2. Sierra
  3. 240/241 Series Modbus

Sierra 240/241 Series Modbus Quick Installation Guide

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This Quick Install Guide is applicable for InnovaMass
®
and InnovaFlo
®
models 240 and 241.
Connecting to a Modbus Network
Installation Steps
4-20
mA 3
AC
PWR
IN
4-20
mA 1
24
VDC
OUT
+ - +
4-20
mA 2
- + - +
RS485
RS485
RS485 GND
-
OPTION 2
+
ALARM
2
HOT
PULSE
OUT
NEUT
FREQ
OUT
+ - +
ALARM
1
-+ -
4
OPTION 1
1 2 3 15 2 3
ALARM
3
- + -
4 5
+
-
Holding Registers
Available with Energy Meter Firmware
Display Unit Strings
/