Emerson iPro, Installation And Operation Manual

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vi • iPro Case Controller I&O Manual FM V1.01 026-1738 Rev 1
Calculation-Parameter CTM............................................................................................................................................................ 25
10.3.2. Superheat-Only Control Mode ....................................................................................................................... 25
10.3.2.1. Superheat Only-EEV Management................................................................................................................................ 25
10.3.2.2. Superheat Only Mode-Control Value Failure................................................................................................................. 26
10.3.3. Suction Control Mode .................................................................................................................................... 26
10.3.3.1. Suction Control Mode-PID ............................................................................................................................................. 26
10.3.3.2. Configuring Controllers for Suction Control Mode ....................................................................................................... 26
10.3.3.3. Suction Mode-Refrigeration Relay Control.................................................................................................................... 27
10.3.4. Superheat and Suction Control Mode ............................................................................................................ 27
10.3.4.1. Superheat and Suction Control

Mode-PID ........................................................................................................................................................................................ 28
10.3.4.2. Configuring Controllers for Superheat and Suction Mode ............................................................................................. 29
10.3.4.3. Superheat and Suction

Control-Refrigeration Relay ............................................................................................................................................................ 30
10.3.5. Defrost Control and Operation ...................................................................................................................... 30
10.3.5.1. Initiation of Defrost ........................................................................................................................................................ 30
10.3.5.2. Master/Slave Defrost of a Lineup ................................................................................................................................... 30
10.3.5.3. Defrost Operation of Relays and Valves ........................................................................................................................ 30
10.3.5.4. Defrost Termination........................................................................................................................................................ 30
10.3.5.5. Wait Mode ...................................................................................................................................................................... 31
10.3.5.6. Synchronization of Defrost Schedules............................................................................................................................ 31
10.3.5.7. Defrost Heater Current Monitoring ................................................................................................................................ 31
10.3.5.8. Defrost Heater Lockout................................................................................................................................................... 31
10.4. L
IGHTING
C
ONTROL
O
VERVIEW
............................................................................................................................... 33
10.5. F
AN
C
ONTROL
O
VERVIEW
........................................................................................................................................ 33
10.5.1. Fan Activation After Defrost Cycle................................................................................................................. 33
10.5.2. Fan Motor Current Monitoring....................................................................................................................... 34
10.5.3. System Enable/Disable.................................................................................................................................... 34
11 ELECTRONIC VALVES.......................................................................................................................................... 35
11.1. P
RESENCE AND
P
OSITION
......................................................................................................................................... 35
11.2. EEV
AND
EEPR C
ALIBRATION
P
ROCEDURE
............................................................................................................ 36
11.3. V
ALVE
C
ALIBRATION
F
ROM THE
V
ISOGRAPH
D
ISPLAY
........................................................................................... 36
12 THE BACNET NETWORK ..................................................................................................................................... 37
12.1. W
IRE
T
YPES
.............................................................................................................................................................. 37
12.2. D
AISY
C
HAIN
W
IRING
.............................................................................................................................................. 37
12.3. C
ONFIGURING
BAC
NET
S
ETTINGS
........................................................................................................................... 38
12.3.1. BACnet MAC Address and Device ID............................................................................................................. 38
12.3.2. Setting BACnet APDU Timeout and BACnet Max Master.............................................................................. 38
13 MODBUS NETWORKING-MASTER SLAVE LINEUP...................................................................................... 40
13.1. W
IRE
T
YPES
.............................................................................................................................................................. 40
13.1.1. Daisy Chain Wiring........................................................................................................................................ 40
13.1.2. Setting the MODBUS Address and Baud Rate................................................................................................ 40
13.1.3. Defining Slave Case Controllers Within the Master........................................................................................ 41
14 USING THE VISOGRAPH....................................................................................................................................... 43
14.1. V
IEWING
T
EMPERATURE
I
NPUT
S
TATUS
.................................................................................................................. 44
14.2. V
IEWING
V
ALVE
P
OSITIONS AND

S
UPERHEAT
D
ATA
............................................................................................................................................................... 44
14.3. E
NTERING THE
V
ISOGRAPH
M
AIN
M
ENU
................................................................................................................. 44
14.4. I/O C
ONFIGURATION
................................................................................................................................................. 45
14.4.1. Analog Inputs ................................................................................................................................................... 45
14.4.1.1. Analog Input Options...................................................................................................................................................... 46