I/O Interface Keying

There are two keys on the I/O terminal block and two keys on the I/O card. The keys on the I/O card are set at the factory; you can change the keys on the I/O terminal block to match the corresponding I/O card.

Table: Non-I.S. I/O Card Keying and Compatible I/O Terminal Blocks
I/O Card I/O Card Keying Recommended I/O Terminal Block Optional I/O Terminal Block
AI, 8-Channel, 4-20 mA A 1 I/O terminal block
  • Fused I/O terminal block
  • 4-wire I/O terminal block
  • 16-pin mass termination block (2-wire connection)
  • 24-pin mass termination block (4-wire connection)
  • AI, 8-Channel,4-20 mA, HART
  • Series 2 AI, 8-Channel,4-20 mA, HART (Simplex mode)
A 1 I/O terminal block
  • Fused I/O terminal block
  • 4-wire I/O terminal block
  • 16-pin mass termination block (2-wire connection)
  • 24-pin mass termination block (4-wire connection)
Series 2 AI, 8-Channel, 4-20 mA HART (Redundant mode) A 1 Redundant Analog Input terminal block
Series 2 AI, 16-Channel, 4-20 mA HART (Simplex mode) A2 16-Channel Analog Input terminal block 4-wire 16-Channel Analog Input Terminal Block
Series 2 Plus, AI, 16-Channel, 4-20 mA, HART (Simplex mode) A6 Simplex 2-Wire 16-Channel Analog Input terminal block
  • Simplex 4-Wire 16-Channel Analog Input terminal block
  • 48-pin AI Plus mass termination block
Series 2 Plus, AI, 16-Channel, 4-20 mA, HART (Redundant mode) A6 Redundant 16-Channel Analog Input terminal block Redundant Analog Input 48-Pin Mass Termination block
AI, 8-Channel, 1-5 VDC A3 4-wire I/O terminal block 24-pin mass termination block
AO, 8-Channel,4-20 mA A4 I/O terminal block
  • Fused I/O terminal block
  • 16-pin mass termination block
  • AO, 8-channel,4-20 mA, HART
  • Series 2 AO, 8-channel, 4-20 mA, HART (Simplex mode)
A4 I/O terminal block
  • Fused I/O terminal block
  • 16-pin mass termination block
Series 2 AO, 8-channel, 4-20 mA, HART (Redundant mode) A4 Redundant Analog Output terminal block
Series 2 Plus AO, 16-Channel, 4-20 mA, HART (Simplex mode) A5 Simplex 16-Channel Analog Output terminal block Analog Output 48-pin mass termination block
Series 2 Plus AO, 16-Channel, 4-20 mA, HART (Redundant mode) A5 Redundant 16-Channel Analog Output terminal block Redundant 48-pin AO Plus mass termination block
AS-Interface Series 2 AS-Interface (Simplex mode) D1 Interface terminal block
DeviceNet D5 Fieldbus H1 terminal block
  • DI, 8-Channel, 24 VDC, Isolated
  • Series 2 DI, 8-Channel, 24 VDC, Isolated (Simplex mode)
B2 I/O terminal block
  • Fused I/O terminal block
  • 16-pin mass termination block
  • DI, 8-Channel, 24 VDC, Dry Contact
  • Series 2 DI, 8-Channel, 24 VDC, Dry Contact (Simplex mode)
B1 Fused I/O terminal block
  • I/O terminal block
  • 16-pin mass termination block
Series 2 DI, 8-Channel, 24 VDC, Dry Contact (Redundant mode) B1 Redundant Discrete terminal block
  • DI, 8-Channel, 120 VAC, Isolated
  • Series 2 DI, 8-Channel, 120 VAC, Isolated
E4 I/O terminal block Fused I/O terminal block
  • DI, 8-Channel, 120 VAC, Dry Contact
  • Series 2 DI, 8-Channel, 120 VAC, Dry Contact (Simplex mode)
E1 Fused I/O terminal block I/O terminal block
DI, 8-Channel, 230 VAC, Isolated E5 I/O terminal block Fused I/O terminal block
DI, 8-Channel, 230 VAC, Dry Contact E2 Fused I/O terminal block I/O terminal block
  • DI, 32-channel, 24 VDC Dry Contact
  • Series 2 DI, 32-channel, 24 VDC Dry (Simplex mode)
B3 32-channel terminal block 40-pin mass termination block
Series 2 Plus DI, 32-Channel, 24 VDC, Dry Contact (Simplex mode) E3 Simplex 32-Channel DI Plus terminal block Simplex 40-pin DI Plus mass termination block
Series 2 Plus DI, 32-Channel, 24 VDC, Dry Contact (Redundant mode) E3 Redundant 32-Channel Discrete Input terminal block Redundant Discrete Input 40-Pin mass termination block
  • DO, 8-Channel, 120 VAC/230 VAC, Isolated
  • Series 2 DO, 8-Channel, 120 VAC/230 VAC, Isolated (Simplex mode)
F4 I/O terminal block Fused I/O terminal block
  • DO, 8-Channel, 120 VAC/230 VAC, High-Side
  • Series 2 DO, 8-Channel, 120 VAC/230 VAC, High-Side (Simplex mode)
F1 Fused I/O terminal block I/O terminal block
  • DO, 8-Channel, 24 VDC, Isolated
  • Series 2 DO, 8-Channel, 24 VDC, Isolated
B5 I/O terminal block
  • Fused I/O terminal block
  • 16-pin mass termination block
  • DO, 8-Channel, 24 VDC, High-Side
  • Series 2 DO, 8-Channel, 24 VDC, High-Side (Simplex mode)
B6 Fused I/O terminal block
  • I/O terminal block
  • 10-pin mass termination block
  • 16-pin mass termination block
Series 2 DO, 8-Channel, 24 VDC, High-Side (Redundant mode) B6 Redundant Discrete terminal block
  • DO, 32-Channel, 24 VDC High-Side
  • Series 2 DO, 32-Channel, 24 VDC High Side (Simplex mode)
B4 32-channel terminal block 40-pin mass termination block
Series 2 Plus DO, 32-Channel, 24 VDC High Side (Simplex mode) B4 Simplex 32-channel DO Plus terminal block 40-pin Discrete Output mass termination block
Series 2 Plus DO, 32-Channel, 24 VDC High Side (Redundant mode) B4 Redundant 32-Channel Discrete Output terminal block Redundant Discrete Output 40-Pin Mass termination block
Fieldbus H1 D6 Fieldbus H1 terminal block
Fieldbus H1 4-Port Series 2 Plus (Simplex mode) D2 Simplex H1 4-Port Terminal Block
Fieldbus H1 4-Port Series 2 Plus (Redundant mode) D2 Redundant H1 4-Port Terminal Block
Series 2 H1 (Simplex mode) D6 Series 2 H1 terminal block
Series 2 H1 (Redundant mode) D6 Redundant H1 terminal block
Series 2 Isolated Input (Simplex mode) C2 Isolated Input terminal block
Multifunction C6 32-channel terminal block
Profibus DP D3 Profibus DP terminal block
Series 2 Plus Profibus D3 Redundant Profibus DP terminal block
RTD, ohms C3 RTD, ohms terminal block
Sequence of Events C5 32-channel terminal block 40-pin mass termination block
  • Serial Card, 2 Ports, RS232/RS485
  • Series 2 Serial Card, 2 Ports, RS232/RS485 (Simplex mode)
D4 Interface terminal block
Series 2 Serial Card, 2 Ports, RS232/RS485 (Redundant mode) D4 Redundant Interface terminal block
Thermocouple, mV C1 Thermocouple, mV terminal block.
Note

When the Thermocouple, mV card is plugged into a Thermocouple terminal block, it functions as a Thermocouple card.

I/O terminal block
Note

When the Thermocouple, mV card is plugged into an I/O terminal block, it functions as an mV card.

Figure: I/O Key Setting Example