Introduction; Functions; Sensor Programming - Ahlborn ALMEMO 2590-2A Operating Instructions Manual

INTRODUCTION

5.
The ALMEMO ® 2590A series is a new member in our family of unique measur-
ing devices - all equipped with Ahlborn's patented ALMEMO ® connector sys-
tem. The intelligent ALMEMO ® connector offers decisive advantages when con-
necting sensors and peripherals because all parameters are stored in an
EEPROM located on the connector itself; repeat programming is thus no longer
necessary.
All sensors and output modules can be connected to all ALMEMO ® measuring
instruments in the same way. Programming and functioning are identical for all
units. The following points apply to all devices in the ALMEMO ® measuring sys-
tem; these are described in detail in the ALMEMO ® Manual which is included in
delivery with each device.
Detailed explanation of the ALMEMO ® system (Manual Ch 1)
Overview of the device functions and measuring ranges (Manual Ch 2)
Basic principles, operation, and technical data for all sensors (Manual Ch 3)
Options for connecting your own existing sensors (Manual Ch 4)
All analog and digital output modules (Manual Section 5.1)
Interface modules RS232, USB, Ethernet, optic fiber (Manual Section 5.2)
The whole ALMEMO ® networking system (Manual Section 5.3)
All functions and their operation via the interface (Manual Ch 6)
Complete list of interface commands with all the printouts (Manual Ch 7)
The operating instructions you are now reading cover only those features and
controls that are specific to this device. Many sections therefore also refer to the
more detailed description in the Manual; (see Manual, Section xxx).

Functions

5.1
The ALMEMO ® 2590A series devices have 2 or 4 electrically isolated measur-
ing inputs suitable for all ALMEMO ® sensors. The measuring possibilities are
virtually unlimited; there are 8 to 16 channels in the sensor connectors and 4
device-internal function channels - with over 70 measuring ranges. For opera-
tion purposes the device incorporates an LCD graphics display and a softkey
keypad with cursor block. The display can via sensor-specific menus (user-con-
figurable) adapt ideally to all applications. A memory connector (SD card) or
500-KB EEPROM can be used to implement a data logger function (type -4AS
only). There are two output sockets which can be used to connect any AL-
MEMO ® output modules, e.g. analog output, digital interface, trigger input, or
alarm contacts. Several devices can be networked by simply connecting them
with network cables.

5.1.1 Sensor programming

The measuring channels are programmed, completely and automatically, by the
ALMEMO ® connectors. However, the user can easily supplement or modify this
11