Table of Contents
Advertisement
PRESYS
⏐ Instruments
INPUT 1
INPUT 2**
Frequency signals must be applied to terminals 2(+) and 3(-) for input 1 and to
terminals 5(+) and 6(-) for input 2 (only for DMY-2030-F).
Terminal 1 is a voltage source for the frequency sensor used in input 1, when it is
necessary to power the sensor. The voltage level is 24 Vdc referred to terminal 3.
Terminal 4 is the voltage source for the sensor in input 2, with 24Vdc referred to terminal
6. The voltage level may be changed under consult. Terminal 7 has no function in the
frequency instruments.
The inputs allow the connection of a 2-wire intrinsic safety NAMUR type sensor
directly to the terminals (+) and (-) without the need of an external resistor, which
requires the use of jumper JS1 for input 1 or JS2 for input 2 in the CPU Board. The
sensor power supply voltage level and the internal resistor value R
19234: 550-1100 W and 8.2V (7.7-9.0V).
Figure 5 shows the possible sensor connections to input 1. In order to connect a
sensor to input 2, use the terminals corresponding to those shown by the figure.
2.4 - Output Connection
In the most complete version, the Indicators can be provided with up to four
output signals: outputs 1 to 4. For DMY-2030-F, outputs 1 and 2 are used as
retransmitter or alarm outputs and outputs 3 and 4 are used only as alarm outputs, while
for DMY-2030-F Light output 2 is used only as alarm output.
In the case of outputs 1 (in both Indicators) and 2 (in DMY-2030-F) one can have
six different types of outputs: retransmitter (4 to 20mA, 0 to 5Vdc or 0 to 10Vdc), SPST
relay, open collector voltage and solid state relay.
For outputs 2 (in DMY-2030-F Light), 3 and 4 (in both Indicators), there are three
different types of outputs: SPDT relay, open collector voltage and solid-state relay.
Figure 6 shows the Indicator outputs.
+24Vdc*(frequency sensor power supply)
+24Vdc*
(*) Other values may be available under consult
(**) Only for DMY-2030-F
Fig. 4 - Input Connection Diagram
DMY-2030-F / DMY-2030-F Light
v
comply with DIN-
Installation
Page 7
Advertisement
Table of Contents
