INST No. INE-479-P0
Software version 1.0
-5-
3.3 Connections of IRGMEG2
series infrared multiple-constituents
analyze operator interface/display unit
3.3.1 Rear terminal board figure of IRGMEG2
3.3.2 Example of IRGMEG2
connections
Example of attaching places of ferrite cores
(3 pieces attached as standard)
: To be attached absolutely
: At any place (Note)
Read the separate manual “IRMA series infrared multiple-constituents analyzer
operator interface/display unit Model for IRGMEG2
” without fail.
Make sure that all mains power is turned off to prevent an electric shock when
connecting power to the power terminals.
!
Warning
!
3. Connections
R e m a r k s
Terminal board on the
rear panel of this unit
[RS-232C]
Terminal board on the
rear panel of this unit
[RS-422A]
Terminal board on the
rear panel of this unit
[RS-485]
High-order side terminals
High-order side terminals
High-order side terminals
20
22
19
21
23
SD
RD
SG
RD
SD
SG
19
20
21
22
23
SDA
RDA
SG
SG
SDB
RDB
RDA RDB SDA SDB
20
21
22
19
23
SA
SB
SG
RA
RB
SG
IRGMEG2
IRGMEG2 V (complying with CE)
Comm output
Comm output
AL2 low alarm output
AL1 high alarm output
Self-diagnosed
abnormal
Alarm output Contact
OFF when an
abnormal condition
occurs
Output 2
4 to 20mA DC
SA (
b
la
ck)
SB (
w
hi
te
)
S
G
(b
ro
wn
)
To the
detector unit
Contact input
Output 1
4 to 20mA DC
Power
100 to 240V AC
AL2 low alarm output
AL1 high alarm output
Protective
ground
Power
24V DC
Protective
ground
Self-diagnosed
abnormal
Alarm output Contact
OFF when an
abnormal condition
occurs
Output 1
4 to 20mA DC
To the
detector unit
Contact input
(Note) If 4 pieces or more are required, order them separately.
Comm output
Refer to [3.1.1 Rea terminal
board figure of IRGMEG2
]