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19 / 24

Connection diagrams

Motherboard

I/O extension module

Power supply card

1

2

3

4

5

6

7

8

9

10 11

12 13

14 15

16 17

18 19 20

24V 21 22 23 24

25 26

27 28

E3

IK

E6 EB3 EB4

A2

GW2 RS 4851)

AX1

AX2 EBX3

ABX3 RL

US3 US4

29

30

31

32 33

34

35 36 37 38 39

40 41

42 43

44 45 46

47 48 49

24V 50 51 52 53 54 55 56

E 2 E 5 I K EB1 EB2

A1

GW1 ENI

Ex2

IKX

EBX2

ABX2 RL

US1

US2

70 71

72 73

AB1

ERR

57 58

24V 74 75 76 77 78 79 80 81 82 83 84

59 60

external

65 66 67 68 69

IK

E4

24 V DC

61

62 63 64

E1

I K X E X 1 E B X 1 A B X 1 RL

1

2

PE 0 N

L1

Z - 17700 EN

Fig. 19-5 Connection diagram of field case / Control panel case

1) RS 485 as alternative to GW2: 16 = TxD/RxD-P, 17 = TxD/RxD-N, 18 = reference potential *) Ri = 200 ; communication with intelligent transmitters is only possible with non explosion-protected devices Note For units without I/O extension card, terminals 19-26, 47-54 and 75-84 are not occupied.

66

37

66

37

3 x Pt 100

65

2 x Pt 100

65

38

10

9

10

77

78

49

50

2 x Pt 100

1 x Pt 100

65

10

77

50

1 x Pt 100

I

K

En

En

En

I

KX

EX1

EX2

Z - 17699A

Motherboard

I/O extension card

Z - 17699B

55

56

27

28

US1

US2

US3

US4

E

En

Motherboard or I/O extension card

59 57

58 60

I

K

En/EX1

Z - 17699C

Resistance thermometer Pt 100 direct, intrinsically safe

Fig. 19-6 Terminal assignment (field case/control panel case) for resistance thermometer Pt 100 direct and for two-wire transmitter

19

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