Watlow EZ-ZONE ® The RMA (Access) module is the functional extension core of the RM series controller, without independent PID control capability. It focuses on providing auxiliary functions such as multi protocol communication gateway, data recording, configuration backup, real-time clock, etc. It can be networked with RM modules such as RMC (controller), RME (extension), and RML (limit) to build a distributed control system with up to 17 modules (1 RMA+16 other RM modules), suitable for centralized monitoring and integration requirements of industrial heating, cooling, mixing and other processes.
Field meaning optional values
RM Product Series (Rail Mount)-
Type of Module A (Access)-
X connector type A=right angle terminal, F=front terminal
A3 communication protocol A2=Modbus RTU, A3=EtherNet/IP+Modbus TCP, A5=DeviceNet
Option B=RTC+battery, D=data recording+SD card
D Backup Capability A=Basic Backup (4 modules), B=Enhanced Backup (16 modules)
AAAA custom option 0000=standard, 12=Class 1 Div. 2
