Endress+Hauser Liquicap M FTI51 User Manual

Liquicap M FTI51, FTI52 Wiring
Endress+Hauser 51
4.11 Connecting the electronic insert FEI57S (PFM)
The two-wire DC connection is used in conjunction with one of the following Nivotester switching
devices from Endress+Hauser:
• FTC325 PFM,
• FTC625 PFM (from SW V1.4),
• FTC470Z,
• FTC471Z
The PFM signal is between 17 and 185 Hz.
The changeover of failsafe mode (MIN) / (MAX) and the level limit calibration take place on the
Nivotester.
Power supply
Output signal
PFM 17 to 185 Hz (Endress+Hauser)
Connectable load
• Floating relay contacts in the connected switching unit Nivotester FTC325 PFM,
FTC625 PFM (from SW V1.4), FTC470Z, FTC471Z
• For the contact load capacity, refer to the technical data of the switching device.
Supply voltage: 9.5 to 12.5 V DC
Power consumption: < 150 mW
Reverse polarity protection: yes
Separation voltage: 0.5 kV
TI418F52
Frequency: 17 to 185 Hz
Connect the FEI57 (PFM) as follows:
1. Make the connection as shown in the graphic.
2. Turn the cable gland until tight.
!
Note!
Do not switch on the supply voltage until you have
familiarized yourself with the device functions as
described on Page 53 "Operation". This will ensure
that you do not accidentally trigger any processes by
switching on the supply voltage.
3. Switch on the supply voltage.
TI418F53
0mA
0 mA
8mA
8 mA
16 mA
16 mA
PFM
PFM
t
t
–+
11 12
d4 d2
PFM
E
X
E X
EEx ia
12
FEI57S
FTC325
FTC625
FTC470Z
FTC471Z
Nivotester

Endress+Hauser Liquicap M FTI51 Specifications

General

Brand	Endress+Hauser
Model	Liquicap M FTI51
Category	Switch
Language	English