Aspen FP00091, Installation And Operation Instructions Manual

Page: 12 / 15

OM00020 Rev 2, FP00091, FP00101 Operation Manual Page 12 of 15
Table 4: RMC RS-485 Communication Pinout
Pin 2 – RX/D-
Pin 3 – TX/D+
Pin 5 - GND
The default communications settings are as follows, but they can be adjusted if required.
Serial address: 1
Serial baudrate: 19200
The relevant parameters for the RMC and their Application Data Unit (ADU) are defined in the Table 1
below:
Table 5: Modbus parameters
LABEL DESCRIPTION MIN MAX VALUE/TYPE UNIT RW ADU
PARAMETERS & STATUS VARIABLES
StU General > Setup
y01 ON/OFF 0 1 0 - OFF Enum 1 RW 3001
y05 Temperature Units 0 1 0 - C Enum 6 RW 3002
y07 Restore default parameters 0 1 0 - NO Enum 2 RW 3003
y08 Control Sensor 0 1 0 - TI Enum 7 RW 3030
y09 Control Mode 0 1 0 - Def Enum 8 RW 3031
ALA General > Configuration
BUZ Buzzer activation time 0 15 1 min RW 3004
AdL Alarm relay activation delay 0 999 0 s RW 3005
AOF Alarm relay active if unit in OFF 0 1 1 - YES Enum 2 RW 3006
SEr General > Serial settings
SEr Serial address (Modbus and CAN) 1 100 1 RW 3007
bAU Serial baudrate (Modbus) 0 8 6 - 192 Enum 3 RW 3008
COM Serial settings (Modbus) 0 2 0 - 8N1 Enum 4 RW 3009
CFG Parameters > Unit config
SEt Setpoint -20 90 21.0 °C RW 3013
c01 Pump Flow Delay 0 100 10 s RW 3014
c02 Fan Delay Off 0 100 3 s RW 3015
c03 T1-Pv Filter 0 100 1 RW 3016
c04 Alarm Diff 0 100 5.0 K RW 3017
c05 Pump Shutdown Delay 0 100 3 s RW 3018
c06 Min Compr Speed 0 100 20 % RW 3019
c07 Pump Speed 0 0 80.0 % RW 3020
c08 Compr Delay Off 0 3600 60 s RW 3021
c09 Max Pump Speed 0 100 100.0 RW 3028
c10 Min Pump Speed 0 0 0.0 RW 3029
PID Parameters > PID Settings
P01 Regulation Type 0 2 2 - PID Enum 5 RW 3022
P02 Gain 0 1000 2.0 RW 3023