Logic Alarm Cable Connection And Functions - GRAPHTEC midi LOGGER GL240 User Manual

2.6 Logic Alarm Cable Connection and Functions

This section describes how to connect the logic alarm cables and the functions of cable.
During wiring, confirm that the signal's supply source is turned OFF to prevent electrical shocks.
Also, position the GL240 input cable away from any power lines and ground cables.
The Input/output cable for GL (B-513: Option) enables logic/pulse input, external trigger input, and alarm
signal output.
Connect the Input/output cable for GL (B-513: Option) to the external input/output terminal as shown below.
Input/output cable for GL
(B-513: Option)
Logic/Pulse Input Specifications
Item
Number of input channels
Input voltage range
Threshold level
Hysteresis
* Switch between logic and pulse input.
Trigger Input/External Sampling Input Specifications
Item
Number of input channels
Input voltage range
Threshold level
Hysteresis
Alarm Output Specifications
Item
Number of Output channels
Output format
When the power is turned OFF or ON, the GL240 temporarily becomes the alarm state.
4
0 to +24V max. (single-ended ground input)
Approx. +2.5V
Approx. 0.5 V (+2.5 to +3 V)
1
0 to +24V max. (single-ended ground input)
Approx. +2.5V
Approx. 0.5 V (+2.5 to +3 V)
4
Open collector output
+5 V, 10 KΩ pull-up resistance
* See the next page for details on alarm output
CHAPTER 2 Checks and Preparation
Description
Description
Description
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