Knick Protos 3400, User Manual

Page: 61 / 212

61
Relay Contacts
Parameter setting/Module BASE/Relay contacts
The BASE module provides 4 relay contacts
(max. AC/DC rating 30 V / 3 A each).
Contact K4 is provided for failure message. The
switching behavior (normally open or normally
closed), as well as a switch-on or switch-off
delay can be defined.
Default settings of the user-definable relay
contacts of the BASE module:
K3: NAMUR maintenance request
K2: NAMUR HOLD (function check)
K1: Limit value
K1-K3 are user definable (“Usage”):
• NAMUR maintenance
• NAMUR HOLD
• Limit value
• Rinse contact
• Parameter set B active
• USP output (COND module only)
• KI rec. active
• Sensoface
• Alarm control
Menu Display
Setting the relay contacts
Relay Contacts, Usage
• Open parameter setting
• Enter passcode
• Select “Module BASE”
• Select “Contact ...”
• “Usage” (Fig.)
Module BASE
Alarm (K4)
K1
K2
K3
Contact K1 (Administrator)
19.2°C
Return
Hysteresis
Variable
Limit value
7.00pH
Usage
Effective direction
Contact type
Limit value
NAMUR maintenance
NAMUR HOLD
Rinse contact
Parameter set B active
USP output
Contact assignment:
See terminal plate of
BASE module
Relay contacts