User manual - METER SRP-94-XC
Figure 4.7. Terminals description (relay outputs, device with current output)
Figure 4.8. Terminals description (OC-type outputs)
Contacts of relay outputs are not equipped with spark suppressors. While use
the relay outputs for switching of inductive loads (coils, contactors, power
relays, electromagnets, motors etc.) it is required to use additional
suppression circuit (typically capacitor 47nF/ min. 250VAC in series with
100R/5W resistor), connected in parallel to relay terminals or (better) directly
on the load. In consequence of using the suppression circuit, the level of
generated electromagnetic disturbances is lower, and the life of relay contacts
rises.
11
!
Power
supply
(depending on version)
1
2
5 6 7 8 9
GND
DATA+
DATA-
RS - 485
+
Uo
-
+24V
+5%, -10%
I
max = 100mA
10 11 12 13 14 15
3 4
GND
0-150mV
+
GND
GND GND
- +
OC4
(optional)
OC1
OC2
- +
OC1 ÷ OC4:
U
max = 30V DC,
I
max = 30mA,
P
max = 100mW
+ -
OC3
(optional)
(optional)
(optional)
+ -
16
31
17
32
18
33
19
34
20
35
1
2
5 6 7 8 9
Power
supply
(depending on version)
10 11 12 13 14 15
3 4
RS - 485
+
Uo
-
DATA+
DATA-
GND
GND
GND
GND
0-150mV
16
31
17
32
18
33
19
34
20
35
GND
R1
ACTIVE
current output
-
+
(optional)
(optional) (optional)
R2
+24V
+5%, -10%
I
max = 100mA
(optional)
R3
+
Summary of Contents for SRP-94-XC
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