HF040TEN_v0402_03 Atex_IECEx_CSA_FM
Page 18
4.4.2. TERMINAL
CONNECTORS
WITH POWER SUPPLY - TYPE : PB / PX
For Intrinsically Safe applications: read chapter 5.
The following terminal connectors are available:
Fig. 8: Overview of terminal connectors F040-T-(PB / PX) and options.
REMARKS: TERMINAL CONNECTORS:
Terminals 1-4; Sensor input type T – PT100
:
See drawing above for the proper connection of a 2, 3 or 4 wire PT100 sensor. The sensor signal
which will be processed once per second with a 16 bits accuracy.
Terminal 5-6: POWER SUPPLY UNIT - TYPE PX:
To power the unit an internal battery can be used (type PB) and / or an external DC power supply
of 8-30V DC (type PX).
Connect the "
-
" to terminal 5 and the "
+
" to terminal 6. When power is applied to these terminals, the
optional internal battery will be disabled / enabled automatically to extend the battery life time.
Terminal 9-10: power supply backlight - type ZB (option):
To power the backlight, a voltage in the range 20-30V DC has to be connected.
Maximum current 30mA. Connect the "
-
" to terminal 9 and the "
+
" to terminal 10.
5
POWER SUPPLY
UNIT
TYPE: PX
6
1
2
SENSOR SIGNAL
TYPE T: PT100
+
10
POWER SUPPLY
BACKLIGHT
OPTION: ZB
+
4
9
3
PT100 - 2 WIRE
PT100 - 3 WIRE
PT100 - 4 WIRE