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5
47D Series Modbus Reference Guide EM-9501-C Rev.4
■
RS-485 / ETHERNET
Set Modbus properties as in the table below:
Modbus address
Assign independent address to each device.
Baud rate
19200 bps or 38400 bps: Set identical to the 72EM2-M4.
Parity bit
Odd
Stop bit
1 bit
■
INFRARED PORT
Turn the device to the infrared communication mode. Modbus address is automatically fixed at ‘1’ regardless of the
preset value.
Ethernet
Communication Adaptor
(model: 72EM2-M4)
ETHERNET
RUN
SEND
FIELD
CNFG
RS-485 (Modbus RTU)
Digital Panel Meter
(model: 47Dx)
Lightning Surge Protector
for RS-485/422
(model: MD74R or MDP-4R)
*
1
Lightning Surge Protector
for RS-485/422
(model: MD74R
or MDP-4R)
*
1
*
1. Insert lightning surge protectors recommended in this example if necessary.
Max
Min
FZ
TZ
NG Zro Spn
TG
Hld
Tch
HH
H
P
L
LL
Max
Min
FZ
TZ
NG Zro Spn
TG
Hld
Tch
HH
H
P
L
LL
Max
Min
FZ
TZ
NG Zro Spn
TG
Hld
Tch
HH
H
P
L
LL
max.1 meter
Infrared Communication
Adaptor (model: COP-IRU)
Note 1: Hold down Alarm/
+ Up buttons at once for
3 seconds to move on to Infrared Communication mode (IRU indicated).
Hold down Alarm/
or Scale/
button for 1 second to cancel the mode.
Analog output and Modbus functions are stopped while in this mode.
Note 2: The COP-IRU can communicate with single panel meter only. DO NOT turn more than one panel meter on to
the infrared communication mode.
Digital Panel Meter
(model: 47Dx)
Max
Min
FZ
TZ
NG Zro Spn
TG
Hld
Tch
HH
H
P
L
LL