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Vision™ OPLC™ V1040-T20B
Installation Guide
12
Unitronics
Removable Memory
Micro-SD card
Compatible with fast micro-SD cards; store datalogs, Alarms,
Trends, Data Tables, backup Ladder, HMI, and OS. See Note 2
Notes:
2. User must format via Unitronics SD tools utility.
Communication
Serial ports
2. See Note 3
RS232
Galvanic isolation
Yes
Voltage limits
20VDC absolute maximum
Baud rate range
300 to 115200 bps
Cable length
Up to 15m (50’)
RS485
Galvanic isolation
Yes
Voltage limits
−
7 to +12VDC differential maximum
Baud rate range
300 to 115200 bps
Nodes
Up to 32
Cable type
Shielded twisted pair, in compliance with EIA RS485
Cable length
1200m maximum (
4000’)
USB
See Note 4
Port type
Mini-B
Galvanic isolation
No
Specification
USB 2.0 compliant; full speed
Baud rate range
300 to 115200 bps
Cable
USB 2.0 compliant; up to 3m
CANbus port
1
Nodes
CANopen
Unitronics’ CANbus protocols
127
60
Power requirements
24VDC (±4%), 40mA max. per unit. See Note
5
Galvanic isolation
Yes, between CANbus and controller
Cable length/baud rate
See Note
25 m
100 m
250 m
500 m
500 m
1000 m*
1000 m*
1 Mbit/s
500 Kbit/s
250 Kbit/s
125 Kbit/s
100 Kbit/s
50 Kbit/s
20 Kbit/s
* If you require cable lengths over 500
meters, contact technical support.
Optional port
User may install a single Ethernet port, or an RS232/RS485 port.
Available by separate order.
Notes:
3. The standard for each port is set to either RS232/RS485 according to DIP switch settings. Refer to
the Installation Guide.
4. The USB port may be used for programming, OS download, and PC access. Note that COM port 1
function is suspended when this port is physically connected to a PC.
5. Supports both 12 and 24VDC CANbus power supply, (±4%), 40mA maximum per unit. Note that if
12 VDC is used, the maximum cable length is 150 meters.