25
saia-pcd.com
PCD
3
SNMP
Automation stations – Saia PCD3
5
4
3
2
1
Cabinet
components
Dedicated
room controller
HMI Visualization
and operating
Automation
stations
Consumption data
acquisition
Automation Server
integrated in
the base unit
1,023
4 GByte
512 kByte
0.3/0.9 µs
bit/word
I/O
File system
Program
CPU speed
Saia PCD3.M3xx0 controllers
Basic CPU for simple applications
Types
PCD3.M3120
CPU basic module with Ethernet TCP/IP,
64 I/Os, 128 kByte of program memory
PCD3.M3230
CPU basic module without Ethernet TCP/IP,
1,023 I/Os, 512 kByte of program memory
PCD3.M3330
CPU basic module with Ethernet TCP/IP,
1,023 I/Os, 512 kByte of program memory
PCD3.M3120
PCD3.M3230 PCD3.M3330
Technical data
Basic
Basic
Basic
Number of inputs/outputs
64
1,023
1,023
or I/O-module slots
4
64
64
I/O expansion connection for PCD3.Cxxx module holder
No
Yes
Yes
Processing times [µs]
bit operation
word operation
0.3…1.5 µs
0.9 µs
Real time clock (RTC)
Yes
On-Board memory
Main memory (RAM) for program and DB/text
128 kByte
512 kByte
512 kByte
Flash memory (S-RIO, configuration and backup)
2 MByte
User flash file system (INTFLASH)
No
Data backup
4 hours with SuperCap
On-Board interfaces
USB 1.1
Yes
Ethernet 10/100 Mbit/s, full-duplex, auto-sensing/auto-crossing
Yes
No
Yes
RS-485 on terminal block (Port 2) or
RS-485 Profibus-DP Slave, Profi-S-Net on terminal block (Port 2)
up to 115 kbit/s
up to 187.5 kbit/s
Options
The data memory can be expanded to 4 GByte with flash memory modules (with file system).
Optional data interfaces
I/O slot 0
PCD3.F1xx modules for RS-232, RS-422, RS-485 and Belimo MP-Bus
I/O slot 0…3
up to 4 modules or 8 interfaces
PCD3.F2xx modules for RS-232, RS-422, RS-485, BACnet® MS/TP, Belimo MP-Bus, DALI and M-Bus
General data
Supply voltage (according to EN/IEC61131-2) 24 VDC –20/+25% max. incl. 5% ripple or 19 VAC +/–15% full-wave rectified (18 VDC)
Power consumption
typically 15 W for 64 I/Os
Capacity 5 V/+V (24 V) internal
max. 600 mA/100 mA
