Aalborg TIO Totalizer I/O Flow Monitor/Controller - Manual (Page 9)

5
8
7
6
5
4
3
2
1
9
4. ELECTRICAL CONNECTION
PIN FUNCTION NOTE
1
Power supply, common Power input
2
Power supply, positive Power input 12 – 26 Vdc
3 RS232 RX, Optional RS485 (+)
Communication (RS-232 – input, RS-485 –
input/output)
4
Analog Input (+), PV input Input
5
Analog Output (+), PV set point Output
6
RS232 Signal GND (RS-485 GND
Optional) Communication reference
7
RS232 TX, Optional RS485 (-)
Communication (RS-232 – output, RS-485 –
input/output)
8
Analog Input/Output reference
(common for pins 4 and 5)
9
+5Vdc reference input (for 5-10
Vdc interface only)
Figure 4.1 - TIO 9 PIN "D" CONNECTOR CONFIGURATION