ABB AX400 Series User Manual

Single and dual input analyzers for pH/Redox (ORP)
AX416, AX436, AX460, AX466 & AX468 6Installation
IM/AX4PH Rev. P 51
6.4.2 Connections
Fig. 6.9 Connections, Wall-/Pipe-mount Analyzer
Note.
 Relay 3 can be configured to control the wash facility – see Section 5.4, page 33.
 Tighten the terminal screws to a torque of 0.60 Nm (5.3 lbf. in.).
Temperature Compensator
Connections
B16 B15 B14 B13 B12 B11 B10
B9 B8 B7 B6 B5 B4 B3 B2 B1
TC Third Lead Common TC Third Lead Common
Temperature Compensator
Connections
PROFIBUS DP connections – refer to IM/PROBUS
Before making any electrical connections,
see Warnings on page 47
C1 Not used C2 Not used C3 C4 C5 C6 Not used C7 C C8 NC Relay 4 C9 NO C10 C C11 NC Relay 5 C12 NO C13 +
Analog Output 3
C14 — C15 +
Analog Output 4
C16 —
Earth (Ground)
Stud on Case
(see Fig. 6.8)
Line L
Neutral N
E
CA4
Relay 1 NC A5
NO A6
CA7
Relay 2 NC A8
NO A9
C A10
Relay 3 (see Note below) NC A11
NO A12
Analog Output 1
+ A13
— A14
Analog Output 2
+ A15
— A16
Terminal Block A
Terminal Block B
Terminal Block C (Option Board)
Refer to Section 6.6 for pH Sensor System
Connection Details
Connect supply earth (ground) to stud on case
+
Power Supplies 12 to 30V DC 100 to 240 V AC
–
* 250 mA Type T fues (mains AC) or
2 A Type T fuse (DC)
*
** Ensure polarity is correct before
switching power supply on.
**
**
**

ABB AX400 Series Specifications

General

Display	LCD with backlight
Output	4 to 20 mA, HART
Process connection	Flanged
Lining material	PTFE, PFA
Electrode material	Stainless steel, titanium
Communication	HART