Maxima MPG Cod. EM00136006
rev. 1.1
12
9
14
13
12
11
10
1
6
2
5
4
3
7
8
Fig. 20:
Connection Diagram
POWER SUPPLY
1
Phase
2
Neutral
ALARM REPETITION OUTPUT RELAY
3
Normally Open (NO)
NO = PIN 3 + PIN 4
4
Common
5
Normally Closed (NC)
NC = PIN 4 + PIN 5
PAUSE AND FLOW CONTROL
6
Pause
PAUSE = PIN 6 + PIN 8
7
Flow Control
FLOW CONTROL = PIN 7 + PIN 8
8
GND
LEVEL SENSOR
8
GND
Level alarm
with
pump cut-out = PIN 8 + PIN 9
9
Lev
10
Pre-alarm
Level alarm
without
pump cut-out = PIN 8 + PIN 10
EXTERNAL SIGNAL INPUT
11
GND
FREQUENCY SIGNAL = PIN 11 + PIN 12
12
Frequency signal input
CURRENT SIGNAL = PIN 11 (
-
pole) and PIN 13 (
+
pole)
13
Current signal input
14 NOT USED
WARNING:
The level and frequency contacts ONLY accept voltage-free signals.
