
Model 494.42 Single-Station System Board
MTS FlexTest® Models 40/60/100/200 Controller Hardware FlexTest Controller Configurations
81
J55 Digital Output Connections for the Model 494.42 System Board
Connector J55 Dig Out provides three general-purpose digital outputs that can
send digital-logic signals to external switches or logic devices.
Cable specification To maintain EMC compliance, the J55 Digital Output cable must comply with
the following specifications:
Connector–9-pin, type D, male EMI connector.
Back shell–EMI metallized plastic.
Cable–AWG and number of conductors as required. Braided shield with the
shield connected to the metallized backshell at the chassis.
Relay Contact
Relay Contact
Relay Contact
494.42 System Board
Power
100-240 VAC
50-60 Hz, 1-2 A
DA Output
J24
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
LAN 2 LAN 1
DEBUG
MOTOROLA
10/100 BASE T 10/100 BASE T
SCSI
BUSY
PIB
BUSY
PCI MEZZANINE CARD
PCI MEZZANINE CARD
J54 Dig InJ55 Dig Out
J43 INTLKJ56 UPS
J49 Aux Pwr J23 Estop/Run
J29 Load FrameJ25 HPU
J28 HSM
J55
1
2
3
4
5
6
7
8
9
Output 1
Output 3
+24 V
Output 2
Aux Power
J55 Digital Output
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