SBC PCD1 Series - Page 29

Saia-Burgess Controls AG
Manual Manual PCD 1 / PCD 2 Series │ Document 26 / 737 EN22 │ 2013-11-26
CPUs and expansion housings
3-12
CPU overview
3
Differentiation of PCD2 base
units (general, part 2)
M110 M120 M150 M170 M480
User memory
RAM basic set up
Expansion with RAM,
EPROM or Flash
EPROM
Hardwareversion
>= J:
128 Kbytes
1)
up to 512 Kbytes
added
HardwareversionH:
32 Kbytes
1)
up to
512 Kbytes added
Hardwareversion
<H:
32 Kbytes
1)
up to
128 Kbytes added
128
Kbytes
1)
up to
512
Kbytes
added
1 MByte RAM
PCD7.R400ashcardasplug-in
(backup of user program)
no yes
Clock (RTC) yes, deviation < 15 ppm (40 secs/month)
Data protection CR 2032 lithium battery
1-3 years
2)
Number of interrupt inputs
Maximum input frequency
no
-
2
1kHz
3)
2
1kHz
3)
4
1kHz
4)
1)Whenextendedmemoryisused,alargepartofthebasememorycanbeusedtostoreRAMtextsandDBs(text/
DBaddresses≥4000)
2) The period given is a buffer time; it is dependent on the ambient temperature (a higher temperature means a
shorter buffer time)
3)The1kHzapplieswithapulse/pauseratioof1:1andreferstothetotalfrequenciesofthetwoinputs
4)The1kHzapplieswithapulse/pauseratioof1:1