Hach sc100 User Manual page 18

Installation
Table 2 AC Power Wiring Information (sc100 AC powered model only)
Terminal Number Terminal Description Wire Color Code for North America
1
2
3 Protective Earth (PE)
Table 3 DC Power Wiring Information (sc100 24 VDC powered model only)
Terminal Number Terminal Description Wire Color Code for North America
1
2
3 Protective Earth (PE)
Figure 13 sc100 Wiring Connections
S1
14
13
J4
12
1. J1—Network connector
2. J2—Header for optional network interface card
3. J5—Relay A connector
4. J6—Relay B connector
5. J7—Relay C connector
6. Fuses (F1, F2)
7. J8—Power connections
a. AC Power connection (AC powered sc100 model only)
b. DC Power connection (24 VDC sc100 model only)
18
Hot (L1)
Neutral (N)
+24 V dc
24 V dc return
The DC power source that supplies power to the 24 VDC powered sc100 must maintain
voltage regulation within the specified 24 VDC –15% +20% voltage limits. The DC power
source must also provide adequate protection against surges and line transients.
1 2
J1
J3
J2
U5
J5
U9
NETWORK
INTERFACE
CARD
J6
11 10
Black
White
Green
Red
Black
Green
3 4
NC NO NC
COM COM
RELAY A RELAY B
9
8. Sensor connector
9. Sensor connector
10. J6—Analog output (4–20 mA) connector
11. J5—Sensor connector for hard-wiring
12. Position for network interface card
13. Service port
14. Sensor terminator selector/service port configuration
Wire Color Code for Europe
Brown
Blue
Green w/yellow tracer
Wire Color Code for Europe
Red
Black
Green w/yellow tracer
5
NO NC NO
COM
RELAY C
8
6
7
7a
7b