Ref: REFLEX/SCANFLEX MANUAL
EDITION 1: JULY ’97 3
Electrical Connections - Single Point Applications
The instrument has two-part screw terminals. It can be powered from either an AC or DC
supply.
Figure 2:
AC power supply - connected:- Earth to terminal 1
Neutral to terminal 2
Live to terminal 3
The instrument will automatically accept either 110V or 230V AC ±10%, 50Hz or 60Hz,
12VA. A time lag fuse T160mA is fitted.
DC power supply - connected :- Positive +ve to terminal 27
Negative -ve to terminal 28
The instrument will accept 24V DC + 25%, - 10%. 9W.
A time lag fuse T315mA is fitted.
5 SPDT Relays - rated 8A/250V AC/30V DC resistive, with gold plated contacts for lower
power switching, are connected to terminals 4 to 18, for controlling external alarms, contactors,
pumps etc..
Transducer RXV15 Series - is connected:- Black to terminal 19
See Page 50 Blue to terminal 20
Screen to terminal 21
Transducer RXT15 Series - is connected:- Screen to terminal 19
See Page 50 Blue to terminal 20
Black to terminal 22
Transducer RXM19 - is connected:- Core to terminal 20
See Page 51 Screen to terminal 19
Transducer RXM19ER - is connected:- Core to terminal 20
See Page 52 Screen to terminal 19
Analogue Output - is connected :- Screen to terminal 24
(Isolated on AC units only) Positive +ve to terminal 25
Negative -ve to terminal 26.
Separate Temperature Sensor - connected with a shielded twisted pair and connected:-
( Screen to terminal 21
Must enable Pr.37 ( Core* to terminal 22 * Polarity of cores is
( Core* to terminal 23 unimportant
Communications RS485 & RS232 - Contact Hycontrol for separate document.
1 2 3
E N L
L2 L1
AC POWER
110/230 VAC
+10%/-10%
50/60 HZ 12VA
19 20 21 22 23 24 25 26
27 28
+ -
DC POWER
21.6-30VDC
9W
ISOLATED
ANALOG
OUTPUT
SHIELD
HOT.BLUE
BLACK
+
-
TEMP
SENSOR
TRANS-
DUCER
SHIELD
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
RELAY 1
RELAY 3
RELAY 4 RELAY 5
RELAY 2