrators
The 2680 Series product line consists of the 2680A (Data Acquisition System) and
the 2686A (Data Logging System) instruments, the PC software, and some
options. The instruments communicate with the PC using the TCP/IP protocol and
the Ethernet physical network. Using proper Gateway devices, the PC could be on
almost any physical network that is capable of carrying or tunneling TCP/IP
packets and can gate to an Ethernet.
2680 Series devices use fixed IP addresses. They support user entry of the subnet
mask and the default gateway. On networks that contain routers and gateways and
support the Proxy ARP protocol or have static routing tables, you don’t have to use
these parameters. In the Proxy ARP protocol, the routing path between any two
hosts is automatically established by the routers during the ARP process.
The 2680 Series PC software communicates with the 2680 Series instruments in a
totally peer-to-peer manner. Operation of the instruments and software require no
server support. As a result, as long as your network can carry and route TCP/IP
packets, you should have no interaction between communication with the 2680
Series instruments and other traffic on the network.
The PC software runs in the 32-bit Windows environment and is designed to
operate over any
winsock.dll
that supports version 1.1 of the WINSOCK
standard. If your PCs already has a
winsock.dll
and TCP/IP stack loaded, you
should use that. In Novell environments, you may want to use the LAN Workplace
product from Novell.
Whichever
winsock.dll
that you use, make sure that there’s only one file with
this name in any directory specified in your PATH. WINSOCK libraries are
specifically matched to the underlying TCP/IP software and are not
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