User manual - METER SRT-457
Figure 4.4. Terminals description (relay outputs)
Figure 4.5. Terminals description (OC-type outputs)
All connections must be made while power supply is disconnected !
9
!
1
2
5 6
7 8 9
GND
DATA+
DATA-
RS - 485
3 4
+24V
±5%
I
max = 100mA
10 11
12 13 14 15 16
R1
(optional)
-
Uo
+
Power
supply
(depending on version)
n.c.
Pt100/500/1000
Pt100/500/1000
+
-
1
2
5 6
7 8 9
GND
DATA+
DATA-
RS - 485
3 4
10 11
12 13 14 15 16
(optional)
OC1
OC1:
U
max = 30V DC,
I
max = 30mA,
P
max = 100mW
+24V
±5%
I
max = 100mA
-
Uo
+
Power
supply
(depending on version)
n.c.
Pt100/500/1000
Pt100/500/1000
