Hach-lange SC 1000 User Manual download pdf (Page 150)

148

A.7 Dismantle the DIN rail

1. Delete the module(s) in the sc1000 controller.

2. Remove power and disconnect all cable connections to the module(s).

3. Separate the module(s) on the DIN rail by sliding it to one side.

4. Use a suitable tool (i.e., screw driver) to pull down on the rear of the module.

5. Tip the bottom of the module away from the DIN rail and lift to remove.

Figure 80 External input module

5678

1234

I= 100 mA via Base Module

IP 20

Input Module LZX921

0...20mA

Analog

Input 1

Input 2

+5 V

Digital

+5 V

180

0...20mA

180

LZX921

Input Module

Status

2x 0...20 mA

(2x digital)

Table 53 Analog and digital input terminal assignments

Terminal

Analog Digital

Assignment Description Assignment Description

1–4 Not used — Not used —

5 Input –

Analog Input 1

Not used —

6 Shield Not used —

7 Input + Contact 1

Digital Input 1

8 Not used — Contact 2

9 Input –

Analog Input 2

Not used —

10 Input + Contact 1 Digital Input 2

11 Shield Not used —

12 Not used — Contact 2 Digital Input 2

13–16 Not used — Not used —

1 2 ... 145 146 147 148 149 150 151 152

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