Basler BE1-49, Инструкция по эксплуатации

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5-2 BE1-49 Operational Test
LOWER
TEMP. TRIP
CIRCUIT
POWER
SUPPLY
UPPER
TEMP. TRIP
CIRCUIT
AUXILIARY
CONTACTS
18
17 19
4
TEMP.
SENSING
RTD
SENSE
RTD
CURRENT
SOURCE
2
10 8
7
6 4
3
2
1 5
RESISTOR
DECADE
BOX
DS1
DS2
1
3
D.C.
+
5
8
6
7
}
APPROPRIATE AC OR
DC POWER SOURCE
Relay ground stud.
1
2
3
Not present in Options L and M.
DC source supplies a maximum of 250 Vdc.
DS3 and DS4 not required when Option 3 is 0. DS3 required when
Option 3 is 2. DS4 required when Option 3 is 1 or 3.
4
5
6
1/4 W Resistor is 10 ohms for copper RTD, 100 ohms for platinum.
If relay has current operated target, obtain minimum trip current by adding
parallel resistance to DS1 and DS2.
7
8
Omit DS2 when testing relays equipped with output options L or M.
Range of decade box is zero to 10 ohms for copper RTD; zero to
100 ohms for platinum.
D2817-10
07-09-98
DS4 DS3
9
Figure 5-1. Temperature Relay Test Setup