Introduction
The TMG-1200 detects the “Front Dead Center” (FDC) positions of the cold former using a
proximity sensor and sends a fault signal to the output when the difference between FDC
positions at each stroke exceeds the preset range. The TMG-1200 will send a fault signal to the
output when the revolutions (rpm) of the cold header or cold former fall below the preset range
when slowdown detection is set to On.
Fault detection of FDC position is performed in two modes - Adaptive (mean value) comparison
and Trend (absolute value) comparison. For each of these modes, it is possible to preset the
operating range. Slowdown detection can be set in units of 1% in the range of –5% to –49%.
Header
Former
Sensor Signal
Header
Former
Monitoring by both Absolute
value and Mean value
Slowdown monitoring
Fault Detection Signal
(Stop Signal)
This device meets the requirements for the single, double and multi modes according to the types
of cold header and cold former.
The single mode is for single stroke, single die machines.
The double mode is for single stroke, double die machines.
The multi mode is a multi-slide or progressive header (Two sensors are necessary only in the
case of using the multi mode.) The TMG-1200 can be setup for operation in any of these modes.
Refer to the contents of Section “System Setting”.
One Stroke
One Die
One Stroke Two
Two Die
One Stroke
Two Die
Multi-Slide or
Progressive
Header
The device is factory set in the double mode. The set point setting and system setting are preset
at the factory. System can start at installation.
Page 2
TMG-1200 Instruction Manual
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