6 (26)
2.3
Connectors
2.3.1
I/O Terminal Block
Fig. 2
Terminal block
Pin Label
Function
Note
15 HI
CAN High
J1939
14 PE
CAN Shield
13 LO
CAN Low
12 GND
CAN Ground
11
COM
Analog Input common
10 AI4
Analog Input 4
0–20 mA or 0–10 VDC
9
AI3
Analog Input 3
0–20 mA or 0–10 VDC or PT100
8
AI2
Analog Input 2
0–20 mA or 0–10 VDC
7
AI1
Analog Input 1
0–20 mA or 0–10 VDC or PT100
6
DI2-
Digital Input 2
Dry contact type – do not apply power to these inputs
5
DI2+
Digital Input 2
4
DI1-
Digital Input 1
3
DI1+
Digital Input 1
2
COM
Relay output common
Isolated inputs
Rated load: 1 A @ 24 VDC
1
NO
Relay output, NO
The analog inputs must be configured for voltage, current or PT100 input.
The digital inputs are of the dry contact type which require no control voltage.
Do not connect power to the digital inputs as this may damage the unit.
The relay output must be supplied from an isolating transformer using a secondary
listed fuse rated at maximum 3.3 A and minimum 30 VDC.
Netbiter EC300 Series User Manual
SCM-1202-012
2.2
