Flowserve MX/QX Profibus DP/PA Field Unit - Manual (Page 68)

PB DPV1 / PA Field Unit Installation and Maintenance FCD LMENIM2336-03 – 12/12
68
Channel 355 – Emergency Shutdown (Index 115)
This channel, DO_ESD_CHAN, accepts values requesting that the network ESD be disabled or
enabled. It also provides two status values, read back from the network ESD, indicating:
• The network ESD is not active.
• The network ESD is active.
Channel 355
DO_ESD_CHAN Value
Valid values to write to this block
Disable Network ESD
0x00
Enable Network ESD 0x01
Force PBDP-A active slave 0x02
Force PBDP-B active slave 0x04
Clear force PBDP active slave 0x06
Readback on the DO_ESD_CHAN
Network ESD NOT Active
0x00
Network ESD Active 0x01
PBDP-A is active slave & Network ESD NOT Active 0x02
PBDP-A is active slave & Network ESD Active 0x03
PBDP-B is active slave & Network ESD NOT Active 0x04
PBDP-B is active slave & Network ESD Active 0x05
Channel 356 – Relay Outputs (Index 116)
This channel, DO_RELAY_CHAN, provides seven outputs to control seven actuator relays, four of
them latching and three non-latching. It also provides seven status values and readback of host-
initiated values.
Channel 356
DO_RELAY_CHAN Value
Valid values to write to this block
User Output S1a, S2a, S1b, S2b (standard)
R1 – R4 (optional)
Bits 0-3
User Output R5 – R8 (optional) Bits 4-7
Readback on the DO_RELAY_CHAN
User Output S1a, S2a, S1b, S2b Relay Energized (standard)
R1 – R4 Relay Energized (optional)
Bits 0-3
User Output R5 – R8 Relay Energized (optional) Bits 4-7
NOTE: Relays must be configured for network control or data will be invalid.