Hach SC4500 User Instructions page 5

Explosion hazard. Connect only peripheral components that are clearly marked as
certified for Class 1, Division 2 Hazardous Locations.
Never connect any sensor or digital or analog module to an SC Controller that is not clearly marked
as certified for Class 1, Division 2 Hazardous Locations.
2.2 Icons used in illustrations
Manufacturer
supplied parts
2.3 Product overview
The 4–20 mA output module is an expansion card that supplies five 4–20 mA analog output
connections to the SC4200c and SC4500 controllers. The module connects to the expansion
modules slots inside the controller. The analog outputs are commonly used for analog signaling or to
control other external devices.
2.4 Product components
Make sure that all components have been received. Refer to
damaged, contact the manufacturer or a sales representative immediately.
Figure 1 Product components
1 Module connector
2 4-20 mA output module
Section 3 Installation
Multiple hazards. Only qualified personnel must conduct the tasks described in this
section of the document.
D A N G E R
User supplied
parts
D A N G E R
Look Listen
Figure 1. If any items are missing or
3 Label with wiring information
Do one of these
options
English 5