Eliwell EWTQ925 Bedienungsanleitung Seite 9

RTD INPUT RTD INPUT RTD INPUT
RTD INPUT RTD INPUT
RTD
8 9 10
Fig. 4 RESISTANCE TEMPERATURE
DETECTOR CONNECTION
NOTES NOTES NOTES:
NOTES NOTES
1) Do not run input wires together with power line
cables.
2) Pay attention to the line resistance; a resistance
higher than 20 Ω/wire may cause measurement
errors.
3) When shielded cable is used, it should be
grounded at one side only to avoid ground loop
currents.
4) The impedence of the 3 wires must be the
same.
RTD
8 9 10
G B G B G B G B G B
RELAY OUTS RELAY OUTS RELAY OUTS
RELAY OUTS RELAY OUTS
OUT 1
OUT 2
Fig. 5 RELAY OUTS
The OUT 1 NO contact and the OUT 2 contact are
protected by varistors against inductive load with
inductive component up to 0.5 A.
The OUT 1 contact rating is 3A/250V AC on
resistive load.
The OUT 2 contact rating is 2A/250V AC on
resistive load.
The number of operations is 1 x 10
rating.
NOTES: NOTES: NOTES: NOTES: NOTES:
1) To avoid electric shock, connect the power
line at the end of the wiring procedure.
2) For power connections use No 16 AWG or
larger wires rated for at least 75°C.
3) Use copper conductors only.
4) Do not run input wires together with power
line cables.
The following recommendations avoid serious
problems which may occur it when using relay
output to drive inductive loads.
3
NC
3
C
2
NO
1
C
6
NO
7
at specified
5