Metrohm 731 Relay Box - Manual (Page 29)

3.2 Inverting
731 Relay Box, Instructions for use 23
4 Technical specifications
Dimensions Width: 102 mm, height: 225 mm, depth: 191 mm
Weight 4.5 kg without accessories
Housing metal case, multiple stove-enamel
DC-Sockets Output voltage, adjustable 0, 5, 10, 18, 24 V
Max. load: 1 A each output
AC-Sockets Output voltage = supply voltage
Max. load:
5 A each output
Breaking capacity: 1150 VA (at 230 V) each output
Remote-Interface
Remote In D-Sub socket 25-pins
14 x Input 5V TTL or CMOS
active = low >100 ms
inactive = high
Remote Out D-Sub socket 25-pins
14 x Output open collector < 40V < 20mA
active = low >200 ms
inactive = high
Ambient temperature
Nominal
operating range
+5 ... +40 °C at 20 .. 80% atmospheric humidity
Storage, transport -40 ... +70 °C
Power supply
Voltage
Voltage selector 115/230V
Settings with other supply voltages:
100 V ... 120 V --> 115 V
220 V ... 240 V --> 230 V
Tolerance ±10%
Frequency 50 … 60 Hz
Power input 115 V max 1150 VA
230 V max 2300 VA
Fuses 10 AT for 115/ 230 V (main fuse)
5 AT for 115/ 230 V (AC fuses)