MTS 793 Controller Hardware
FlexTest GT Controller Connections
122
Important Unless there is a special need, HSM OFF MODE should not
be set to RAMP. For your safety, keep this setting at STEP.
• HSM low pressure setting as a percentage of full-scale (LOW
PERCENT)
• HSM high pressure setting as a percentage of full-scale (HIGH
PERCENT)
• HSM type can be set to PROPORTIONAL, SOLENOID, or
ON_OFF_SOLENOID.
If you select ON_OFF_SOLENOID only 2 HSM control buttons
(OFF/ON) will appear on the Station Manager Station Controls
panel. For the other selections, 3 HSM control buttons will appear
(OFF/LOW/HIGH).
J29 Load Unit
Connector J29 Load Unit connects to the load unit lift/lock panel.
Cable specification • P29 is a 15-contact, type D, male, EMI connector.
• Cable for load frames with crosshead locks built after 1985, 18
AWG, 8 conductor with overall foil shield Alpha 5388C or
equivalent with drain wire connected to pin 9 at both ends of the
cable.
+24 V DC
+24 V DC
OR
Station
Stop
Emergency
Stop
Cross
Head
Lock
1
4
3
2
13
8
7
5
9
12
14
Cross Head Unlock
DC Common
HSM hi
Crosshead
Solenoid
Shield
+24 V
E-Stop
CRM Relay
in HPS
X
*
X
Pins 1, 2, 3, and 4 can be
configured for contacts (with
jumpers X
*
and X
†
) or a logic
signal (without jumpers X
*
and
X
†
).
X
*
= Jumper X2 for Channel A
Jumper X1 for Channel B
X
†
= Jumper X4 for Channel A
Jumper X3 for Channel B
Pins 5, 7, 8, and 13 maintain
the continuity of the
emergency stop interlock.
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