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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)

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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)

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