Hach sc100 1720E Instrument Manual page 22

Installation
Figure 22 Network Card Position in the Controller
J1 J1
S1 S1
J2 J2
U5 U5
J4 J4
NETWORK NETWORK
INTERFACE INTERFACE
CARD CARD
1
1. J2—Network card header
22
4
J3 J3
J5 J5
U9 U9
J6 J6
2 3
2. Mounting hole (3)
+ + + +
1 1 DATA DATA DATA DATA
2 2 – DATA – DATA
3 3 SERVICE REQUEST SERVICE REQUEST
4 4 + + + + V V V V
5 5 GND GND
6 6
1 1 + + + + OUT 2 OUT 2 OUT 2 OUT 2
2 2 – OUT 2 – OUT 2
3 3 SHIELD/CHASSIS GND SHIELD/CHASSIS GND
+ + + +
4 4 OUT 1 OUT 1 OUT 1 OUT 1
PCB PCB PCB PCB
5 5 – OUT 1 – OUT 1
CONNECTOR CONNECTOR CONNECTOR CONNECTOR
NC NC COM COM NO NO NC NC COM COM NO NO NC NC COM COM NO NO
RELAY A RELAY A RELAY B RELAY B RELAY C RELAY C
FIELD WIRING FIELD WIRING FIELD WIRING FIELD WIRING
INSULATION MUST INSULATION MUST INSULATION MUST INSULATION MUST
BE RATED TO BE RATED TO BE RATED TO BE RATED TO
80° C MINIMUM 80° C MINIMUM 80° C MINIMUM 80° C MINIMUM
3. Network card placement 4. J1 Terminal