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User Manual – Tester MSG MS121
3.3 Menu
The tester menu has a user-friendly interface and is divided into two working areas:
"CLUTCH"
is the area of the electromagnetic clutch testing result.
"VALVE"
is the area of the electromagnetic valve testing result.
«CLUTCH»
contains the following testing indicators:
«Current»
– is the actual value of the current consumed by the electromagnetic clutch, A. Besides,
the current values, it can also contain the following indications:
«CB»
(circuit break) – is the clutch circuit supply break. It may be caused by a break inside
the clutch winding.
«SC»
(short circuit) – is the clutch short circuit. It may be caused by a turn-to-turn short
circuit of the clutch winding.
«Voltage»
– is the actual value of the power supply (battery) voltage, V.
«VALVE»
contains the following testing indicators:
«Current»
– is the actual value of the current consumed by the electromagnetic valve, A. It may
change under different valve opening range.
«Duty, %»
- the electromagnetic valve opening range in percent. Corresponds to the change in the
duty cycle of a pulse-width modulation (PWM) signal. This value is can be ranged from 20 to 95%.
Also, each of the testing areas contains indicators “CB” “SC”, their color indication corresponds to
a break or short circuit of the element under testing.
In some cases, if the 6A valve supply current is exceeded, the following indication may appear: —
in this situation it is recommended to turn off the device, reconnect to the valve under testing and
restart the valve testing mode.
Содержание MS121
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