YOKOGAWA VZ20X, User Manual

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1-4
IM 77V01B01-01EN 5th Edition: 2023.03.07-00
1.5 Names of Parts
Number in
Figure
Name Description
(1) Analog input terminals
8 insulated analog inputs.
The measuring method is simultaneous measurement. 8
points can be measured simultaneously on a single VZ20X
unit, and simultaneous measurement on up to 120 channels is
possible when multiple units* are connected.
* For daisy chain connections
(2) Ethernet ports 1, 2
These ports are for performing Ethernet communication.
Communication physical layer: IEEE802.3 (100BASE-TX)
Protocol: Modbus/TCP for communication with PC/PLC
Dedicated protocol for communication with GA10
Baud rate: 100 Mbps
Maximum segment length: 100 m
Recommended transmission cable: STP category 5e or higher
recommended
Max. number of daisy chain connections: 15
(3) Power supply Connect by 24 VDC.
(4) USB (Type-C) port Connect by USB cable (Type-C).
(5) Analog input status LED
Lights/flashes when the power is turned on, and indicates the
operating status of analog inputs.
Number of LEDs: 1 per channel
LED display color: Green
(6)
Ethernet communication
status LED
Lights (green) when an Ethernet link is established.
Upper: Indicates the link/active status.
Lower: Indicates the transmission speed (100 Mbps) status.
Number of LEDs: 2 per port
LED display color: Green, orange
(7) Main unit status LED
Lights/flashes when the power is turned on, and indicates the
operating status of the VZ20X.
Number of LEDs: 1
LED display color: Red, green, blue (For the unit status, refer
to “9.1 Operation When an Error Occurs and Corrective
Action!”.)
(8) USB connection status LED
Lights when the USB cable is connected to the PC, and
indicates a USB communication connection status.
Number of LEDs: 1
LED display color: Green