Proton SL mini 1220, Instruction Manual

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Page 91 of 126
Proton Products SL mini and SLR mini Series Speed and Length Gauges Instruction Manual - issue 1s
L
OGIC
O
UTPUTS
Logic outputs connection
Two outputs are fitted as standard and may be accessed through the following pins:
Connector type: DB25 female (socket)
Functional
group
Pin Designation Description Notes
Shield S Shield Shield Connect to cable and plug shields
Power
supply and
ground
2
DGND
Power supply and
signal ground (0V) Floating (inactive) or pull-down to
DGND (active)
15
24
Logic
outputs
6 LOP1 Logic output 1
State Output
Inactive Floating
Active Pulled down to DGND
7 LOP2 Logic output 2
State Output
Inactive Floating
Active Pulled down to DGND
Logic outputs electrical specifications

The logic outputs must NOT be used to directly drive high-current or inductive loads.

It is recommended that the logic outputs are used to drive opto-isolated solid-state relays.
Specification Minimum Typical Maximum Units
Logic output to DGND voltage +25 VDC
Current 0.1 A
1
1
4
2
1
5
3
1
6
4
1
7
5
1
8
6
1
9
7
2
0
8
2
1
9
2
2
1
0
2
3
1
1
2
4
1
2
2
5
1
3