Ametek Drexelbrook ThePoint Series, Инструкция по установке и эксплуатации, Страница: 14 / 70

ThePoint Series
8
2.4 Input Wiring
WARNING:
If ThePoint instrument is located in a hazardous environment,
do not open enclosure cover or make/break any electrical
connections without first disconnecting electrical power at
the source. Ensure that wiring, electrical fittings and conduit
connections conform to electrical codes for the specific location
and hazard level.
ThePoint instrument uses a universal power supply and
can be operated from any source between 19 to 250 VAC or
18 to 200 VDC. The universal power supply automatically
detects input voltage regardless of polarity and does not require
jumper changes. See Figure 2-3.
Figure 2-4
Relay Wiring
19 to 250 VAC
18 to 200 VDC
Auto-Detecting Without Jumpers
3 2
L2 L1
1
G
GND
Figure 2-3
Input Wiring
2.5 Output Wiring – Relay Version
ThePoint series instrument is supplied with two sets of contacts
using one 5A DPDT alarm relay. See Figure 2-4.
IMPORTANT
Ground Must be Provided for Proper Operation and Safety.