Advantech PCLS-848-P, User Manual

Page: 31 / 106

CHAPTER 2 INSTALLATION 25
3.4.5. ieentera
NAME:
ieentera — Enters a long string from a specified device or from the
interface.
SYNTAX:
ieentera(addr,dataseg,maxlen);
addr:integer; The address of the device the entered string comes from. If 0<
=addr< =30, the specified device is the taLker. Otherwise, the
talker is the previously defined one.
dataseg:integer; The memory segment where the string is to be put. The
starting address offset is 0.
maxlen:integer; The maximum input string length. The range is from 0 to
65535.
DESCRIPTION:
This procedure enters a long string (can be up to 65535 bytes) from a specified
device or from the interface. Reading is terminated upon receiving the terminator,
or when the specified length is reached, or on timeout. The string is put into the
memory area’s specified segment. The starting address of the received string has
offset 0 in that segment.
BUS ACTIVITY:
- If 0 <= addr <= 30
ATN is set true.
UNL is sent.
TAD is sent.
MLA is set.
ATN is set false.
String is entered..