5 options, 5 options -10, 5 optons – Yokogawa Button Operated MV2000 User Manual
Page 278: Alarm output relay (/a1, /a2, /a3, and /a4), Fail/status output relay (/f1)
13-10
IM MV1000-01E
13.5 Optons
Alarm Output Relay (/A1, /A2, /A3, and /A4)
Item
Specfcatons
Action
Transmits relay contact signals from the terminals on the rear panel when alarms occur.
Number of outputs
2 outputs (/A1), 4 outputs (/A2), 6 outputs (/A3), and 12 outputs (/A4)
Relay contact rating
250 VAC (50/60 Hz)/3 A, 250 VDC/0.1 A (for resistance load)
Output format
NO-C-NC
Relay operation
Energized/de-energized, AND/OR, hold/non-hold, and reflash settings are selectable.
RS-232 Interface (/C2) and RS-422/485 Interface (/C3)
Item
Specfcatons
Medium
EIA RS-232(/C2) or EIA RS-422/485(/C3)
Protocol
Dedicated protocol or Modbus protocol
Synchronization
Start-stop synchronization
Transmission mode (RS-422/485)
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-422/485)
1200 m
Modbus communication
Operation modes: Master or slave
FAIL/Status Output Relay (/F1)
Item
Specfcatons
FAIL output
Relay contact output on CPU error
Relay operation
Energized during normal operation and de-energized on system error.
Status output
Transmits a relay contact signal when a selected condition occurs
Relay operation
Energized when a condition occurs
Relay contact rating
250 VAC (50/60 Hz)/3 A, 250 VDC/0.1 A (for resistance load)