68
8 SPECIFICATIONS
68
SPECIFICATIONS
Chapter
8
Rated voltage 30V
Rated current 50mA
Insulation method Photo coupler insulation
Input signal BCD data hold, logic switching
Input type Dead-front contact input (self-contained power supply)
Relay, switch, and transistor, etc. can be connected.
The signal is inputed by short-circuited and opening the input
terminal of the terminal COM.
When the transistor is connected, NPN output type (sink type) is
connected.
Current when short-circuited Approx. 6mA
Insulation method Photo coupler insulation
D/A converter (current output) [DAI]
Current output: 4 to 20mA (load resistance; 500Ω or less)
D/A conversion speed: 300times/sec.
Resolution: 1/10000
Over range: 2.4 to 21.6mA
Zero drift: Within 0.5μA/ ℃
Gain drift: Within 50ppm/ ℃
Non-linearity: Within 0.05%FS
* Not including the drift of the analog input section
Connector: M3 screw type terminal block (two-pole)
RS-485 communication interface [485]
Message format: Modbus-RTU, UNI-Format
Signal level: RS-485-compliant, two-wire
Transmission distance: Approx. 1km
Transmission mode: Asynchronous, half-duplex communication
Transmission speed: 1200, 2400, 4800, 9600, 19200, 38400bps selectable
Number of connectable units: Max. 32 (including one master)
Bit configuration: Start bit 1 bit
Length of character 7 or 8 bits selectable (8 bits for Modbus-RTU)
Stop bit 1 or 2 bits selectable
Parity bit None, odd, or even selectable
Code: Binary (for Modbus-RTU)
ASCII (for UNI-Format)
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