West Control Solutions N6600 - Manual (Page 45)

4.4 INDIVIDUAL PARAMETERS
4.4.1 Input Parameters
4.4.1.1 PROCESS VARIABLE - Word Parameter 1
This Read Only word parameter indicates the current value of the process
variable.
O075-4 4-9
PM-0075
Parameter No. Notes
Low Heater Break Alarm value 31 0 - 100% and OFF or 0.1A/1A -
Heater Current High Scale Limit (see
Subsection 4.4.6.5)
High Heater Break Alarm value 32 0 - 100% and OFF or 0.1A/1A -
Heater Current High Scale Limit (see
Subsection 4.4.6.6)
Heater Current 33 Read Only
AM Key Usage 34 Read Only
Alarm 1 Hysteresis 35 1 - 250 or 0.1 - 25.0 (as per Heater
Current High Scale Limit)
Alarm 2 Hysteresis 36 1 - 250 or 0.1 - 25.0 (as per Heater
Current High Scale Limit)
Soft Start Setpoint 37
Soft Start Time 38
Soft Start Time Remaining 39 Read Only - Returns 0 if not in Soft
Start
Manufacturer ID 121 Read Only - 231 (representing “W1”)
Equipment ID 122 Read Only - number 6600
NOTES
1. The values of Word Parameters 29 and 30 are always to 0.1A resolution.
2. If Heater Break Alarms are set to Absolute Current Mode, values of Word
Parameters 31 and 32 will be to 0.1A resolution.
3. If Heater Current High Scale Limit (Word Parameter 29) is set to >20A, the
Controller operates to 1A resolution, in which case all the above Word Parameters’
least significant decimal digit will return ) and, in Write operations, that digit will be
truncated.
Table 4-3 MODBUS Word Parameters (Cont.)