Connecting Contacts; Line Fault Detection; Input (Via Configuration Software Is Pac Wizard); Signal Processing (Via Configuration Software Is Pac Wizard) - Is Pac 9146 Betriebsanleitung

Operating Instructions

7.2 Connecting contacts

Mode of connection for line fault identification (potential free contacts at the I.S. input)
Open circuit identification:
Short circuit identification:
The loading has to carry out in direct proximity of the contact.

7.3 Line fault detection

On the front side of the frequency transmitter is situated a 4 pole DIP switch.
deactivated *)
OFF
channel 1
1
2
channel 2
*) Default set-up
Line faults and loss of power are indicated by LED on the front side, contact (PIN 9) and
common fault contact via the optional pac-Bus (see chapter 7.1). The behaviour of the
output signal can be set as described in chapter 7.6. The line fault detection can be
switched of via the IS pac Wizard software. In this case the DIP switches are without
function. Changing settings via DIP switches during operation is also permitted in Zone 2
and on circuits carrying intrinsically-safe input signals.

7.4 Input (via configuration software IS pac Wizard)

The frequency transmitter offers different operating modes, which are selected depending
on the application. The default set-up is the operating mode "Frequency via period".
Selection
Counter (0...65535)
Overflow:
Frequency via period
Frequency via events
(50, 200 or 1000 ms)

7.5 Signal processing (via configuration software IS pac Wizard)

These selection allows to customize the frequency range for the processing in the module.
The minimum value of the analogue output signal corresponds to the selected minimum
frequency. The same applies for the maximum values. The operator can set-up the
frequency range and refer it to the range of the output signal (0...20mA or 4...20mA).
18
Frequency Transmitter Type 9146
22 kΩ in parallel
2,7 kΩ in series
Line fault detection LF
activated
ON OFF
LF1
1
LF2
2
Description
Received input pulses are counted. The analog output
signal (0/4...20mA) is linearly increased. The maximum
counter value can be set-up.
If the overflow is activated, the counter starts again after
passing the max. value and the analog signal follows.
If the overflow is deactivated, the counter and the analog
signal is locked when the max. counter value is reached.
Reset via DIP switch ADJ (OFF-ON-OFF or ON-OFF-ON)
For measurements in the range of 1mHz to 1kHz
For measurements in the range of 1kHz to 20kHz
ON
LF1
LF2
english
2.7 kΩ
k
22 k Ω