Define Instruments TEX-BAR Manual page 7

3.5 - Wire the serial port (if installed)
See 3.1E
If your controller has serial port fi tted, wire it as
shown in the applicable diagram.
› S2R RS232, RJ11 terminal
› S4S RS485, screw terminal
3.6 - Wire the function pins
See 3.1B
Connect external switches to enable a function
to be executed when its switch is activated.
› Hold Holds the current display value
› Test Resets the meter
3.7 - Wire the power supply
Wire your controller for either low or high voltage power supply, as shown in the
diagrams below. Check the label on the unit against the colour of the connector:
› Orange = High voltage
(85–265V AC, 95–370V DC)
› Black = Low voltage
(15–48V AC, 10–72V DC)
Once you have completed the
wiring process it is safe to switch
on your power supply.
NEVER CONNECT YOUR LOW VOLTAGE UNIT TO MAINS POWER.
Copyright © 2015 Defi ne Instruments
High voltage
HV power
(–HV)
supply
Low voltage
LV power
(–LV)
supply
–S2R (RS232)
N/C
SGND
+5V DC (option)
RXD
TXD
N/C
–S4S (RS485)
D -
D +
SGND
Hold
NC
Test
COM
NC
+DC/live AC
–DC/neutral AC
+DC/live AC
–DC/neutral AC
TEX-BAR-MAN-15V05 (0903)
7
See 3.1C