Hach sc100 User Manual page 23

Figure 18 Attaching the Sensor using the Quick-connect Fitting
J1 J1
S1 S1
J2 J2
U5 U5
J4 J4
NETWORK NETWORK
INTERFACE INTERFACE
CARD CARD
3.5.1.2 Hard-wiring a sc Sensor to the Controller
J3 J3
J5 J5 J5 J5
U9 U9
J6 J6
1. Open the controller cover.
2. Disconnect and remove the existing wires between the quick connect and terminal
block J5, see Figure
3. Remove the quick connect fitting and wires and install the threaded plug on the
opening to maintain the environmental rating.
4. Strip the insulation on the cable back 1-inch. Strip ¼-inch of each individual wire end.
5. Pass the cable through conduit and a conduit hub or a strain relief fitting and an
available access hole in the controller enclosure. Tighten the fitting.
6. Wire as shown in Table
7. Close and secure the cover.
PCB PCB PCB PCB
CONNECTOR CONNECTOR CONNECTOR CONNECTOR
NC NC NO NO NC NC NO NO
COM COM COM COM
RELAY A RELAY A 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.
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
19.
5.
+ + + +
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 NO NO
COM COM
RELAY C RELAY C
FIELD WIRING FIELD WIRING FIELD WIRING FIELD WIRING
INSULATION MUST INSULATION MUST INSULATION MUST INSULATION MUST
BE RATED TO BE RATED TO BE RATED TO BE RATED TO
80° C MINIMUM 80° C MINIMUM 80° C MINIMUM 80° C MINIMUM
Installation
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