Despatch P1400+ Temperature Controller - Manual (Page 55)

49
Parameter Modbus
Parameter No.
ASCII Ident &
Message Types
Notes
Setpoint Ramp
Rate 24 R/W ^
Type 2
Type 3/4
RO
R/W
0 = 0ff, 1 to 9999 increments / hour.
Dec Point position as for input range.
Input Filter Time
Constant 25 R/W m
Type 2, 3/4 R/W
0 to 100 seconds
Process Value
Offset 26 R/W v
Type 2
Type 3/4
RO
R/W
Modified PV = Actual PV + PV Offset.
Limited by Scale Range Maximum
and Scale Range Minimum.
Re-transmit Output
Maximum 27 R/W [
Type 2, 3/4 R/W
Maximum scale value for retransmit
output, 1999 to 9999. This parameter
applies to the first re-transmit output
fitted (see also Modbus parameters
2214, 2224 & 2234).
Re-transmit Output
Minimum 28 R/W \
Type 2, 3/4 R/W
Minimum scale value for retransmit
output, 1999 to 9999. This parameter
applies to the first re-transmit output
fitted (see also Modbus parameters
2215, 2225 & 2235).
Setpoint 2 29 R/W Value of Setpoint 2
Remote Setpoint 30 RO Value of Remote Setpoint. Returns
0FFFFhex if RSP not fitted.
Remote Setpoint
Offset 31 R/W ~
Type 2, 3/4 R/W
Modified RSP = Actual RSP + RSP
Offset. Limited by Scale Range
Maximum and Scale Range Minimum.
Alarm 1 Hysteresis 32 R/W 0 to 100% of span
Alarm 2 Hysteresis 33 R/W 0 to 100% of span
Setpoint 1 34 R/W Value of Setpoint 1
Setpoint Select 35 R/W Shows which is the currently selected
active setpoint. If a digital input has
been configured for Setpoint Select, it
will take priority over this parameter
1 = SP1 or LSP
2 = SP2
100hex = RSP