User manual - FLOW METER SPI-638
Connections of power supply voltage and measurement signals are executed using the
screw connections on the back of the unit’s housing.
Figure 4.2. 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 4.3. Terminals description (two relay outputs)
Figure 4.4. Terminals description (two OC-type outputs)
10
!
6-7 mm
m
ax
.
2
m
m
16
31
PE
1
2
Power
supply
(depending on version)
3 4
R1
(optional)
5
R2
(optional)
7 8 9 10 11 12
6
Not installed
- Uo +
DATA+
DATA-
GND
+24V
+5%, -10%
I
max = 100mA
13 14 15 16 17
18 19 20
22
21
counting inhibition
balance counter clearing
batching counter clearing
pulse input
COM
PE
1
2
Power
supply
(depending on version)
- Uo +
DATA+
DATA-
GND
+24V
+5%, -10%
I
max = 100mA
13 14 15 16 17
3 4 5
7 8 9 10 11 12
OC1 ÷ OC2:
U
max = 30V DC,
I
max = 30mA,
P
max = 100mW
-
+
OC2
(optional)
-
+
OC1
(optional)
6
Not installed
18 19 20
22
21
counting inhibition
balance counter clearing
batching counter clearing
pulse input
COM
