User manual - DATA RECORDER SRD-99 and cooperating software
Depending on version:
85...
230
...260V AC/DC or
19...
24
...50V DC; 16...
24
...35V AC
Fig. 4.7. Connection of power supply
Fig. 4.8. Connection of RS-485 transmission signals
Fig. 4.9. Connection of digital input (depending on data recorder configuration)
15
9 10
24 V DC
recording enable
external switch
external
supply
digital
input
DIN-
DIN+
!
FUSE
1
2
L N
N
L
12 13
RS-485
D
A
T
A
-
G
N
D
-R
S
14
D
A
T
A
+
RS-232/485
interface
-
+