Contrec 515, Operation Manual

Page: 74 / 92

Communications
66 515 HC04 - 8 June 2007
Instrument Control and I/O
This block of registers is available in some applications to give access to
monitor and/or control some of the instrument.
Register Name Comments Read Only or
Read/Write Type
42 Reserved
43 Logic Inputs 0 to 15 Binary representation of logic inputs
B0 = 0/1 (LSB) input 1 activated/deactivated
B1 = 0/1 input 2 activated/deactivated
B2 = 0/1 input 3 activated/deactivated
B3 = 0/1 input 4 activated/deactivated
R I
44 Operation Mode Representation of operation mode
0 = Idle/Local Idle state
1 = HEAT Heating only, positive Dt
2 = COOL Cooling only, negative Dt
3 = BOTH Heating and cooling
R I
45 Relay State 0 to 15 Binary representation of relay state.
0 = open; 1 = closed.
B0 = relay 1 (LSB)
B1 = relay 2
B2 = relay 3
B3 = relay 4
R I
*
46 Relay Control 0 to 15 Binary representation of relay control.
0 = open; 1 = close.
B0 = relay 1 (LSB)
B1 = relay 2
B2 = relay 3
B3 = relay 4
R/W I
47 Relay Control
Source 0 to 15 Binary representation of relay control source.
0 = Local (controlled by instrument operation) 1 = RTU
(controlled by Modbus register 46).
B0 = relay 1 (LSB)
B1 = relay 2
B2 = relay 3
B3 = relay 4
R/W I
48 Reserved
51 to 99 Reserved
101 Analog Inp.1 Raw analog input data.
4-20mA inputs are read in Amperes.
0-5V or 1-5V inputs are read in Volts
RTD inputs are read in degrees Kelvin.
Unused inputs are configured as 4-20mA. R DT
†
103 Analog Inp.2 R DT
105 Analog Inp.3 R DT
107 Analog Inp.4 R DT
* I = Integer (2 bytes) (Holding Registers)
† DT = Data Type of 2-register (4 byte) values can be set as Floating Point or Long Integer values