Operating Instructions
Frequency Converter FM-1D/K
Digital-analogue-converter
and flow rate indicator for water meters
Contents
1.
Description
2.
Mounting
3.
Connection
4.
Calibration by hand
5.
Protection
6.
Test mode
7.
Operation
8.
Lightning protection
9.
Trouble shooting
10.
Replacing fuses
1. Description
FM-1D/K is a µP-controlled frequency
converter with display.
It converts pulses into proportional cur-
rent for flowrate display.
Input from the pulsers are converted to:
• Standardized current
• Pulse totalization
• LED display
2. Mounting
Snap action on
35mm top hat
rail acc. to EN
50022
remove from
top hat rail
Wall mounting
with two screws
M5
M4
50
60
85
+ Sensor -
U+
N
PE
24 VAC/DC
12345678
+
-
+
-
FM-1D/K
select
