Pin Assignment - SUTO S453 Instruction And Operation Manual

9.4.2 Pin Assignment

The S453 provides 2 connection options. The pin assignment of these
options are given in the following table.
Pin
Modbus/RTU
1 Earth
2 GND_SDI
3 +V
4 -V
5 SDI
6 D+
7
8 GND
9 +I
10
11 +I
12
13 Earth
14 +Pulse/Alarm
15 -Pulse/Alarm
16 DIR
17 DIR
22
Output options
Modbus/TCP
GND_SDI
B
B
D-
1
-I
1
2
-I
2
+Pulse/Alarm
-Pulse/Alarm
Earth
+V
B
-V
B
SDI Digital interface SUTO sensor
SPE_P
Modbus/RTU or Ethernet/APL
SPE_N
SPE_E
+I
1
-I
1
+I
2
-I
2
Earth
DIR
DIR
Remarks
24 VDC power supply
connection
4 ... 20 mA output 1
4 ... 20 mA output 2
Pulse / Alarm output
Flow Direction input
9 Installation
S453