Vaisala HMD60 Series, Quick Manual

Page: 12 / 154

Inputs and Outputs
Table 1 HMD65 Inputs and Outputs
Property Specification
Analog output
• 1 x RH output
1)
, 0 … 10 V
• 1 x T output, 0 … 10 V
• Load resistance: 10 kΩ min.
Digital output (RS-485) Isolated, supports Modbus RTU and BACnet
MS/TP protocols
BACnet MS/TP Address range: 0 … 127 (master mode only)
Modbus RTU Address range: 1 … 247
Power supply input
Using a power supply with
overload protection is
recommended for electrical
safety.
15 … 35 VDC
16 … 24 VAC
Power consumption 1.0 W (typical, for both AC and DC)
Service port connector M8 4-pin male connector for MI70 hand-held
indicator (requires cable accessory 219980SP)
or Vaisala Insight PC software cable connection
(requires USB cable accessory 219690)
2)
Cable lead-throughs • M16 x 1.5 lead-through, options available from
Vaisala:
• Cable Gland M16x1.5 (Vaisala order code:
254280SP). This is the default option
delivered with the transmitter.
• Conduit Fitting M16x1.5, ½”NPT (Vaisala
order code: 210675SP)
• Alternative M20 x 1.5 lead-through
Screw terminal wire size
0.5 ... 2.5 mm
2
1) Available calculated parameters for HMD65 include T
d
, T
df
, A, X, T
w
, and H.
2) Vaisala Insight software for Windows available at www.vaisala.com/insight .
Do not modify the unit or use it in ways not described in the
documentation. Improper modification may lead to safety hazards, equipment
damage, failure to perform according to specification, or decreased equipment
lifetime.
CAUTION!
12 M212264EN-B