Logic Alarm Cable Connection And Functions; Circuit Example Of Relay Drive By Alarm Output - GRAPHTEC GL900 User Manual

2.6 Logic Alarm Cable Connection and Functions

The logic alarm cable (B-513: option) enables logic/pulse input, external trigger input, and alarm signal
output.
Connect the logic alarm cable (B-513: option) to the external input/output terminal as shown below.
Logic/Pulse Specifications
Item
Number of input channels
Input voltage range
Threshold level
Hysteresis
*Switch between logic and pulse input.
Trigger Input Specifications
Item
Number of input channels
Input voltage range
Threshold level
Hysteresis
Alarm Output Specifications
Item
Number of output channels
Output format

Circuit Example of Relay Drive by Alarm Output

Alarm Output Circuit
GL900
Logic alarm cable (B-513: option)
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
Contact capacity 5 V to 24 V, 100 mA or below
+5V
10KΩ
Description
Description
Description
External Device
This relay turns ON when alarm is generated.
Checks and Preparation
+24V
2-7