Hach-Lange SC 1000 - Manual (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
5
6
7
8
1
2
3
4
I= 100 mA via Base Module
IP 20
Input Module LZX921
0...20mA
11
9
10
+
-
Analog
Input
1
Input
2
12
9
11
+5 V
L H
10
12
Digital
5
6
+5 V
L H
7
8
180
0...20mA
6
5
7
+
-
8
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 —