IMP PUMPS NMT Smart C - NMTC Module Layout and Connections

7
Analog signals (SET1, SET2, SET3)
Input voltage range
-1..32 VDC
When used as input.
Output voltage range
0..12 V
When used as output. 5 mA max. Load allowed per
output.
Input resistance
~100 kΩ
0.5 mA load is added for most configurations.
Output current sink
range
0..33 mA (4-20 mA)
Current sink to COM if configured as output.
Relay specifications
Connection type
Screwless terminals
Rating
- 230 VAC, 3 A, AC1
- 32 VDC, 3 A
Potential free changeover contact.
3. MODULE LAYOUT
2
1
3
4
5
6
7
8
9
0
NC
C
NO
RELAY ANALOG
A/D+
SET2 SET3 SET1
+24 V
0V
B/D-
0V
RS 485
ETHERNET
LED2 LED1
MODE
2
1
3
4
5
6
7
8
9
0
SET3/ FB
SET2 / MAX
COM / 0V
SET1 / RUN
A/D +
B/D -
NC
C
NO
LED2 / ACT
LED1 / LINK
ETHERNET
MODE
Terminal
Designation
Description
MODE
Mode selection rotary switch. Used to configure mode of operation for the circuit. See section
4.3 “Module mode selection”.
LED1 / LINK
Slowly blinking when module is powered.
Blinking fast when Modbus Error
Permanently lid when Ethernet link established.
Ethernet
10BASE-T RJ-45 connector.
LED2 / ACT
Indicates Ethernet activity or Modbus activity.
B/D-
RS-485 negative data signal for Modbus.
A/D+
RS-485 positive data signal for Modbus.
SET1 / RUN
Control signal 1.
COM / 0V
RS-485 common and analog input common (ground).
SET2 / MAX
Control signal 2.
SET3 / FB
Control signal 3.
NC
Normally closed relay contact. Opens when relay is active.
C
Relay common contact.
NO / OK
Normally open relay contact. Closes when relay is active.