Hardware Manual PCD 1 / PCD 2 Series│Document 26 / 737│Edition EN 15│2008-07-22
Saia-Burgess Controls AG
PCD2.W10xInput/output (I/O) modules5
5.7.1 PCD2.W10x, analogue inputs, 4 channels, 12 bit resolutionPCD2.W10x, analogue inputs, 4 channels, 12 bit resolution
High-speed module for general use for recording analogue signals with a conversion
time of ≤ 30 μs and a resolution of 12 bits.
Module overview
PCD2.W100 4 channels for signals 0 ... 10 V
Unipolar*): 0 V ... +10 V or -10 V ... 0 V
Bipolar*): -10 V ... +10 V
Input resistance: >10 MΩ
PCD2.W105 4 channels for signals 0 ... 20 mA
Unipolar*): 0 ... +20 mA or -20 ... 0 mA
Bipolar *): -20 mA ... +20 mA
Circuit resistance (Rshunt): 100 Ω/0.1 %
*) Unipolar - bipolar, switchable with jumper
Technical dataSignal ranges see module overview
Galvanic separation no
Resolution (digital representation) 12 bits (0 ... 4095)
Measuring principle differential
Conversion time ≤ 30 μs
Input resistance W100: >10 MΩ W105: 100 Ω/0.1 %
Accuracy at 25 °C
(of measured value)W100: ± 0.1 % + ± 1 LSB bipolar
W100: ± 0.05 % + ± 1 LSB unipolar
W105: ± 0.2 % + ± 1 LSB unip/bip.
Repeating accuracy ± 1 LSB
Common mode range (CMR) W100: ± 11 V W105: ± 8 V
Common mode rejection (CMRR) > 70 dB
Temperature error (0 ... +55 °C)W100: ± 0.2 % + ± 2 LSB
W105: ± 0.3 % + ± 2 LSB
Overvoltage protection (W100) ± 60 VDC (permanent)
Overcurrent protection (W105) ± 50 mA (permanent)
Burst protection
capacitive coupling (IEC 801-4)± 1 kV, with unshielded cables
± 2 kV, with shielded cables
Time constant of input filter 3 ms
Internal current consumption:
(from +5 V bus)45 mA
typ. 20 mA
Internal current consumption:
(from V+ bus)15 mAExternal current consumption: 0 mA
Terminals: Pluggable 10-pole screw terminal block
(4 405 4847 0), for wires up to 1.5 mm²