Omron NV Series Setup Manual page 39

Specifications
Communications Interface Specifications
Items
Type
Model
Communications standard
Communications Baud rate (bps) 9,600, 19,200, 38,400, 57,600, or 115,200
conditions for
Data length
external device
Parity
Stop bits
Transmission distance (total length) 15 m max.
Protocols
Connector
Applicable cable
Transfer Interface for Screen Data
PLC/External Device Interface
RS-232C
NV3W-M@20(@)-V1
RS-232C (not isolated)
7 or 8 bits
None, even, or odd
1 bit
(baud rate: 19,200 bps)
• Host Link (OMRON protocol for PLCs)
• Modbus-RTU
• Protocols for PLCs from other companies (Refer to the NV-series PT Host Connec-
tion Manual (Cat. No. V105) for details.)
*2*3*4
8-pin connector
PLC connecting cable for OMRON Host
link (Without 5-V line: XW2Z-200T-3(2m)
or XW2Z-500T-3(5m), with 5-V line:
XW2Z-200T-4 (2 m))
*1 The PTs cannot be connected to OMRON PLCs using RS-485 (2-wire)
connections and the Host Link protocol.
*2 "+" and "−" are the power supply pins to drive the PT.
*3 Be sure to consider the cable length and ensure that the voltage supplied
to the PT is within the operating voltage range.
*4 If power is being supplied from a source other than the PLC for a PT with a
5-VDC power supply, make sure the power supply cable is 10 m or less in
length.
■
USB port
Item
Type
Communications standard
*1
Connector type
Number of PTs connected to
computer
Transmission distance
Protocols
Applicable cable
*1 Do not subject the metal parts of the connector to excessive static electric-
ity.
Specifications
RS-422A/485
NV3W-M@40-V1
RS-422A/485 (not isolated)
500 m max.
(baud rate: 115,200 bps)
Shielded twisted-pair cable
Specifications
All the NV3W-V1 models
USB 1.1
USB type mini-B
1
5 m max.
Special protocol for NV-series PTs
Commercially available USB cable
Section 1-4
*1
19