90
saia-pcd.com
Standby Controller
Standby Controller
Saia PCD3.M6880 controllers
High Power Standby Controller
1.023
4.2 GByte
2 MByte
0.1/0.3 µs
bit/word
I
/O
File system
Program
CPU speed
PCD3.M6880
Property/function
Main CPU0
Redundant CPU1
Number of inputs/outputs
1023
––
or I/O-module slots
64
––
I/O expansion connection for PCD3.C module holder
Yes
––
Processing time [µs]
bit operation
word operation
0.1…0.8 µs
0.3 µs
Real time clock (RTC)
Yes
On-Board memory
Programmemory, DB/TEXT (Flash)
2 MByte
User memory, DB/TEXT (RAM)
1 MByte
128 KByte
Flash memory (Program, S-RIO and configuration)
128 MByte
User flash file system (INTFLASH)
128 MByte
––
PCD media:
Register
Flag
DB/TEXT
16384
16384
8192
16384
16384
8192
On-Board interfaces
USB 1.1
Yes
No
Ethernet 10/100 Mbit/s, full-duplex, auto-sensing/auto-crossing
ETH1
ETH2.x (2 port switch)
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
––
Optional communication interfaces
I/O slot 0:
PCD3.F1xx modules for RS-232, RS-422, RS-485 and Belimo MP-Bus
Yes
No
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
Yes
No
Other features
Communication protocols/systems (BACnet, Modbus, LonWorks, DALI, M-Bus…)
As PCD3.M6860
without 2nd Ethernet
No
Automation server (web server, FTP server, e-mail, SNMP, flash file system…)
Yes
No
Connection and operation of PCD3.T668 remote I/O
Number of supported RIO stations
No
––
Yes
64
Connection and operation of PCD3.T665/T666 remote I/O
Number of supported RIO stations
Yes
64
No
––
Access to the I/O slots in the basic housing as well as to the PCD3.Cxxx I/O terminal bases
Yes
No
