ONLINE ELECTRONICS LTD
ID5002P MANUAL RevA01
Page 17 of 21
3.9.1.
0V
0V is the 0V reference for the internal PCBs. 0V should be linked to the ENCLOSURE connection
to improve electrical noise immunity.
3.9.2.
VIN
VIN is connected to the positive side of the external DC supply. The negative side
of
the
external DC supply is connected to 0V.
A GM International, PSD5201, intrinsically safe, isolated, power supply must be used at all
times.
VIN is not isolated from 0V however the use of a PSD5201 supply provides isolation from
earth.
3.9.3.
VBAT
Do not use the VBAT connection.
VBAT is not isolated from 0V.
3.9.4.
EXTSW
Do not use the EXTSW connection.
EXTSW is not isolated from 0V.
3.9.5.
INTSW
The ID5002P is supplied with a suitable, momentary, NO switch connected between INTSW
and 0V.
EXTSW is not isolated from 0V.
3.9.6.
SEN+ / SEN-
The ID5002P is supplied with a suitable sensor connected between SEN+ and SEN-.
The sensor is supplied with a shielded cable. The cable shield is connected to the sensor body
which is isolated from SEN+ and SEN-. The cable shield is connected to the main ID5002P
enclosure using a suitable gland or via ENCL connection.
SEN+ / SEN- are not isolated from 0V.
3.9.7.
TRIG+ / TRIG-
Do not use the TRIG+ / TRIG- connections.
TRIG+ / TRIG- are isolated from 0V and all other connections.