07.96
Description
3-21
Siemens AG 1996 All Rights Reserved 6ZB5 430–0BH02–1AA0
SINUMERIK 805SM / 840C (BS)
FEPROM
Flash EPROM: read and write memory (non–volatile me-
mory)
GND
Signal ground, reference point
HEX
Abbreviation for a hexadecimal number
IM 308–B
Master interface module
IM 318–B
Interface module for slave station Et 200U
IM 328–N
Slave module for fieldbus SINEC L2–DP
IM 329–N
Slave and master module for fieldbus SINEC L2–DP
LED
Light emitting diode
OB
Organization block
PIQ
Process output image
PII
Process input image
PY
Peripheral byte
PG
Programming unit
PROFIBUS
PROcess Field BUS, German process and fieldbus standard defined in the
PROFIBUS standard (DIN 19245).
This standard defines functional, electrical and mechanical characteristics for
bit–serial fieldbus systems.
((S. A–3))
PROFIBUS–DP
Standard proposal PROFIBUS–DP (DIN E 19245, Part 3) on which the distri-
buted I/O system ET 200 is based
PW
I/O word
TO
Timeout
RAM
Random Access Memory
SPS
Standard plug–in station (1 SPS = 15–24 mm)
SINEC L2
Bus system: Networked PROFIBUS–compatible programmable control system
and field devices on the cell and field level.
SINEC L2–DP
Bus system SINEC L2 with DP protocol (stands for distributed peripherals)
SK
Softkey
SPC
Serial Periphery Controller
SRAM
Static RAM (buffered)
Station number
Each ET 200 bus node is assigned a unique station number
SWx
Software Version x