RIO-MOD-RTU Relay I/O with Modbus/RTU
RIO-MOD-RTU Relay I/O with Modbus/RTU
For Direct Connection to Modbus Master PLC’s and SCADA Systems
What it does
The RIO-MOD-RTU is a Modbus Slave device which can be used as an RTU for any Modbus system. It is ideal for direct connection to Modbus Master PLC’s or SCADA systems.
The RIO-MOD-RTU is capable of providing 16 isolated relay outputs and 16 digital inputs. 32 indicator LED’s are conveniently placed on the unit, ideal for commissioning and fault finding.
Specifications
Power
Power supply: 24V DC ±15%
Modbus/RTU
Modbus type: RTU slave device
Slave addresses: Up to 15 hardware selectable slave addresses, and 1 software selectable slave address
Baud rate: 9600, 19200, 38400 or 115200 baud (hardware selectable)
Parity: None or even (hardware selectable)
Data bits: 8
Stop bits: 1
Supported Modbus function codes:
1 – Read single coils
2 – Read single discrete inputs
3 – Read holding register
4 – read input register
5 – Force single coil
6 – Write single holding register
15 – Force multiple coils
16 – Write multiple holding register
Digital I/O
Digital inputs: 16 selectable digital inputs, Input type select NPN (sink) or PNP (source). 1kHz Input sample rate. Input voltage 5–24V.
Digital outputs: 16 isolated relay outputs, Change over Form C (10A 250V AC or 10A 30V DC), 1kHz scan rate. Software selectable relay state. Relay auto shutoff feature.
Construction
Casing: 35mm DIN rail case
Dimensions (H x W x D): 2.3 x 10.0 x 5.7″ (59 x 255 x 144mm), with plugs in
LED indication: On each relay output and digital input channel
Documents
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