Hach HIAC ROC, User Manual, Page: 9 / 80

Figure 5 Cable connections
1 9 to 33 VDC 2 Alarm driver
1
1
For information on how to wire the alarm, refer to www.particle.com.
Table 1 Male connector wires—DB15 cable
Pin number Color Function
1 White Power input (9 to 33 VDC)
2 Brown Power ground (return)
3 Green Alarm driver
4 Yellow —
5 Gray RS232-RXD (receive data)
6 Pink RS232-TXD (transmit data)
7 Blue —
8 Red —
9 Orange RS232-GND (signal return)
10 Tan RS485-A (signal A of differential serial driver pair)
11 Black RS485-B (signal B of differential serial driver pair)
12 Violet RS485-SGND (shield ground connection)
Table 2 Female connector wires—DB15 cable
Pin number Color Function
1 White Power input (9 to 33 VDC)
2 Brown Power ground (return)
3 Green Alarm driver
4 Yellow —
English 9