Knick Stratos Multi E401N - PID process controller

Stratos Multi E401N
156
Output 3, 4, Out3, Out4
TAN option FW-E052
0/4… 20mA, floating, galvanically connected to output 2, load resistance up to
250Ω
Failure message 3.6mA (with 4 … 20mA) or 22mA, user-defined
Active Max. 5.5V
Passive Supply voltage 3…24V
Process variable Selection from all available process variables
Start/end of scale Configurable within selected range
Characteristic Linear, bi-/trilinear, or logarithmic
Output filter PT1 filter, filter time constant 0...120s
Contact K1, K2, K3
Relay contact, floating
Contact rating
with ohmic load
AC < 30V/< 3A/< 90VA
DC < 30V/< 3A/< 90W
User-definable: Failure, maintenance required, function check, min/max limit, PID controller, rinse contact, parame-
ter set B signaling, USP output, Sensoface
Alarm contact
Contact response N/C (fail-safe type)
Response delay 0000...0600s
Rinse contact
For controlling a simple cleaning system
Contact rating
with ohmic load
AC <30V/<3A/<90VA
DC <30V/<3A/<90W
Contact response N/C or N/O
Interval 000.0...999.9h
(000.0h = cleaning function disabled)
Cleaning time
Relax time
0000...1999s
Min/max limits
Min/max contacts, floating, interconnected
Contact response N/C or N/O
Response delay 0000...9999s
Setpoints Within selected range
Hysteresis User-defined
PID process controller
Output via limit contacts
Setpoint specification Within selected range
Neutral zone Depending on process variable
pH: pH0…5 / 0…500mV / 0…50K
P action Controller gain Kp: 0010...9999%
I action Reset time Tr: 0000...9999s (0000s = no integral action)
D action Rate time Td: 0000...9999 s (0000 s = no derivative action)
Controller type Pulse length controller or pulse frequency controller
Pulse period 0001...0600 s, minimum ON time 0.5 s (pulse length controller)
Max. pulse frequency 0001...0180min
-1
(pulse frequency controller)
Service functions
Current source Current specifiable for output 1… 4 (00.00 ...22.00mA)
Manual controller Controller output directly specifiable (start control processes)
Sensor monitor Direct display of measured values from sensor (mV, temperature, resistance, ...)
Relay test Manual control of relay contacts