Saia-Burgess Controls AG
Manual Manual PCD 1 / PCD 2 Series │ Document 26 / 737 EN22 │ 2013-11-26
5
Input/output (I/O) modules
5-24
Digital output modules
5.4.2 PCD2.A400, 8 digital outputs for 0.5 A each
Application
Low cost output module with 8 transistor outputs 5 … 500 mA, without short circuit
protection. For non-isolated circuits in the voltage range 5 … 32 VDC.
Technical data (for version “B”)*
Number of outputs: 8, electrically connected
Output current: 5 … 500 mA (leakage current max. 0,1 mA)
Within the voltage range 5 … 24 VDC, the load resistance
should be at least 48 Ω
Total current per module: 4 A on 100 % duty cycle
Operating mode: Source operation (positive switching)
Voltage range: 5 … 32 VDC, smoothed
10 … 25 VDC, pulsed
Voltage drop: ≤ 0.4 V at 0.5 A
Output delay: Switch-on delay typically 10 µs
Switch-off delay typically 50 µs
(ohmic load 5 … 500 mA), longer with inductive load, be-
cause of the protective diode.
Resistance to interference:
acc. to IEC 801-4
4 kV under direct coupling
2 kV under capacitive coupling
(whole trunk group)
Internal current consumption:
(from +5 V bus)
1 … 25 mA
typically 15 mA
Internal current consumption:
(from V+ bus)
0 mA
External current consumption: Load current
Terminals: Pluggable 10-pole screw terminal block
(4 405 4847 0), for wires up to 1.5 mm²
* Version “B” available since February 1995
(Version “A” was tted with bipolar transistors. These had a shorter recovery
time, but also a higher residual voltage, resulting in a restriction on 100 %
loading)
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