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Proton Products InteliSENS DG2030 Diameter Gauge Instruction Manual (Issue 1a)
R
ELAY
O
UTPUTS
Relay outputs connection
Four relay outputs are fitted as standard and may be accessed through the “INTERFACE” connector.
Connector type: DB25 female (socket)
Pin Designation Description
Notes
17
NO1
Relay 1 normally open contact
5
COM1
Relay 1 common
18
NO2
Relay 2 normally open contact
6
COM2
Relay 2 common
19
NO3
Relay 3 normally open contact
7
COM3
Relay 3 common
20
NO4
Relay 4 normally open contact
8
COM4
Relay 4 common
S
Shield
Shield
Ensure that the cable shield is connected to
this via the plug shield connection.
Relay outputs electrical specifications
•
All contacts are isolated and voltage free.
•
If the relay contacts are used to switch inductive loads, then suppressors must be fitted to
clamp voltage spikes.
Specification
Minimum
Typical
Maximum
Units
DC voltage between contacts
24
VDC
Contact-to-earth voltage
50
V
Current
1
A
On resistance (at a current of 10mA)
0.1
Ω