Jumo 202550 micro-processor indicator / controller Instruction manual

Wall-mounting

Housing extra code / 640

for Type 202550

B 20.2550.0.2

Operating Manual

12.04/00437427

2

Mounting and electrical connection

Dimensions

Mounting options

The housing is suitable both for wall-mounting ( I ) and mounting on a DIN rail ( II ) as per EN 50 022

(35 x 7.5 mm).

For mounting on a DIN rail, plastic brackets are supplied with the housing.

Note: Only use original parts (I / II) for mounting!

Mounting and electrical connection

Electrical connection

It is essential to observe the safety notes in the corresponding Operating

Manual B 20.2550.0.1, Chapter 7.1 “Electrical connection”.

Only unscrew the bottom cover of the housing.

If you remove the screws (2) you will endanger your rights under the instrument warranty!

✱ Only unscrew the bottom cover of the housing.

The electrical connection is made at the terminal strip located underneath.

(2) (2)

3

4

Mounting and electrical connection

Terminal designation

L1

N

TE

1

2

3

4

5

TE

6

7

TE

8

9

10

11

12

13

14

15

16

17

19

20

21

22

23

Terminal assignment

Outputs

Relay 1

(K1)

Status indication

LED K1

1

Terminal assignment

23 common

22 n.o. (make)

2 21

20 common n.o. (make)

Relay 2

(K2)

Status indication

LED K2

Relay 3

(K3)

Status indication

LED K3 or supply voltage for 2-wire transmitter or process value output

3 16

15

14

14

15

14

15

-

+

+

n.c. (break) common n.o. (make)

Logic output 1

(K4)

Status indication

LED K4

4 19

17

–

+

Symbol

23 22

P S

21 20

P S

16 15 14

Ö

P

14 15

S

-

14

+

15

+

17

-

19

+ -

Mounting and electrical connection

Outputs

Relay 4

(K5) no status indication or supply voltage for 2-wire transmitter or process value output

(electrically isolated)

5

1

2

2

3

2

1

Terminal assignment

3 n.c. (break) common n.o. (make)

-

+

+

-

Symbol

3 2 1

Ö

P

S

2 3

-

1

+

2

7

8

Terminal assignment

-

+

+ -

Symbol

8 7

Measurement inputs

Input for standard signal

Ix (0(4) — 20 mA)

Resistance thermometer in

3-wire circuit

Resistance thermometer in

2-wire circuit

9

10

11

9

10

11

9

+

11

-

10

J

Inputs/outputs

Serial interface RS422

(option)

RxD

TxD

Serial interface RS485

(option)

GND

GND

+

-

1

3

2

1

3

4

2

Terminal assignment

5 RxD + receive data

RxD –

TxD + transmit data

TxD –

GND

TxD/RxD +

TxD/RxD –

GND

Symbol

5 4 2 1 3

2 1 3

5

6

Inputs/outputs

Serial interface

Profibus-DP

(option)

Logic input 1

Logic input 2

Supply voltage see nameplate

Mounting and electrical connection

VP 4

RxD/TxD-P 2

Terminal assignment supply voltage, positive (P5V) receive/transmit data, positive, B conductor

RxD/TxD-N 1

DGND 3

13 receive/transmit data, negative,

A conductor ground for data transmission

19

Symbol

2 1 3 4

13 19

AC/

DC

12

19

AC:

L1

N

TE phase neutral technical earth

DC:

L +

L –

12 19

L1

L+

N

L-

TE

7