INFICON MDC-360 Thin Film Deposition Controller - Manual (Page 130)

MDC-360 DEPOSITION CONTROLLER
11-2 COMPUTER INTERFACE
lists pin signal assignments, including a definition whether t l is
-360 o inpu the MDC 60.
d on th ont p and labe RS-232 c us
485 por auto cally set to operat fol
ud, 8 Bit data, N arity top bit
-488 PARALLEL INTERFACE
-488 inter e pro s the MDC-360 with the ability to
computer nd oth evices ov a standard 488
he IEEE-488 terfac lso know s GPIB or prov
chronous interface between up to 15 individual devices
mean at on mputer e pped with -48
munic with to 14 MD 360 contro othe
Figure 8-5 a -3
, inclu g a d ition of whether the signal is an output
an inp to the C-360.
rial po can s e used w IEEE-488 installed.
terfaces use the same input and output uff ,
at th ame t This wi esult in c tio
All communication e c er d the MDC-3 are in the for of
dress - The controller address byte defines the controller
that sho
nge from 0 to 32 (set via Edit System Setup,
). A controller address of zero will be
uction code byte, message length byte and the
of he signa an
output from the MDC r an t to -3
The DJ11 jack locate e fr anel led an not be ed if
RS-485 is installed.
The MDC-360’s RS-
s:
t is mati up e with the lowing
specification
9600 Ba o P , 1 S
11.4 IEEE
The optional IEEE fac vide
communicate with s a er d er IEEE-
interface bus. T
an eight bit parallel asyn in e, a n a HPIB, ides
on the same bus. This s th e co qui an IEEE 8
interface card can com ate up C- llers or r
devices.
The pin layout of the IEEE-488 port is shown in nd Table 8 lists
pin signal assignments din efin
from the MDC-360 or ut MD
Both of the RS-232 se rts till b ith
However, since both in
ed
message b ers
they should not be us
errors. e s ime. ll r ommunica n
11.5 PROTOCOL
s betw en the omput an 60 m
message character strings with the format:
* Two byte header - FFh,FEh i.e. Chr$(255),Chr$(254)
*One byte controller ad
uld receive the message, or should respond to the message by transmitting
data. The controller address will ra
Edit Utility Setup, Interface Address
received by all controllers except in the case of the IEEE-488 interface. With this
interface, only the addressed device will receive the message.
*One byte instruction code.
*One byte message length.
* 0-249 byte message.
* One byte checksum, for the instr
0-249 byte message.