User manual

Berghof Automationstechnik Analog I/O expansion module
2VF100051FE01.doc 2D0172002ZD00.DOC 11
Digital resolution 11 bit + sign
Data format 16 bit, integer
Digital value output under overload
Exceeding permissible measuring range:
Falling below permissible measuring range:
+ 32752 (+9,995 V)
- 32768 (-10,000 V)
Common mode characteristics:
- common mode rejection
³ 70 dB
Dynamic characteristics:
Max. system input transfer time
per channel (TAID+TAIT)
<1ms
see documentation on function blocks CP1131 or CPC++
Sampling interval per channel 1 µs
Sampling repetition time per channel
>1 ms
see documentation on function blocks CP1131 or CPC++
Input filter characteristic
- order
- transfer frequency
1st order
approx. 10 kHz
General characteristics:
Conversion method successive approximation; no error codes
Protection devices diodes
Insulation test voltage
between analog converter and E bus
DC 500 V
Analog outputs
Static characteristics:
Output type 4 x voltage (U), floating; ±10 V
Output impedance in signal range < 0.5 Ohm
Analog output error:
- greatest error at 25°C
- temperature coefficient
±0.15% of maximum scale value
±0.01% of maximum scale value/°K
Greatest error over full
temperature range
±0.3% of maximum scale value
Digital resolution 11 bit + sign
Value of least significant bit (LSB) 4.883 mV
Dynamic characteristics
Overall system output transfer
time per channel (TAQD + TAQT)
<1 ms
Transient time when
alternating over the full range
<1 ms
Overshoot typically 0.5%, load-dependent
General characteristics
Type of protection devices
permanently short-circuit proof; I
Kmax
= 25 mA,
supply polarity-reversal-protected
Insulation test voltage between
analog converter and E bus
DC 500 V
Permissible load types R, (C)
Permissible capacitive load <1000 pF
Output response for power supply
connecting/disconnecting processes..
typical spike: U = 0.1 V; t <10 ms
Behaviour is strongly dependent on the connected load
Various characteristics
Output ripple < 1 LSB
Output current max. 5 mA
Common mode range +/- 2 V