Hardware Manual

Hardware Manual PCD 1 / PCD 2 Series│Document 26 / 737│Edition EN 15│2008-07-22

Saia-Burgess Controls AG

CPU overview

CPUs and expansion housings

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

H/ware version >= J:

128 Kbytes1)

up to 512 Kbytes

added

H/ware version H:

32 Kbytes1)

up to

512 Kbytes added

H/ware version H:

32 Kbytes1)

up to

128 Kbytes added

128

Kbytes1)

up to

512

Kbytes

added

1 MByte RAM

PCD7.R400 flash 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 years2)

Number of interrupt inputs

Maximum input frequency

no

2

1 kHz3)

2

1 kHz3)

4

1 kHz4)

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