SBC PCD2.A200 Output module, 4 relays, 250 VAC/2 A Datasheet
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Data sheet www.sbc-support.com
PCD2.A200
Digital output module,
4 relays, 250 VAC/2 A,
'make' contact, contact protection
The module contains 4 relays with normally-open contacts for direct or alternating current up to 2 A, 250 VAC. The contacts are protected by a varistor and an RC element. The module is especially suited wherever perfectly isolated AC switching circuits with infrequent switching have to be controlled.
Technical data
Number of outputs 4, electrically isolated make contacts
Type of relay (typical)
Switching capacity
(contact lifetime)
Relay coil supply 2)
Voltage tolerance, dependent on ambient temperature
RE 030024, SCHRACK
2 A, 250 VAC AC1 0.7 × 10⁶ operations
1 A, 250 VAC AC11 1.0 × 10⁶ operations
2 A, 50 VDC DC1
1 A, 24 VDC DC11
0.3 × 10⁶ operations 3)
0.1 × 10⁶ operations 1)3) nominal 24 VDC smoothed or pulsed,
8 mA per relay coil
20 °C: 17.0 … 35 VDC
30 °C: 19.5 … 35 VDC
40 °C: 20.5 … 32 VDC
50 °C: 21.5 … 30 VDC
Output delay
Resistance to interference acc. to IEC 801-4
Internal current consumption
(from +5 V bus) typically 5 ms bei 24 VDC
4 kV under direct coupling
2 kV under capacitive coupling
(whole trunk group)
1 … 15 mA typically 10 mA
Internal current consumption
(from V+ bus)
0 mA
External current consumption max. 32 mA
Terminals Type L: Pluggable 10-pole screw terminal block
(4 405 4847 0), for wires up to 1.5 mm²
1) With external protective diode
2) With reverse voltage protection
3) These ratings are not UL-listed
LEDs and connection terminals
Bus connector
Bus interface
Relays
A3 A2 A1 A0
9 8 7
A3
6 5
A2
4 3
A1
2 1
A0
0
Contact protection
LEDs
Screw terminals
Relay contacts
Supply 24 VDC for Relay coils
In the manual 27-600_ENG, in the Chapter appendix A.4 relay contacts, are calculation data and wiring suggestions or the relay contacts.
These data should be absolutely considered for safe switching and a long life span of the relays.
Installation instructions
For reasons of safety it is not permissible to connect low voltages (up to 50 V) and higher voltages (50 … 250 V) to the same module.
If a Saia PCD® module is connected to a higher voltage (50 … 250 V), approved components for this voltage must be used for all elements that are electrically connected to the system.
Using higher voltage (50 … 250 V), all connections to the relay contacts must be connected on the same circuit, i.e. in such a way that they are all protected against one AC phase by one common fuse. Each load circuit may also be protected individually. .
Output circuits and terminal designation
LED
0
1
2
3
Adress
LED A3
Output
A0
A1
A2
A3
VDR = 250 VAC/400 A
R = 33 Ohm
C = 10 nF
9 8 7
A3
6 1
A0
0
24 VDC Isolated contacts
Contact protection
Relay contacts
Terminals
Relay energized (contact closed): LED on
Relay reset (contact open): LED off
24 VDC must be connected to the +/- terminals.
With an open relay contact, the current leakage through the contact protection is 0.7 mA (at 230 V / 50 Hz).
This should be taken into account for smaller AC loads.
If this is too high, it is recommended to use a PCD2.A220 Module (without contact protection).
Watchdog: This module can be used on all base addresses; there is no interaction with the watchdog on the CPUs. For details, please refer to the “Watchdog” section of the manual 26-856_ENG, which describes the correct use of the watchdog in conjunction with PCD2 components.
I/O modules and I/O terminal blocks may only be plugged in and removed when the Saia PCD® and the external +24 V are disconnected from the power supply.
EAC Mark of Conformity for Machinery Exports to Russia, Kazakhstan or Belarus.
Ordering information
Type
PCD2.A200
Short description
4 relays with make contacts, with contact protection
Accessories
Type
4 405 4847 0
Short description
Plug-in, type L
Description
Digital output module, 4 relays, 250 VAC/2 A, 'make' contact, contact protection
Weight
60 g
Description
Plug-in screw terminal block, 10-pin (type L) for wires up to 1.5 mm 2 , labelling 0…9
Weight
17 g
2
Saia-Burgess Controls AG
Bahnhofstrasse 18 | 3280 Murten, Switzerland
T +41 26 580 30 00 | F +41 26 580 34 99 www.saia-pcd.com
[email protected] | www.sbc-support.com
PP31-500 ENG06 10-2016 Technical data and information subject to change.

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