MT334-I
Rev. 0.3 08/04/2022
14 - 22
Document classified as: 2 - Company Confidential
6.3
M-Power clamps
Main board
CLAMP.
DEN.
FUNCTION
M1
Vin+
Power Supply Input - Positive
Vin-
Power Supply Input - Negative
M2
RS485 A
RS485 EXPANSION LINE+
RS485 B
RS485 EXPANSION LINE-
M3
RS485 A
RS485 LINE+
RS485 B
RS485 LINE-
M4
LOW BATT +
Low battery Digital Output
–
Positive
LOW BATT -
Low battery Digital Output - Negative
M5
V MODEM+
Modem Power Supply Output - Positive
V MODEM-
Modem Power Supply Output - Negative
M6
V CPU+
CPU Power Supply Output - Positive
V CPU-
CPU Power Supply Output - Negative
Table 6: M-Power clamps
Namur inputs expansion
Figure 10:3 NAMUR inputs expansion
CLAMP.
DEN.
FUNCTION
M201
OUT1+
Transducer connection NAMUR 1 - positive
OUT1-
Transducer connection NAMUR 1 - negative
OUT2+
Transducer connection NAMUR 2 - positive
OUT2-
Transducer connection NAMUR 2 - negative
M202
IN1+
Repetition NAMUR 1
–
positive
IN1-
Repetition NAMUR 1
–
negative
IN2+
Repetition NAMUR 2
–
positive
IN2-
Repetition NAMUR 3 - negative
Figure 7: Clamps M-Power
Figure 8: Namur Expansion
