Pulsar DFM 6.1 - Modbus Communication

PULSAR MEASUREMENT
41
MODBUS® COMMUNICATION
MODBUS® serial interface connections are made at the RS485 card’s terminal block if your DFM 6.1 was ordered
with this card, or if one was added after installation. Card location:
SERIAL COMMUNICATION
AC
L N
NO
C
NC
NO
C
NC
–
+
4-20mA
RLY2
RLY1
AC
GND
NC C NO NC C NO NC C NO NC C NO
RLY3 RLY4 RLY5 RLY6
EXTRA RELAYS OPTION
POWER
INPUT
HEATER OPTION
RS-485
Output
+ G
SENSOR
GND
SENSOR
RCVR GND GND TMTR