salmson LRE Installation Et Mise En Service page 90

English
Connection terminal assignment
Designation
L1, L2, L3
(PE)
In1
(1) (input)
In2
(Input)
GND (2)
+ 24 V (3) (output)
AUX
MP
Ext. off
SBM
SSM
Interface
IF-Module
Tab. 3: Connection terminal assignment
80
Assignment
Mains connection voltage
Protective conductor connec-
tion
Actual value input
Setpoint input
Earth connections
DC voltage for an ext. consumer/
sensor
External pump cycling
Multi Pump
Control input "Overriding off"
for external, potential-free
switch
Individual run signal/collective
run signal, readiness signal and
mains On signal
Contact load:
Individual/collective fault signal Potential-free single/collective fault signal (changeover con-
Contact load
Connection terminals of the
serial digital BA interface
Notes
3~380 V AC -3~440 V AC, 50/60 Hz, IEC 38
Type of signal: Voltage (0–10 V, 2–10 V)
Input resistance: R 10 k
i
Type of signal: Current (0-20 mA, 4-20 mA)
Input resistance: R = 500
i
Can be configured in the service menu <5.3.0.0>
Connected at the factory via the M12 threaded cable connec-
tion (Fig. 2), via (1), (2), (3) according to the sensor cable des-
ignations (1,2,3).
In2 can be used as the input for remote setpoint adjustment
in all operating modes.
Type of signal: Voltage (0–10 V, 2–10 V)
Input resistance: R 10 k
i
Type of signal: Current (0-20 mA, 4-20 mA)
Input resistance: R = 500
i
Can be configured in the service menu <5.4.0.0>
For both input In1 and In2
Max. load 60 mA The voltage is short-circuit proof.
Contact load: 24 V DC/10 mA
Pump cycling can be performed using an external, potential-
free contact. One-time bridging of the two terminals will
cause external pumping to take place, if it is enabled. Bridging
a second time will cause the procedure to repeat, provided
the minimum run time is adhered to.
Can be configured in the service menu <5.1.3.2>
Contact load: 24 V DC/10 mA
Interface for dual pump function
The pump can be switched on/off via the external potential-
free contact.
In systems with a high switching frequency (> 20 on/off
operations per day); switching on/off must take place via
"External off".
Can be configured in the service menu <5.1.7.0>
Contact load: 24 V DC/10 mA
Potential-free individual run signal/collective run signal
(changeover contact), operation readiness signal is available
at the SBM terminals (menus <5.1.6.0>, <5.7.6.0>).
minimum permitted: 12 V DC, 10 mA,
maximum permitted: 250 V AC/24 V DC, 1 A
tact) is available at the SSM terminals (menu <5.1.5.0>).
minimum permitted: 12 V DC, 10 mA,
maximum permitted: 250 V AC/24 V DC, 1 A
The optional IF-Module is pushed into a multi-plug in the ter-
minal box.
The connection is twist proof.
Salmson 11/2017