256 modules max. in one RS-485 network without repeater
2048 modules max. in one RS-485 network with repeater
Isolation voltage: 3000Vdc at RS-485/422 side
Repeater request: 4,000 feet or over 256 modules
Input power : 10Vdc ~ 30Vdc
Power consumption: 2.2W max.
This model is used for PLC user. The design of isolation between I-7520 and I-7520R is different. If the user wants to supply the power from the PLC they should use the I-7520R; Otherwise the isolation will be broken. Please refer to the manual I-7000 bus converter for more detailed information.
Specifications:
Input
RS-232 protocol
Output
RS-485 protocol
Speed
"Self Tuner" inside, auto switching baud rate, 300~115200 BPS