Multi-Box I/O Module; Module Features; J8 Interlock In - MTS Systems FlexTest IIm Manual

Multi-Box I/O Module

Module features

J8 Interlock IN

Electrical
specifications
MTS 793 Controller Hardware
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The optional Model 493.43 Multi-Box I/O module allows multiple
controllers to share a master hardware synchronization clock and pass
station interlock state information between each other. In addition, this
front panel module also provides user station interlock inputs and
outputs.
• 4 optically isolated station interlock inputs (J8)
• 4 station interlock outputs with relay contacts (J9)
• Box In (J51) and Box Out (J52) to connect multiple MTS controller
boxes to share station interlock status and the master
synchronization clock.
• 32 Mb FLASH disk on board
• Box address switch (software readable) allows you to set a unique
address for each controller in a multi-box chain.
Connector J8 Interlock IN provides four station interlock inputs that
can be connected to external interlock chains.
• Inputs 1 through 4 are dedicated as a station interlock.
• All inputs are optically isolated.
Refer to the following table for input electrical specifications:
P
ARAMETER
Input Type
Input Debounce Time
Input Resistance
Minimum Input Off Voltage
Maximum Input Voltage
Minimum Input On Voltage
S
PECIFICATION
Contact (Open = Interlock)
Logic (0 = Interlock)
12-16 msec
2.7 k Ω
0.8 V (Interlock)
26 V
3 V @ 1 mA (No Interlock)
FlexTest GT Controller Connections 155