Astralpool MULTI-PARAMETRIC INSTRUMENT Manuel D'installation page 8

2.2.3 ELECTRICAL CONNECTIONS TABLE
Terminal Description
1 pH probe (+)
2 pH probe (-)
3 - 4 Not used
5 Redox probe (+)
6 Redox probe (-)
7 Amp Chlorine Probe (+)
8 Amp Chlorine Probe (-)
9-16 Not used
17 Temperature Probe (Green)
18 Temperature Probe (Blue)
19 Temperature Probe (Yellow)
20 - 22 Not used
23 Freq. output (+)
24 Freq. output (-)
25 Freq. output (+)
26 Freq. output (-)
27 - 30 Not used
31 Current output (+)
32 Gnd Current output (-)
33 Current output (+)
34 - 36 Not used
37 RS 485 -
38 RS 485 +
39 RS 485 GND
40 Not used
41 HOLD +
42 HOLD -
43 - 44 REED
45 - 46 Level 1 Signal
47 - 48 Level 2 Signal
49 - 50 Relay 1 output (dry contact)
51 - 52 Relay 2 output (dry contact)
53 Relay phase (100 to 240Vac)
54 Ground
55 Relay neutral (100 to 240 Vac)
56 Relay phase (100 to 240Vac)
57 Ground
58 Relay neutral (100 to 240 Vac)
59 Relay phase (100 to 240Vac)
60 Ground
61 Relay neutral (100 to 240 Vac)
62 - 65 Not used
66 Power supply phase (100 to
240 Vac)
67 Ground
68 Power supply neutral (100 to
240 Vac)
Example of the Connections Label affixed to the back of the instrument's connections compartment.
PH-
Chlorine
Redox
Not Used
Redox
Not Used
probe
input
Chlorine
probe input Not Used
(CU-PT)
PT100 or PT1000 Temperature Probe Input
Not Used
pH
Chlorine Redox
Not Used
PH
Output current GND connector
Chlorine
Redox
RS485 Serial Port
with ModBus RTU protocol
15 to 30 Vdc voltage input
REED sensor input
Not Used
PH
Chlorine Redox
Alarm
Alarm
Not Used
Not Used
Not Used
pH relay
Chlorine Redox
relay relay
Temperature Relay
100 to 240 Vac 50/60 Hz Power Supply Connector
0000137242 Rev.3.1
PH - PH-CL-
Chlorine Redox
PH probe input
Redox
Not Used
probe input
Chlorine Chlorine
probe input probe input
(CU-PT) (CU-PT)
pH pH
Chlorine Chlorine
PH PH
Chlorine Chlorine
PH PH
Chlorine Chlorine
Alarm Alarm
Not Used Redox
pH relay pH relay
Chlorine
Chlorine relay
relay
6