5 options, 5 options -10, Alarm output relay (/a1, /a2, /a3, and /a4a) – Yokogawa Value Series FX1000 User Manual
Page 275: Ethernet communication interface (/c7)
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IM 04L21B01-01EN
13.5 Options
Alarm Output Relay (/A1, /A2, /A3, and /A4A)
Item
Specifications
Action
Outputs relay contact signals from the terminals on the rear panel when alarms occur.
Number of outputs
2 (/A1), 4 (/A2), 6 (/A3), and 12 (/A4A)
Relay contact rating
250 VAC (50/60 Hz)/3 A, 250 VDC/0.1 A (for resistance load)
Output format
2 (/A1), 4 (/A2), 6 (/A3): NO-C-NC, and 12 (/A4A): NO-C
Relay operation
Energized/deenergized, AND/OR, hold/non-hold, and reflash settings are selectable.
RS-232 Interface (/C2) and RS-422A/485 Interface (/C3)
Item
Specifications
Connection
EIA RS-232(/C2) or EIA RS-422/485(/C3)
Protocol
Dedicated protocol or Modbus protocol
Synchronization
Start-stop synchronization
Transmission mode (RS-422A/485)
Four-wire half-duplex multi-drop connection (1:N (N = 1 to 32))
Data rate
1200, 2400, 4800, 9600, 19200, or 38400 bps
Data length
7 or 8 bits
Stop bit
1 bit
Parity
Odd, even, or none
Handshaking
Off:Off, XON:XON, XON:RS, and CS:RS
Communication distance (RS-422A/485)
1200 m
Modbus master
Reading information such as measured data from other instruments and writing this information to
registers
Modbus slave
Reading data from measurement and computation channels (/M1, /PM1, and /PWR1)
Reading and writing communication input data (/M1, /PM1, and /PWR1)
Some control commands such as memory start
Ethernet Communication Interface (/C7)
Item
Specifications
Electrical and mechanical specifications
Conforms to IEEE 802.3 (Ethernet frames conform to the DIX specification).
Medium
Ethernet (10BASE-T)
Protocol
Dedicated protocol as well as the TCP, IP, UDP, ICMP, ARP, DHCP, HTTP, FTP, SMTP, SNTP, and
Modbus protocols
E-mail client
Automatically send e-mail at specified times.
FTP client
Automatically transfer the following types of data files to the FTP server:
Display data, event data, snapshot data, and report data (/M1, /PM1, and /PWR1)
FTP Server
Moving and deleting files on the FX, managing directories, and generating file lists
Web server
Displaying the FX screen on a Web browser
SNTP client
Setting the FX time to the results of an SNTP server query
Cannot be used after hour 0 on January 1st, 2036.
SNTP server
Generating the FX’s time. Time resolution: 5 ms
Cannot be used after hour 0 on January 1st, 2036.
DHCP client
Automatically obtain the network address settings from the DHCP server.
Modbus client
Reads data from another device and writes to the registers.
Modbus server
Reading data from measurement and computation channels (/M1, /PM1, and /PWR1)
Reading and writing communication input data (/M1, /PM1, and /PWR1)
Some control commands such as memory start. Modbus client access limitations.
Setting/Measurement server Using the dedicated protocol, control and configure the FX, and generate data from the FX
Maintenance/test server
Outputs connection information and network information.
Instrument information server
Generating the information (such as the serial number and model name) of the connected FX