25
saia-pcd.com
PCD
3
SNMP
Automation stations – Saia PCD3
5
Switch cabinet
components
4
Consumer
data acquisition
3
Dedicated
room controllers
2
Operation
and monitoring
1
Automation
stations
1023
4 GB
512 kByte
0.3/0.9 µs
bit/word
I/O
File system
Program
CPU speed
PCD3.M3120
PCD3.M3230 PCD3.M3330
Technical Data
Basic
Basic
Basic
Number of inputs/outputs
64
1023
1023
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
Onboard memory
Main memory (RAM) for program and DB/text
128 kByte
512 kByte
512 kByte
Flash memory (S-RIO, configuration and backup)
2 MB
User flash file system (INTFLASH)
No
Data backup
4 hours with SuperCap
Onboard interfaces
USB 1.1
Yes
Ethernet 10/100 Mbits, 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 kbits
up to 187.5 kbits
Saia PCD3.M3xx0 controllers
The base CPU for simple applications
Options
The data memory can be expanded to 4 GB 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 specifications
Supply voltage (in accordance with EN/IEC 61131-2) 24 VDC, –20/+25% max. incl. 5% ripple or 19 VAC ±15% two-way rectified (18 VDC)
Power consumption
typically 15 W for 64 I/Os
Capacity 5 V/+V (24 V) internal
max. 600 mA/100 mA
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,
1023 I/Os, 512 kByte of program memory
PCD3.M3330 CPU basic module with Ethernet TCP/IP,
1023 I/Os, 512 kByte of program memory
Automation Server
integrated in the base
unit
