Connecting/Wiring The Digital Gateway To The Sc100 Controller; Connecting The Digital Gateway Sensor In A Non-Hazardous Location; Attaching The Digital Gateway With A Quick-Connect Fitting In A Non-Hazardous Location - Hach 6120118 User Manual

Sensor (wire color) Sensor Signal without Ground Rod
2
Metal Braid
White
Red
Blue
Clear
not used
1
Some applications require the use of an external ground rod with the combination electrode. Use this wiring scheme for
these applications.
2
If Metal Braid is "tinned", cut the tinned area off and twist the wire to insert into connector.
3
Customer-supplied (required)

3.2 Connecting/Wiring the Digital Gateway to the sc100 Controller

3.2.1 Connecting the Digital Gateway Sensor in a Non-hazardous Location

3.2.1.1 Attaching the Digital Gateway with a Quick-connect Fitting in a Non-hazardous Location

Table 3 Wiring the Digital Gateway (Cat. No. 6120800)
Jumper 2 from J3-1 to J3-3
Temp +
Temp –
Ref
Active/Measuring
not used
DANGER
The sc100 and certain versions of the sensor are suitable for use in Class 1,
Division 2, Groups A, B, C, D Hazardous Locations . See Control Drawing 58600-78
in the sc100 Controller Manual, Cat. No. 58600-18 for acceptable sensor versions
and installation requirements.
DANGER
Le sc100 et certaines versions du capteur peuvent être utilisés dans des endroits
dangereux de la Classe 1, Division 2, Groupes A, B, C, D. Reportez-vous au schéma
de contrôle 58600-78 du Manuel du contrôleur sc100, Réf. 58600-18 pour connaître
les versions des capteurs admises et les conditions d'installation.
The digital gateway should be wired to the sensor before connecting to the controller.
Important Note: The standard quick-connect fitting is NOT suitable for Class 1, Division 2
Hazardous Location installations without the connector lock installed, see
page 13 for more information.
The digital gateway is supplied with a keyed quick-connect fitting for easy attachment
to the controller, see Figure
case the sensor must be removed. Optional extension cables may be purchased to extend
the sensor cable length. If the total cable length exceeds 100 m (328 ft), a termination box
must be installed. See Replacement Parts and Accessories on page
Sensor Signal with Ground Rod
3
Ref
Temp +
Temp –
Solution Ground
Active/Measuring
not used
7. Retain the connector cap to seal the connector opening in
Installation
1
Digital Gateway
J3-1
J3-2
J3-3
J3-4
J1-5
J1-6
section 3.2.1 on
37.
13