Hach HIAC ROC User Manual page 9

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