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; 500
Ω
or less)
D/A conversion speed:
300times/sec.
Resolution:
1/10000
Over range:
2.4 to 21.6mA
Zero drift:
Within 0.5
μ
A/
℃
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)
Summary of Contents for F331
Page 1: ...OPERATION MANUAL 26MAY2014REV 1 02 DIGITAL INDICATOR F331 ...
Page 79: ...70 8 SPECIFICATIONS 70 SPECIFICATIONS Chapter 8 8 2 Dimensions Unit mm ...
Page 82: ...73 8 SPECIFICATIONS 73 SPECIFICATIONS Chapter 8 When the RS 485 option is equipped Unit mm ...
Page 83: ...74 8 SPECIFICATIONS 74 SPECIFICATIONS Chapter 8 When the RS 232C option is equipped Unit mm ...