Precision Digital PD6310 - Manual (Page 55)

Model PD6210 & PD6310 Batch Controllers Instruction Manual
55
Setting the Relay Operation (relay)
This menu is used to set up the operation of the relays.
!
Caution!
During setup, the relays do not follow the
input and they will remain in the state found
prior to entering the Relay menu.
1. Relay
assignment
a. Rate for low and high alarm
b. Total for batch control relays
c. Grand total for grand total alarms
2. Relay action
a. Automatic reset only (non-latching)
b. Automatic + manual reset when not in a batch process
(non-latching)
c. Latching (manual reset when not in a batch process only)
d. Latching with Clear (manual reset when not in a batch
process only after alarm condition has cleared)
e. Pump alternation control (automatic reset only, for level
applications unrelated to batch control)
f. Sampling (the relay is activated for a user-specified time
and may be assigned to rate or grand total)
g. Off (relay state controlled by Interlock feature)
3. Set and reset points; batch preset
4. Fail-safe
operation
a. On (enabled)
b. Off (disabled)
5. Time delay
a. On delay (0-999.9 seconds)
b. Off delay (0-999.9 seconds)
6. Relay action for loss (break) of 4-20 mA input (ignore, on, off)
Note: Fail-safe should not be used for relays assigned to batch control.
!
Rate Alarms Only Active During a Batch Process
The rate alarms are active only during a batch process.
As a result, rate alarms should not be programmed with
manual reset, as they cannot be manually reset during a
batch process, the only time they are active.