789-622 Current Sensor with Bus Connection in DIN-Rail Mountable Enclosure

789-622 Current Sensor with Bus Connection in DIN-Rail Mountable Enclosure
789-622
Current Sensor with Bus Connection in DIN-Rail Mountable Enclosure
Measuring range: 0 ... 50 A rms AC eff.
Process Value
18205
0
50
I/A (AC)
Short description:
Intelligent DIN 35-rail mount current sensor
for monitoring AC currents.
Description
Item No.
Pack.
Unit
Technical Data
Current sensor with bus connection
789-622
1
Electrical data:
Measuring range
Voltage supply
Max. current consumption
Transmission error
Accessories
Description
Item No.
Accessories for data and auxiliary power supply
RJ-45 interface module
289-965
RJ-45 interface module with shield
(screen) clamping saddle
289-966
ETHERNET RJ-45 connector, IP20
750-975
Pack.
Unit
1
1
1
Approvals
Conformity marking
Standards/Specifications
1
DIN EN 50178; EN 61000-6-2 ;
EN 61000-6-4
General Specifications
Dimensions (mm) W x H x L
Ambient operating temperature
Storage temperature
WAGO Kontakttechnik GmbH & Co. KG
Subject to design changes
35 x 55 x 90
Height from upper-edge of DIN 35 rail
-20 °C ... +70 °C
-40 °C ... +85 °C
14.01.2015
Temperature coefficient
Time frame for polling by master
Hot plugging
Terminating resistor
Status indication
Mechanical data:
Power cable feed-through
Degree of protection
Communication:
Interface
Transmission channels
Protocols
Connector
Addressing
Max. length of bus line
Baud rate
Parity
Postfach 2880 - D-32385 Minden
Hansastr. 27 - D-32423 Minden
0 – 50 A AC eff.
12 – 34 V
≤ 8 mA at 24 V
typ. 1%, max. 3% of upper range value
(at room temperature)
≤ 0.01% /K
< 30 ms
possible
150 Ω (can be activated via DIP switch 1)
Green: Power
Red: Measured current > 55 A eff.
15 mm
IP20
RS-485
Half duplex, 8-bit data, 1 stop bit
MODBUS RTU slave over serial line
RJ-45
1 – 32
≤ 1200 m
19200 baud
Even
Tel.: +49(0)571/887-0
E-Mail: [email protected]
Fax: +49(0)571/887-169
www.wago.com
789-622
RJ-45-Connector Pin Assignment:
Pin
Function
1
Ub
2
3
n.c.
4
A (Data+)
5
B (Data-)
6
n.c.
7
GND
8
Communication Description:
MODBUS Function
Read Holding Registers (0x03)
Address of Measured Value
0x0004
Data Type Measurement
Integer
Error Numbers:
id
Description
01
Illegal Function
03
Illegal Data
101
Overflow (Current > +83 A)
102
Underflow (Current < -3 A)
▯ = ON
DIP Switch Adjustability
Adress
Terminating resistor
DIP Switch
2
3
4
5
6
1
150 Ohm
2
●
3
●
4
●
5
●
6
●
7
●
●
●
●
8
●
10
●
11
●
12
●
13
●
●
14
●
●
15
●
●
●
●
●
●
16
●
●
9
●
●
●
●
●
●
17
●
18
●
19
●
20
●
21
●
●
22
●
●
23
●
●
●
24
●
●
●
25
●
●
26
●
●
27
●
●
28
●
●
29
●
●
●
30
●
●
●
31
●
●
●
●
32
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
DIP Switch 1
NOTICE:
Only set the MODBUS address in the
OFF state.
●
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