User manual - METER SRP-946
Connections of power supply voltage and measurement signals are executed using the
screw connections on the back of the unit’s housing.
Figure 4.5. Method of cable insulation replacing and cable terminals
All connections must be made while power supply is disconnected !
Double numeration means, that depending on device version, particular
terminal can be marked according to the top or bottom number.
Figure 4.6. Terminals description (relay outputs)
Figure 4.7. Terminals description (OC-type outputs)
11
GND
DATA+
DATA-
RS - 485
+
Uo
-
+24V
+5%, -10%
I
max = 100mA
1
2
5 6 7 8 9
10 11 12 13 14 15
3 4
31 32 33 34 35
OC1
OC2
- +
OC1 ÷ OC4:
U
max = 30V DC,
I
max = 30mA,
P
max = 100mW
OC3
OC4
+ - + -
+ -
(optional) (optional) (optional)
(optional)
Power
supply
(depending on version)
n.c.
n.c.
GND
0/1 - 5V, 0/2 - 10V
0/4-20mA
+
+
Power
supply
(depending on version)
GND
DATA+
DATA-
RS - 485
+
Uo
-
+24V
+5%, -10%
I
max = 100mA
1
2
5 6 7 8 9
10 11 12 13 14 15
3 4
31 32 33 34 35
R1
R2
R3
R4
(optional) (optional) (optional)
(optional)
n.c.
n.c.
GND
0/1 - 5V, 0/2 - 10V
0/4-20mA
+
+
!
6-7 mm
m
ax
.
2
m
m
16
31