12-13
IM 04P02B01-01E
Specifications
12
12.5 Specifications of Optional Functions
Alarm Output Relay (/A1, /A2, /A3, /A4, and /A5)
Item
Specifications
Operation
Outputs relay contact signals from the dedicated terminals on the rear panel when alarms occur.
Number of outputs
2 outputs (/A1), 4 outputs (/A2), 6 outputs (/A3), 12 outputs (/A4), 24 outputs (/A5)
Relay contact rating
250 VDC/0.1 A (for resistance load)
250 VAC (50/60 Hz)/3 A
Output format
NO-C-NC
Auxiliary functions
Energized/De-energized operation selectable (common to all relays)
Hold/Non-hold operation selectable (common to all relays)
AND/OR operation selectable
Reflash operation (Fixed to relay I01, I02, and I03. Relay release time is approx. 500 ms.)
Diagnosis output
Relay I01 can be used for diagnosis output.
Diagnosis output: Outputs a relay signal when an error in the recording section (plotter on the
pen model), a burnout, or an error in the A/D converter is detected. Relay operation is fixed to
de-energized and non-hold.
RS-422A/485 Communication Interface (/C3)
Item
Specifications
Connection
Complies with EIA RS-422A/485
Connection type
Multi-drop connection 1:32 (four-wire system), 1:31 (two-wire system)
Transmission mode
Half-duplex
Synchronization
Start-stop synchronization
Baud rate
1200, 2400, 4800, 9600, 19200, or 38400 bps
Start bit
Fixed to 1 bit
Data length
7 bits or 8 bits
Stop bit
Fixed to 1 bit
Parity
Odd, even, or none (no parity)
Received buffer length
2047 bytes
Escape sequence
Open and close
Protocol
Dedicated protocol, Modbus slave protocol
Communication mode
ASCII for input/output for control and setting
ASCII or binary for input/output of measured data
Communication distance
1.2 km
Ethernet Communication Interface (/C7)
Item
Specifications
Function
Setting/Measurement server
Uses a dedicated protocol
Measured/computed data, setup data, status byte
Maintenance/Test server
Connection information, network statistics, etc.
Instrument information server Model, serial number, etc.
Electrical and mechanical specifications
Conforms to IEEE 802.3.
Interface
Basic specifications
Connection
Ethernet (10BASE-T)
Protocol
TCP, IP, UDP, ICMP, and ARP
The maximum number of simultaneous connections and the number of simultaneous use
Function
Maximum Number of Number of
Administrators
Connections Users
Simultaneous Users
Port Number
Setting/Measurement server
3
1
2
34260/tcp
Maintenance/Test server
1
1
1
34261/tcp
Instrument information server
-
-
-
34264/udp
Miscellaneous
User authentication
Administrator: 1, users: 6 (limitations placed on users)
Keepalive
Drops the connection if there is no response to an inspection packet. Use or not use is
selectable.
