Thermo Scientific 2210AM Manual page 19

Table 2. Main terminal strip pin assignments.
Terminal
Designation
Number
1 IN1
2 GND
3 IN2
4 GND
5 IN3
6 GND
7 IN4
8 GND
9 IN5
10 GND
11 IN6
12 RTN
13 IN7
14 RTN
15 +24 V
16 GND
17 Earth Ground
18 GND
19 OUT1
20 Earth Ground
21 GND
22 OUT2
23 NC1
24 NO1
25 C1
26 NC2
27 NO2
28 C2
29 NC3
30 NO3
31 C3
32 NC4
33 NO4
34 C4
14 | Installation Environmental Considerations
Function
Digital input 1 Live (Level sensor 1 live)
Digital input 1 ground (Level sensor 1 ground)
Digital input 2 live (Level sensor 2 live)
Digital input 2 ground (Level sensor 2 ground)
Digital input 3 live (Level sensor 3 live)
Digital input 3 ground (Level sensor 3 ground)
Digital input 4 live (Level sensor 4 live)
Digital input 4 ground (Level sensor 4 ground)
Digital input 5 live (Level sensor 5 live)
Digital input 5 ground (Level sensor 5 ground)
Digital input 6 live (External 1 control)
Digital input 6 return (External 1 control return)
Digital input 7 live (External 2 control)
Digital input 7 return (External 2 control return)
24 V DC live (limited to 20 mA source)
24 V DC ground
System earth ground
Analog output 1 ground
Analog output 1 (900 Ohms Max)
System earth ground
Analog output 2 ground
Analog output 2 (900 Ohms max)
Normally closed contact relay 1
Normally open contact relay 1
Common contact relay 1
Normally closed contact relay 2
Normally open contact relay 2
Common contact relay 2
Normally closed contact relay 3
Normally open contact relay 3
Common contact relay 3
Normally closed contact relay 4
Normally open contact relay 4
Common contact relay 4
Orion 2210AM Ammonia Analyzer