9
RELAY WIRING DIAGRAM (FOR RELAY 1 & RELAY 2)
HOLD AND REED CONNECTION
The alarm is OFF during normal
operation and goes ON according to
Relay settings
The alarm is ON during normal
operation and goes OFF according to
Relay settings
The alarm is off during normal
operation and goes ON according to
Relay setting.
If Imax > 50 mA use external Relay
NO
10
11
12
RELAY 2
NC
COM
Alarm
AC or DC
Power
NO
10
11
12
RELAY 2
NC
COM
Alarm
AC or DC
Power
N.O.
3
4 COM
AC or DC
Power
User
Imax = 50mA
N.O.
3
4 COM
AC or DC
Power
User
Imax = 50mA
lmax = 50mA
N.O.
3
4 COM
AC or DC
Power
User
Imax = 50mA
N.O.
3
4 COM
AC or DC
Power
User
Imax = 50mA
lmax = 50mA
N.O.
N.O.
N.C.
COM
4
3
COM
External Relay
V= 12-24 VAC/VDC
Imax = 50 mA
Imax
Imax
+V
-V
lmax = 50mA
- HOLD
+ HOLD
18
17
19
20
- REED
+ REED
12-24
VDC
OPERATIONAL OVERVIEW
The M9.07 Dual-Parameter Conductivity and Flow Monitor & Transmitter
features a full graphic display and a five-button keypad for system set-up,
calibration and operation. Full graphic display has a white backlight during
standard conditions, a green backlight in case a external device control is
activated (ON/OFF, PROPORTIONAL FREQUENCY, PROPORTIONAL
PULSE and TIMED PULSE), a red backlight in case a set alarm is activated
O.V.A. , O.T.A., MIN, MAX related to conductivity measurement and MIN, MAX
WINDOW related to flow measurement, always with priority). The five push
buttons of the keypad are used to navigate display levels and modify settings.
The function of each button may change according to display level; please
refer to following table:
Connection to an User