Modbus Wiring; Pc Configuration Via Infrared Communication - M-system 47DV Operating Manual

■ TERMINAL BLOCK
• How to remove the terminal block cover
Insert the minus tip of a screwdriver into each hole at the
four corners of the cover and pull it to the direction as
indicated below to separate the terminal block cover.

MODBUS WIRING

RS-232C
*1. Internal terminating resistor is used when the device is at the end of a transmission line.
*2. Install shield cables to all sections and ground them at single point.

PC CONFIGURATION VIA INFRARED COMMUNICATION

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.
Terminal Cover
R2K-1
RS-485
T1
T2
*
1
T3
T4
*
2
FG
Infrared Communication
Adaptor (model: COP-IRU)
• How to remove the terminal block
The terminal block is separable in two pieces. Loosen two
screws on both sides of the terminal block to separate.
Be sure to turn off the power supply, input signal and
power supply to the output relays before separating the
terminal block.
47Dx
T1
T2
T3
T4
max.1 meter
Digital Panel Meter
(model: 47Dx)
47DV
Terminal Block
Separable
Terminal Block
Screw
RS-485
47Dx
T1
T2
T3
T4
EM-9501-B Rev.6 P. 9 / 34
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