WATLOW®EZ-ZONE®RMZ4 - 2- ETHERCAT® ADAPTER
1TABLE OF CONTENTS
1 Table of Contents ..................................................................................................................................2
2 Table of Figures .....................................................................................................................................4
3 Overview ...............................................................................................................................................5
4 Mounting and Dimensions ....................................................................................................................6
5 Connections and Wiring........................................................................................................................7
5.1 RMZ4 with up to 48 Control Loops ...........................................................................................7
5.2 RMZ4 with Optical Sensor Card.................................................................................................8
5.3 RMZ4 with Serial Communications Card and Bluetooth...........................................................9
5.4 RM System Connections..........................................................................................................11
5.5 Slot C Power Connection.........................................................................................................12
5.6 Earth Ground...........................................................................................................................13
5.7 EZ-ZONE ST and EZ-ZONE PM Wiring ......................................................................................14
5.8 EtherCAT® Wiring....................................................................................................................15
5.9 USB Wiring...............................................................................................................................15
5.10 Modbus® Wiring......................................................................................................................15
6 Theory of Operation............................................................................................................................17
7 Setting up the System .........................................................................................................................20
7.1 Steps to Implement.................................................................................................................20
7.2 EtherCAT® Master and ESI file ................................................................................................20
7.3 Master instructions .................................................................................................................20
7.4 Explicit Device Identification ...................................................................................................20
7.5 Mapping Loop to CoE Object Indexes .....................................................................................21
7.6 Configuring the RMZ4 .............................................................................................................22
7.7 Identifying the RMZ4 Itself......................................................................................................22
7.8 Setting Addresses on Connected Devices ...............................................................................22
7.9 Identifying Connected Devices................................................................................................22
7.10 Adding Slots.............................................................................................................................25
7.11 Mapping I/O to Loops (Slots) ..................................................................................................26
8 Using Controller Features ...................................................................................................................27
8.1 Sensor and Control Loop.........................................................................................................27
8.2 Optical Sensing........................................................................................................................32
8.3 Open Loop Detect ...................................................................................................................33
8.4 Digital Heat Control Outputs...................................................................................................34
8.5 Over-Temperature Limits........................................................................................................35
8.6 Current Sensing .......................................................................................................................37
8.7 Cooling Digital Outputs ...........................................................................................................38
8.8 Analog Heat Outputs...............................................................................................................39
8.9 Analog retransmit Outputs .....................................................................................................41
8.10 Alarm Outputs .........................................................................................................................42
8.11 Analog Cooling Outputs ..........................................................................................................44
8.12 Direct Digital Input ..................................................................................................................45
8.13 Direct Digital Output ...............................................................................................................46
8.14 Direct Analog Input .................................................................................................................47
