Oldham MX 32 - Page 56

52
MX 32v2
User Manual
Mechanical characteristics
Installation
■ Wall-mounted format. Indoors use only.
Dimensions (wxhxd)
■ 265 x 266 x 96 mm (10.4 x 10.5 x 3.8 inches)
Weight
■ 1,8 kg (3,97 Lbs)
Ingress Protection
■ IP55
Locking
■ 2 toggle latches (one can be locked)
Environmental characteristics
Temperature of use
-20 to +50°C, -4°F to +122°F (depending on power
consumption)
Storage temperature
-20 to +50°C, -4°F to +122°F
Humidity
5 to 95% relative humidity, non codensing
Pressure, Altitude
Atmospheric pressure +/-10%. 2000m max altitude.
Storage
1 year then risk of data loss and memory time loss
Standards
ATEX
Performance according to EN 60079-29-1:16
SIL
SIL 1 according to EN 50271:10 (pending)
Electromagnetic Compatibility
as per EN50270:15, industrial type 2
Low Voltage Directive
as per EN61010-1:10
CSA
CAN/CSA-C22.2 No. 0-10; CAN/CSA-C22.2 No.
61010-1-12; UL Std. No. 61010-1 (3rd Edition)
Measurement Lines
Digital lines
■ 2 maximum
■ RS485 Modbus, 9600 Bauds
■ 4 wire serial cable, 2 shielded twisted pairs (1 for
the line and 1 for communication)
Analog lines
■ 2 maximum
■ Input range 4 to 20 mA
■ Load resistance 120 Ohms
■ Analog transmitter cable 2 or 3 shielded wires
Wheatstone lines
■ 2 maximum
■ 3 shielded wire cable
Nominal voltage
22 to 28 V on external DC
Maximum load
■ 1.5A per line with external 24Vdc power supply
■ 1A total with internal AC power according to T
amb
below
Maximum power supply
output power (P
out-max
)
depending on ambient
temperature T
amb
(AC power supply only)
P
out-max
requires derating (in order to maintain a
constant internal temperature) with 0.7W/˚C above T
amb
= 30˚C when powered by internal AC/DC power supply
as following:
■ for T
amb
≤ +30˚C, P
out-max
= 32W
(1A external load for both lines)
■ for +30˚C ≤ T
amb
≤ +40˚C, P
out-max
= 32W to 25W
(max. 0.71A external load for both lines at +40°C)
■ for +40˚C ≤ T
amb
≤ +50˚C, P
out-max
= 25W to 18W
(max. 0.42A external load for both lines at +50°C)