Hach sc1000, User Manual

Page: 22 / 64

22
Installation
Figure 18 Wiring for 24 VDC Power
3.5 DIN-Rail Expansion Modules
The sc1000 controller system can be expanded with DIN-Rail expansion modules.
Each expansion module has an address on the sc1000 network and can be programmed
as required.
The following DIN-Rail Module options can be installed:
• Base Module (for connecting power, sc1000 network, and display module)
• Relay card with 4 relays
• mA output card with 2 outputs
• mA input card with 2 inputs (analog or digital)
Refer to the DIN-Rail Expansion Module Instruction Sheet (Cat. No. 6179689) for
installation instructions.
1. 24 VDC power terminal block 3. Strain Relief
2. Cable
Table 7 DC Power Wiring Information
Terminal Number Terminal Description Wire Color Code for North America
L +24 VDC Red
N 24 VDC Return Black
Protective Earth (PE) Green
2
3
1
客服：400 688 9809
网址：www.mamots.com 电话：0431-85178766