MTS Model FlexTest SE - Manual (Page 134)

Models FlexTest® IIm/GT/SE Controller Hardware
Station Connections
FlexTest GT Controller Connections 134
Station Connections
Each Model 493.74 HSM transition board controls up to two stations. A standard
chassis configuration supports up to four stations. Each station has the following
connections
• J28 Hydraulic service manifold (HSM)
• J29 Load unit
• J43 Interlock
• J44 Remote run/stop
• J49 Auxiliary power
As a system option, the Model 493.10 Chassis can be configured to support six or
eight stations. See
“Optional Station Configurations” on page 255.
J28 Hydraulic Service Manifold Connector
Connector J28 HSM controls the pressure of a hydraulic service manifold. The
controller software can configure the connector for solenoid or proportional
control of a 24 volt hydraulic service manifold.
Cable specification
• P28 is a 4-contact CPC male connector (AMP Incorporated).
• Cable for on/off HSMs–18 AWG/2 conductor with overall foil shield (Carol
C2534 or equivalent) with drain wire connected to pin 3 at the chassis.
• Cable for high/low HSMs–18 AWG/4 conductor with overall foil shield
(Carol C2543 or equivalent) with drain wire connected to pin 3 at the
chassis.
1
2
3
4
Low Pressure
DC Common
Shield
High Pressure
To HSM J28 From Chassis
lo
hi
+24 V
- Proportional
+ Proportional
Solenoid
Solenoid or
Proportional
Valve