User's Manual
Siemens PLT 130
.
1994
4/6
Interface module for 20-m local bus (N-V.24)
Technical data and ordering data
This circuit cancels the
electrical isolation of the
N.-V.24 interface
Fig. 4/5 20-mA current loop interface with internal constant-current source
for transmitter (left) and recei ver (right), connection example
Fig. 4/6 20-mA current loop interface with external current loop for trans-
mitter (left) and receiver (right), connection example
Technical data
Power supply DC 5 V
Current consumption 2.4 A
Interfaces
-- B a s e p l u g
-- Front plug X3
-- Front plug X4
5-V power supply
Serial V.24 or
20-mA current loop interface
for distances up to 15 or 1000m
respectively, 4-wire system
Redundant 20-m local bus output, open
collector, asymmetric,
for connection of a cable connector
with metal front plug and contact parts
Weight Approx. 0.75 kg
20-m local bus V.24- or 20-mA
interface
Transmission rate 340 kbit/s (autonomous)
250 kbit/s (remote
bus connection
via inductive converter)
110 bit/s to
9600 bit/s,
can be set on module
Data protection Horizontal parity (d =4) Longitudinal parity
(d =2)
Operating mode Half-duplex Half-duplex,
contention mode
Character frame Bus transfer element 8bit, code-transparent
Authorization for
data transmission
Token passing principle DIN 66 020
(V.24)
Ordering data
Order No.
Inter fa ce module for 20-m loc al bus (N-V.24)
with V.24 or 20-mA current loop interface
¯ with parts kit for front plug and installati on
instructions in German
6DS1 202-1AB
¯ Without parts kit for front plug 6DS1 202-8AB
Pa rts kit for front plug
for interface module 6DS1 202-8AB
with installation instructions in German
C79458-L437-D1
KSN -P C coupling s oftwar e
for SICOMP in dustry-standard PC or
PG 750/PG 770 programmer
See Catalog PLT 150
Instructions
Interface module for 20-m local bus, Order No.
V.24- or 20-mA current loop interface
German C79000--B8000--C3
English C79000--B8076--C3
French C79000--B8077--C3
Spanish C79000--B8078--C3
Manuals
N-V.24: Coupling of non-Siemens
computers to the CS 275 bus system
German C79000--G8000--C87
English C79000--G8076--C87
Created with "Chameleon CMYK PDF Creator" for Wolfgang Strozyk at Siemens AG
This catalog is out of date, see note on page 2