INST No. INE-479-P0
Software version 1.0
-3-
3.1 Connections of IRMA series
infrared multiple-constituents analyzer detector IRMA
The internal terminal board is accessible by removing the terminal board cover of the detector unit.
Lead in cables through the upper cable glands, and connect them to respective terminals.
Lead in the exclusive cable IR-WERP (Ø10mm outer diameter) through the cable gland 1.
Lead in a signal cable through the cable grand 2.
Read the separate manual “IRMA series infrared multiple-constituents analyzer
detector unit Model for IRMA
” without fail.
Make sure that all mains power is turned off to prevent an electric shock when
connecting power to the power terminals.
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Warning
Make sure to use the signal cable with the outer diameter of Ø7.0 to 12.5mm.
Use cables suiting to the applicable outer diameter of the cable gland, otherwise
waterproofing of the detector unit may deteriorate. Tighten the cable glands with
the nuts and fix the terminal board cover securely after wiring.
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3. Connections
R e m a r k s
Reference
Caution
P+ P- OUT+ OUT- SA SB SG DI COM DOCOM IN+ IN-
24VDC 4-20mADC
RS-485
DIGITALIN DIGITALOUT 4-20mADC
P+ P- OUT+OUT- SA SB SG DI COM DO COM IN+ IN-
24VDC 4-20mADC
RS-485
DIGITALIN DIGITALOUT 4-20mADC
-V
+V
OUTPUT
DC 24V 2.1A
DC ON
DC LOW
V.ADJ
INPUT 50/60Hz
AC100- 240V 1.3A
Setting display unit of
Personal computer
sequencer communication
output
Recorder etc
Analog output :4-20mA DC
Connection cable lead-in part
• Outer diameter of applicable
connection cable
(ø7.0 to ø12.5)
Connection cable
(IR-WERP
)
Communication output :RS-485
Power unit
(IR-WEP)
P-
(Blue)
Power supply
100-120V AC
200-240V AC
Protective grounding
Contact input
Contact output
Correction input
P+
(Red)
G
(Green)
G (Gr
een
)
P+
(Red
)
P-(Blue
)
SA(Black
)
SB(White
)
SG(Bro
wn
)
