TIME MARK TMC430 - Specifications; MODBUS Communications Option; Holding Registers

Page 26 of 41
Rev: 2024-10-03
8. Specifications
• Unit weight: 15 oz. (with 35mm din kit installed)
• Installation environment: Cabinet (indoors, protected)
• Voltage requirement: 24 V.D.C. @ 200mA
• Operating Temperature: -20°C to +70°C
• Power Consumption: 170 mA (0.17 A) @ 24 V.D.C.
• Contact Rating: 10 A @ 240 V.A.C. resistive
• Contact Life: (relays)
o 10,000,000 operations (no load)
o 100,000 operations at rated load
• Case material: ABS plastic
• Termination: Removable terminal plugs
9. MODBUS Communications Option
The MODBUS operates over an RS-485 connection and allows multiple devices to
share a two-wire interface. The following are the registers accessible over
MODBUS.
9.1 Holding Registers
• Read: 0x03
• Write: 0x06
• Format: 4xxxx
Address
Description
R/W
Notes
0
Setpoint [0] (Alarm/Stop)
R/W
Implied Decimal Place (ex. 20 is 2.0)
1
Setpoint [1]
R/W
Implied Decimal Place (ex. 20 is 2.0)
2
Setpoint [2]
R/W
Implied Decimal Place (ex. 20 is 2.0)
3
Setpoint [3]
R/W
Implied Decimal Place (ex. 20 is 2.0)
4
Setpoint [4] (Stop/Alarm)
R/W
Implied Decimal Place (ex. 20 is 2.0)
5
AIZeroFt
R/W
Implied Decimal Place (ex. 20 is 2.0)
6
AIRangeFt
R/W
Implied Decimal Place (ex. 20 is 2.0)
7
AOZeroFt
R/W
Implied Decimal Place (ex. 20 is 2.0)
8
AORangeFt
R/W
Implied Decimal Place (ex. 20 is 2.0)
9
AIZeroCnts
R/W
Implied Decimal Place (ex. 20 is 2.0)
10
AIRangeCnts
R/W
Implied Decimal Place (ex. 20 is 2.0)
11
AOZeroCnts
R/W
Implied Decimal Place (ex. 20 is 2.0)