Installation In Conduit; Installation Using A Power Cord - Hach sc100 User Manual

Installation
Figure 10 Removing Voltage Barrier
J1 J1
S1 S1
J2 J2
U5 U5
J4 J4
NETWORK NETWORK
INTERFACE INTERFACE
CARD CARD
1. High voltage barrier

3.3.1 Installation in Conduit

3.3.2 Installation Using a Power Cord

Figure 11 Using the Optional Strain Relief and Conduit Plug
1. Power cord strain relief
16
J3 J3
J5 J5
U9 U9
J6 J6
In hard-wired electrical applications, the power and safety ground service drops for the
instrument must be 18 to 12 AWG. See
opening sealing plug information. See
DANGER
Use of a power cord is not acceptable in Class 1, Division 2 Hazardous Location
Installation (see Hazardous Location Installation Control Drawing on page
A sealing-type strain relief to maintain the NEMA 4X/IP66 environmental rating and a
power cord less than 3 meters (10 feet) in length with three 18-gauge conductors
(including a safety ground wire) can be used, see
page 43. See Figure 11 on page 16
assembly. See section 3.3.3 on page 17
2
2. Conduit strain relief
PCB PCB PCB PCB
CONNECTOR CONNECTOR CONNECTOR CONNECTOR
NC NC COM COM NO NO NC NC COM COM NO NO
RELAY A RELAY A RELAY A RELAY A RELAY B RELAY B RELAY B RELAY B
DANGER - EXPLOSION HAZARD DANGER - EXPLOSION HAZARD
DO NOT DISCONNECT WHILE CIRCUIT IS LIVE DO NOT DISCONNECT WHILE CIRCUIT IS LIVE
UNLESS AREA IS KNOWN TO BE NON-HAZARDOUS. UNLESS AREA IS KNOWN TO BE NON-HAZARDOUS.
INSULATION MUST INSULATION MUST INSULATION MUST INSULATION MUST
DANGER - RISQUE D'EXPLOSION DANGER - RISQUE D'EXPLOSION
NE PAS DEBRANCHER TANT QUE LE EST SOUS NE PAS DEBRANCHER TANT QUE LE EST SOUS
TENSION, A MONIS QU'IL NE S'AGISSE D'UN TENSION, A MONIS QU'IL NE S'AGISSE D'UN
EMPLACEMENT NON-DANGEROUX EMPLACEMENT NON-DANGEROUX
2. Unsnap the barrier latch then pull out to remove the barrier.
Figure 11 on page 16
section 3.3.3 on page 17
Replacement Parts and Accessories on
for strain relief and conduit opening sealing plug
for wiring information.
3
1 1 + + + + DATA DATA DATA DATA
2 2 – DATA – DATA
3 3 SERVICE REQUEST SERVICE REQUEST
4 4 + + + + V V V V
5 5 GND GND
6 6
1 1 + + + + OUT 2 OUT 2 OUT 2 OUT 2
2 2 – OUT 2 – OUT 2
3 3 SHIELD/CHASSIS GND SHIELD/CHASSIS GND
4 4 + + + + OUT 1 OUT 1 OUT 1 OUT 1
5 5
– OUT 1 – OUT 1
NC NC COM COM NO NO
RELAY C RELAY C
FIELD WIRING FIELD WIRING FIELD WIRING FIELD WIRING
BE RATED TO BE RATED TO BE RATED TO BE RATED TO
80° C MINIMUM 80° C MINIMUM 80° C MINIMUM 80° C MINIMUM
for strain relief and conduit
for wiring information.
3. Conduit opening sealing plug
1
2
10).