Electrical Connection; Signal Output; Starting Up; Figure 6 Electrical Connection Pma 20 - M&C PMA Series Instruction Manual

14

ELECTRICAL CONNECTION

The electrical connection is done at the terminals in the connection box below the analyser:

Loosen the two screws of the lid end remove it.
C AU T I O N !
Power
PE L N
X1
Figure 6

Lead power cable with wire cross section 2,5mm
range 8-12mm cable diameter and connect according to figure 6 at terminal X1.

Check wether service-power-switch (SW1), which is located to the left of terminal X2, is in
position 1 (left position).
14.1

SIGNAL OUTPUT

The PMA 20 has two signal outputs as standard. One signal is 0-1V for 100% O
the chosen measuring range). The second signal is 0-20 or 4-20mA according to the order with a
burden of 500Ohm for each measuring range. The output signals are not galvanically isolated.

Lead signal cable with wire cross section 1,5mm
ing range 6-8mm cable diameter and connect according to figure 6 at terminal X 2.

Remount lid.
15

STARTING UP


Check electrical connections and gas connections.

Turn measuring range selection switch from „0" to the desired measuring range. The ana-
lyser is ready for operation immediately.

Check mechanical zero of the indication; if necessary adjust zero position by turning the
slotted screw in the pane of the indication instrument.

Turn measuring range selection switch to 30%.

Switch on mains voltage.

The indication instrument shows 21% O
for heater control lights up permanently.
14
False supply voltage can damage the equipment. When connect-
ing the equipment, please ensure that the supply voltage is iden-
tical with the information provided on the model type plate!
SW1
Electrical connection PMA 20
PMA20 | 1.00.01
Signal output
0 +
mA
X2
2
through the left cable gland with clamping
2
through the right cable gland with clamp-
with ambient air in the measuring cell and the LED
2
www.mc-techgroup.com
0 +
mV
(independent of
2