43
Logic Channels
Up to 12 logic channels can be recorded simultaneously with the analog channels. In addition, 4 timing channels are also
available for measuring duty cycle, RPM, and pulse count.
10.1 Logic Input Connector
This is a DB-25 connector located on the top of the unit.
Pin Signal
Pin Signal
13 Logic Ch 1 19 Function K2
25 Logic Ch 2 6 Function K3
12 Logic Ch 3 18 Function K4
24 Logic Ch 4 5 Ground
11 Logic Ch 5 17 Ground
23 Logic Ch 6 4 Ground
10 Logic Ch 7 16 9-15V 0.2A
22 Logic Ch 8 3 Ground
9 Logic Ch 9 15 Alarm C
21 Logic Ch 10 2 Alarm D
8 Logic Ch 11 14 Alarm A
20 Logic Ch 12 1 Alarm B
7 Function K1
Figure 10.1
Logic Connector
10.2 Logic Channel Setup
To set the logic channels, press the “logic channels” button on the “Home” screen, or from the “F(t)” screen, click within
the logic signal portion of the screen when present, See
. The configuration screen will open and resemble
The set of channels depends on the number of channels chosen. For a given number of channels, the signals enabled on
the connector is fixed. For example, if 4 channels are enabled by the up/down arrows beside the text listing the number
of channels, then pins 13, 25, 12, and 24, will be active. They become channels 1-4 respectively.
Figure 10.2
Logic
Channels on the F(t) screen