Toshiba RTM20 User Manual
Page 4
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T O S H I B A
Items
Specifications
Remarks
. Trip/alarm
set point
Sensor inputs are divided into two or
three sections, as follows.
mode
selector
Channel
12 3 4 5 6 7 8
1
A
2
A
B
C
*
The letters A, B, and C are symbols
used on the front nameplate of the
relay,
and represent RTD mounting
. areas.
For example, A channels
might be used on
windings, B
channels might be used on bearings
and so on.
7. outputs
a.
Alarm output
output
Conditions
Relay
1. Temperature on A Alarm
channels rises
above..9 x
(
l
a
set value
cir-
2. (A) An A channel is
RTD contact
b r e a k s
1. Temperature on B Alarm
channels rises
above . 9 x trip
value
2
2 .
A B channel
RTD contact
b r e a k s
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