Endress+Hauser Nivotester FTL325P - Page 25

Nivotester FTL325P, 3-channel Commissioning
Endress+Hauser 25
8.2.8 CH1 + CH2 + CH3, MAX safety mode with fault signaling CH1
rd
ye
CH1, CH2
ye
rd
gn
gn
gn
ye
rd
CH1
MODE 3
CH2(+3)
ca. 150 Hz
ca. 50 Hz
0 Hz
1
2
0 V
I
t
I
t
I
t
I
t
0 Hz
15 16
15 16
15 16
15 16
CH2 CH3
CH
CH
CH
CH
2
2
1
1
1
1
2
2
3
3
3
3
22 23 24
26 27 28
22 23 24
26 27 28
22 23 24
26 27 28
22 23 24
26 27 28
4
4
4
4
5
5
5
5
6
6
6
6
1 2
1 2
ON
ON
MAX
MAX
MAX
A0039203
 23 Switching behavior and signaling
Point level at three tanks
• 1 sensor connected at input channel 1 (terminals 7 and 8)
Relay output of channel 1 switches in accordance with input channel 1
• 1 sensor connected at input channel 2 (terminals 33 and 34)
Relay output of channel 2 switches in accordance with input channel 2
• 1 sensor connected at input channel 3 (terminals 37 and 38)
Relay output of channel 3 switches in accordance with input channel 3
Fault signaling for input channels 1, 2 and 3 is switched on.