16.SPECIFICATIONS
111
16-4. External Signals
High limit relay，Low limit relay，Analog monitor output，
Hold signal input, Digital zero signal input.
16-5. Interface
RS-485 communication interface
(Communication protocol; Modbus-RTU)
Signal level Based on RS-485
Transmission distance Approx. 1km
Transmission method Asynchronous, half-duplex
Transmission speed Selectable from
1200, 2400, 4800, 9600, 19200,
and 38400bps
Number of units connected 32 at maximum
(including one master)
Bit configuration Start bit 1 bit
Character length Fixed at 8 bits
Stop bit Fixed at 1 bit
Parity bit Selectable from
none, odd, and even
16-6. Option
BCD parallel data output interface (sink type) [BCO]
Output signal: Indicated value data (5-digit), near zero,
minus, over, stable, strobe
Output logic: Switching between positive logic and
negative logic
Output type: Sink type
When signal ON, output transistor ON.
When the input unit such as PLC is
connected, plus common is connected.
Rated voltage: 30V
Rated current: 50mA
Insulation method: Photo coupler insulation
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