Toshiba RTM20 - Manual (Page 4)

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