Power Line Wiring; Preliminary Hardware Settings - ero electronic LDS Manuel De Service

A) POWER LINE WIRING A) POWER LINE WIRING A) POWER LINE WIRING A) POWER LINE WIRING A) POWER LINE WIRING
N
10
POWER LINE
100 V to 240 V AC (50/60Hz)
or 24 V AC/DC
9
R (S,T)
Fig. 3 POWER LINE WIRING
NOTE NOTE NOTE NOTE NOTE:
1) Before connecting the instrument to the power
line, make sure that line voltage corresponds to
the descrtiption on the identification label.
2) To avoid electric shock, connect power line at
the end of the wiring procedure.
3) For supply connections use No 16 AWG or larger
wires rated for at last 75 °C.
4) Use copper conductors only.
5) Don't run input wires together with power cables.
6) For 24 V AC/DC the polarity is a do not care
condition.
7) The power supply input has NO fuse protection.
Please, provide externally a T type 1A, 250 V
fuse.
8) The safety requirements for Permanently Con-
nected Equipment say:
- a switch or circuit-breaker shall be included in
the building installation;
- It shall be in close proximity to the equipment
and within easy reach of the operator;
- it shall be marked as the disconnecting device
for the equipment.
NOTE NOTE NOTE NOTE NOTE: a single switch or circuit-breaker can drive
more than one instrument.
lxs-1-0f.pmd 5
PRELIMINARY HARDWARE PRELIMINARY HARDWARE
PRELIMINARY HARDWARE PRELIMINARY HARDWARE PRELIMINARY HARDWARE
S E T T I N G S S E T T I N G S S E T T I N G S S E T T I N G S S E T T I N G S
1) Remove the instrument from its case.
2) Set the internal switch V2 in open condition
V2
3) These device are able to
detect leads break for TC and
SH401
RTD inputs. It shows this
CH401
status as an overrange
condition as standard factory
setting.
For termocouple input only, it
is possible, if underrange
indication is desired, to set
SH401 and CH401 in
accordance with the following
table .
Fig. 9
SH401 CH401
open close overrange (standard)
close open underrange
GB GB GB GB GB 5
16/01/2004, 9.29
Indication