SBC PCD2.M150 User Manual

Saia-Burgess Controls AG
Manual Manual PCD 1 / PCD 2 Series │ Document 26 / 737 EN22 │ 2013-11-26
CPUs and expansion housings
3-5
System resources
3
3.3.3 Media
Type Number Addresses Remarks
Flags (1 bit) 8192 F 0…8191 Bydefault,agsarenotvolatile,
but a volatile range can be
congured,beginningwith
address 0
Register (32 bit)
PCD1
PCD2.M110/120/M150/M170
PCD2.M480
4096
4096
16384
R 0…4095
R 0…4095
R 0…16383
For integer or
oatingpointvalues
EEPROM register (32 bit)
PCD1.M110/120/130
PCD1.M1x5
PCD2
5
50
50
Allow values to be stored that are
retained even when the battery or
the buffer capacitor are empty.
SYSRD/SYSWRinstructions
can be used to read and write
these values. The mechanism
isintendedforconguration
data that does not change often;
the number of write cycles is
restricted.
Text/data blocks
with/out extended user
memory
PCD1
PCD2.M110/M120/M150
PCD2.M170
PCD2.M480
4000/5000
4000/6000
8000
8191
X or DB
0…3999/4099
0…3999/5999
0…7999
0…8190
Thetexts0..3999arealways
written to the same memory area
as the user program.
Wheretheusermemoryhas
been extended, the base memory
canbeconguredtoholdRAM
texts and DBs. The texts and DBs
held in this way have addresses
≥4000
Timers/counters (31 bit) 1600
1)
T/C 0…1599 The breakdown of timers and
countersiscongurable.Timers
are periodically decremented by
the operating system; the basic
time unit can be set between
10 ms and 10 s
Constants with media code K any
number
Values 0..16383; may be used in
instructions instead of registers
Constants with no media
code
any
number
Values - 2,147,483,648 to
+2,147,483,647. Can only be
loadedintoaregisterwithanLD
command, and cannot be used in
instructions instead of registers
Semaphores 100 0…99 Not relevant to PCD1/PCD2;
used for locking resource
accesses in multi-CPU systems
like the PCD6
1)Thenumberoftimersconguredshouldbeonlyasmanyasrequired,topreventunnecessaryCPUloading

SBC PCD2.M150 Specifications

General

Brand	SBC
Model	PCD2.M150
Category	Controller
Language	English