wtw DIQ/S 182-MOD System Operating Manual page 92

Relay outputs
Output with one relay
Output with two relays
6 - 8
Switching frequency f or
Pulse width v
100
90
10
0
1
2
Fig. 6-2 Output with one relay
Switching frequency f or
Pulse width v
100
90
10
0
2
Relay 1
Fig. 6-3 Output with two relays
1 Start value
Measured value with a minimum pulse width or switching
frequency
2 End value
Measured value with a maximum pulse width or switching
frequency
Proportional
band
Measured value
Proportional bands
Relay 1 and 2
1
1
2
Relay 2
System 182
Measured value
ba75504e07 04/2012