Allen-Bradley micrologix 1500, Руководство пользователя

Страница: 134 / 149

Publication 1764-UM001A-US-P
Glossary 2
FRXQWHU
A device that counts the occurrence of an event.
&38 &HQWUDO 3URFHVVLQJ 8QLW
The decision-making and data storage section of a programmable controller.
GDWD WDEOH
The part of processor memory that contains I/O status and files where user data
(such as bit, integer, timers, and counters) is monitored, manipulated, and changed
for control purposes.
',1 UDLO
Manufactured according to Deutsche Industrie Normenausshus (DIN) standards, a
metal railing designed to ease installation and mounting of your devices.
GRZQORDG
The transfer of program or data files to a device.
'&'
Data Carrier Detect. A signal generated by a modem that represents traffic
(activity) on a communications network.
'7(
Data Terminal Equipment
(0,
Electromagnetic interference.
HPEHGGHG ,2
Embedded I/O is the controller’s on-board I/O. For MicroLogix controllers,
embedded I/O is all I/O residing at slot 0.
H[SDQVLRQ ,2
Expansion I/O is I/O that is connected to the controller via a bus or cable.
MicroLogix 1200 controllers use Bulletin 1762 expansion I/O. MicroLogix 1500
controllers use Bulletin 1769 expansion I/O. For MicroLogix controllers,
expansion I/O is all I/O residing at slot 1 and higher.
HQFRGHU
A device that detects position, and transmits a signal representing that position.
H[HFXWLQJ PRGH
Any run, remote run, or test mode.
IDOVH
The status of an instruction that does not provide a continuous logical path on a
ladder rung.
),)2 )LUVW,Q)LUVW2XW
The order that data is stored and retrieved from a file.