ABB TZIDC - Page 51

Ex relevant specifications
42/18-84-EN TZIDC, TZIDC-110, TZIDC-120 51
Optionally the following modules are allowed to be used:
In type of protection "Intrinsic Safety" (Ex ia IIC resp. Ex ib IIC)
only for the connection to a certified intrinsically safe circuit with
the following maximum values:
Plug-In module for digital
feedback
(Terminals +51 / -52 resp.
+41 / -42)
U
i
= 30 V
l
i
= 320 mA
P
i
= 500 mW
effective internal capacitance: C
i
= 3.7 nF
The effective internal inductance is negligibly small.
Plug-In module for analogue
feedback
(Terminals +31 / -32)
U
i
= 30 V
l
i
= 320 mA
P
i
= 1.1 W
effective internal capacitance: C
i
= 6.6 nF
The effective internal inductance is negligibly small.
Plug-In module for
shutdown-function
(Terminals +51 / -52 resp.
+85 / -86)
U
i
= 30 V
l
i
= 320 mA
P
i
= 1.1 W
effective internal capacitance: C
i
= 3.7 nF
The effective internal inductance is negligibly small.
IMPORTANT (NOTE)
• The intrinsically safe circuits are galvanically separated up to a voltage of 60 V. The local
communication interface (LKS) is connected with the signal circuit.
Electrical data for type TZIDC with marking Ex nA IIC T6
Signal circuit
(Terminals +11 / -12)
U = 9.7 VDC; 4 ... 20 mA, max. 21.5 mA
Switch input
(Terminals +81 / -82)
U = 12 ... 24 VDC; 4 mA
Switch output
(Terminals +83 / -84)
U = 11 VDC
Optionally the following modules are allowed to be used with type TZIDC
Plug-In module for digital
feedback
(Terminals +51 / -52 resp.
+41 / -42)
U = 5 ... 11 VDC
Plug-In module for analogue
feedback
(Terminals +31 / -32)
U = 10 ... 30 VDC; 4 ... 20 mA, max. 21.5 mA
Additionally the following modules are allowed to be used with all types marked
Ex nA IIC T6
Plug-In module for
shutdown-function
(Terminals +51 / -52 resp.
+85, -86)
U = 20 ... 30 VDC
Mechanical digital feedback
(Terminals Limit1 +51 / -52
resp. Limit2 +41 / -42)
U = 5 ... 11 VDC