MTS 793 Controller Hardware FlexTest GT Controller Connections
123
• Cable for all load frames without crosshead locks–22 AWG, 6
conductor with overall foil shield Alpha 5386C or equivalent with
drain wire connected to pin 9 at both ends of the cable (pin 9 may
be pin E at the load frame).
Jumper plug If connector J29 is not used, you must install a jumper plug to
maintain the integrity of the interlocks. Use jumper plug 100-007-947
or jumper pins: 3 and 4; 5 and 7; 8 and 13.
Station stop The Emergency Stop connection can also be configured as a station
stop. When this is done, be sure that you have other Emergency Stop
boxes near by. Pressing Station Stop will shut down the hydraulics to
an individual station without shutting down power to the hydraulic
power unit.
Note A Model 493.73 HPU Transition Board must be installed for the
Emergency Stop connection to be enabled.
J43 Interlock
Connector J43 Interlock accommodates two general purpose inputs
to be connected to the interlock chain.
• Input 1 is dedicated as a station interlock.
• Input 2 is dedicated as a program interlock.
• Both inputs are optically isolated.
• If just one contact is used, the other must be jumped.
Input 1
Station
Interlock
Input 2
Program
Interlock
1
2
3
4
5
6
7
8
J43
+24 V
From
External Device
+24 V
To
Chassis
0 V
logic
driver
relay
contacts
Both inputs can accept relay
contacts or a logic signal.
Both configurations are
shown.
Each input can be have either
configuration.
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