Proton InteliSENS PD30 User Manual

Page 47 of 68
Proton Products InteliSENS PD30 Instruction Manual (Issue 1a)
LOGIC INPUTS
Logic inputs connection
Two logic inputs are fitted as standard and may be accessed through the “INTERFACE” connector.
Connector type: DB25 female (socket)
Pin
Designation
Description
Notes
10
LIN2
Logic input 2
11
DGND
Digital ground
Ground reference for LIN1 and LIN2.
23
LIN1
Logic input 1
S
Shield
Ensure that the cable shield is connected to this via the plug
shield connection.
Logic inputs electrical specification
 Logic inputs are not isolated from earth.
 Inputs are internally pulled up to +15 V via 5.1kΩ resistors; unconnected inputs default to the high
state.
 Inputs will source a minimum current of 3mA when externally pulled down to the low state.
Specification
Minimum
Typical
Maximum
Units
Low state (logic 0) input voltage
3
V
High state (logic 1) input voltage
10.5
V
Absolute input voltage
-30
30
V
Low state source current
3
mA
Logic inputs can be connected to different types of signal sources as follows:
Signal source
Connection method
Mechanical or solid
state relay contact
Connect between logic input and DGND (pin 11).
Pull-down
Connect the pull-down signal to the logic input and ground to DGND (pin 11).
Pull-up
 Connect an 820Ω resistor between the logic input and DGND (pin 11) to pull
the input down to 2.5V.
 Connect the pull-up signal source to the logic input and ground to DGND
(pin 11).
 For 24V signals (such as from a PLC), the power dissipation in the 820Ω
resistor can be reduced by connecting another 820Ω in series between the
pull-up signal source and logic input.

Proton InteliSENS PD30 Specifications

General

Brand	Proton
Model	InteliSENS PD30
Category	Laundry Accessories
Language	English