Unclassified area
Float sensor 300
Transmitter NRR 262 (IS)
FG
H-
TB1
H+
FEL+ FEL-
TB2
FRAME
GUARD PROBE
Red Blue Yellow Black White
LNFG
N.C
COM
N.O
+-
*
1), 2)AC90-250V
50/60Hz
Alarm output
+-
GND
Ex [ia] terminal for NRR262
Green
M4 connection screw
*
Hazardous area
Sensor I/F Ex box (IS)
IS exclusive cable use :
6 to 30 m
Power supply : AC or DC
Alarm output :
Arrester,
Upper instrumentation receiver
Shielded cable for IS connection
Class A ground for IS
M3 connection screw
These is input from the NRR 263
Monitor output for check
*1) When the power spec. is DC22 to 26V, terminal No. L is + and No. N is -.
*2) To maintain IS capability, do not to exceed AC 250V 50/60Hz, DC 250 V.
Sensor I/F Ex box
Output to the NRR 262
M3 connection screw
EX
EX
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