Hardware Manual for the PCD3 Series│Document 26/789; Version E 5│31.01.2005
Saia-Burgess
Controls Ltd.
System resources
PCD3.Mxxx0 Classic CPUs and expansion housings
3-3
3
Vibration resistance
Vibration
according to EN/IEC 61131-2
5...13.2 Hz, constant amplitude 1.42 mm
13.2...150 Hz, constant acceleration (1 g)
Electrical safety
Protection type
IP 20 according to EN 60529
Air/leakage paths
according to DIN EN 61131-2 and DIN EN 50178: between
circuits and bodies and between electrically isolated circuits:
surge category II, fouling level 2
Test voltage
350V / 50Hz AC for nominal unit voltage 24 VDC
Electromagnetic compatibility
Electrostatic discharge
According to EN 61000-4-2: 8 KV: contact discharge
Electromagnetic fields
According to EN 61000-4-3: field intensity 10 V/m, 80...1000
MHz
Bursts
According to EN 61000-4-4: 4 KV on DC supply lines, 4 kV on
I/O signal lines, 1 kV on interface lines
Noise emission
According to EN 50 081-2: Class A (for industrial areas)
Guidance on the correct use of these controls in residential
areas can be found at www.sbc-support.ch (additional
measures).
Noise immunity
according to EN 50 082-2
Mechanism and mounting
Housing material
Module holder:
PC/ABS, light grey, RAL 7035
I/O modules:
PC, transparent blue
Clips:
PAM, orange, RAL 2003
Fibre optics:
PC, crystal-clear
Mounting rail
Top-hat rail according to EN 50022-35 (35 mm)
Connections
Terminal
blocks
Spring
terminals
10-pole
Screw
terminals
10-pole
Spring
terminals
14-pole
Spring
terminals
24-pole
Earth
terminal
Terminal
2-pole
supply
X-section
stranded
single wire
0.5...2.5 mm²
0.5...2.5 mm²
0.5...2.5 mm²
0.5...2.5 mm²
0.5...1.5 mm²
0.5...1.5 mm²
0.5...1.0 mm²
0.5...1.0 mm²
0.08...
2.5 mm²
0.5...
1.5 mm²
The terminal blocks may only be plugged into 20 times. They must then be replaced, to guar-
antee a reliable contact
Length of
insulation
7 mm
7 mm
7 mm
7 mm
5...6 mm 7 mm
3.3
System resources
3.3.1 Program blocks
Type
Number Addresses
Remarks
Cyclic organization blocks
(COB)
16
0...15
Main program elements
Exception/system-dependent
organization blocks (XOB)
32
0...31
Called from the system
Program blocks (PB)
300
0...299
Sub-programs
Function blocks (FB)
1000
0...999
Sub-programs with parameters
