Mts Model FlexTest SE Manual do Utilizador Página 236

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Models FlexTest® IIm/GT/SE Controller Hardware
J54 Digital Inputs
FlexTest SE Controller Connections
236
J54 Digital Inputs
Connector J54 Dig In accommodates up to three digital signals from external
devices. You can use digital input signals to trigger test events with your
controller applications.
All of the inputs are optically isolated.
Channel inputs can be 3 volts (minimum) and 26 volts (maximum) from an
external voltage source.
Cable specification The cabling information shown assumes a single cable destination (with an
overall shield). In other applications, the cable may have more than one
destination. For these applications an overall shield is not practical and non-EMI
connectors and back shells are permissible.
9 pin contact type D male EMI connector
Back shell–EMI metallized plastic
Cable–shielded twisted pairs as required (24 AWG minimum) with drain
wire(s) connected to the metallized backshell at the chassis.
Input 2
Input 3
1
2
3
4
5
6
7
8
9
J54
Input 1
From
External Device
+24 V
To
FTSE Controller
Low side of Opto Inputs
must be jumpered to
ground. Use 22 AWG
Jumper Wire.
Switch or dry contact.
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